[INFO] fetching crate critcmp 0.1.7...
[INFO] testing critcmp-0.1.7 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate critcmp 0.1.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate critcmp 0.1.7 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate critcmp 0.1.7
[INFO] finished tweaking crates.io crate critcmp 0.1.7
[INFO] tweaked toml for crates.io crate critcmp 0.1.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate critcmp 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67939e9214f238d917ee4699243e6a536c879716e760d6f6aff98a7404576237
[INFO] running `Command { std: "docker" "start" "-a" "67939e9214f238d917ee4699243e6a536c879716e760d6f6aff98a7404576237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67939e9214f238d917ee4699243e6a536c879716e760d6f6aff98a7404576237", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67939e9214f238d917ee4699243e6a536c879716e760d6f6aff98a7404576237", kill_on_drop: false }`
[INFO] [stdout] 67939e9214f238d917ee4699243e6a536c879716e760d6f6aff98a7404576237
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60723956ea34b58b5037a33ea505c62e285e80163bd5ab90476c95fb26eeee7d
[INFO] running `Command { std: "docker" "start" "-a" "60723956ea34b58b5037a33ea505c62e285e80163bd5ab90476c95fb26eeee7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling grep-cli v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling critcmp v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             fail!("could not find any benchmark data");
[INFO] [stdout]     |             ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 | /             fail!(
[INFO] [stdout] 172 | |                 "pattern '{}' has no capturing groups, by grouping \
[INFO] [stdout] 173 | |                  benchmarks by a regex requires the use of at least \
[INFO] [stdout] 174 | |                  one capturing group",
[INFO] [stdout] 175 | |                 pattern
[INFO] [stdout] 176 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 | /             fail!(
[INFO] [stdout] 206 | |                 "\
[INFO] [stdout] 207 | |                  no criterion data exists at {}\n\
[INFO] [stdout] 208 | |                  set a different target directory with --target-dir or \
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                 crit_dir.display()
[INFO] [stdout] 212 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 | /                     fail!(
[INFO] [stdout] 241 | |                         "\
[INFO] [stdout] 242 | |                          could not find Criterion output directory\n\
[INFO] [stdout] 243 | |                          try using --target-dir or set CARGO_TARGET_DIR\
[INFO] [stdout] 244 | |                          "
[INFO] [stdout] 245 | |                     );
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 err!("{}: {}", parent.display(), err)
[INFO] [stdout]     |                 ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 err!("unknown path: {}", err)
[INFO] [stdout]     |                 ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             err!("{}: could not find parent dir", path.display())
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 err!("{}: could not find baseline name", path.display())
[INFO] [stdout]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             err!("{}: {}", name, err)
[INFO] [stdout]     |             ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             err!("{}: {}", path.display(), err)
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |             err!("{}: {}", name, err)
[INFO] [stdout]     |             ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             err!("{}: {}", path.display(), err)
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ($($tt:tt)*) => { return Err(err!($($tt)*)); }
[INFO] [stdout]    |                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 48 |             None => fail!("failed to find baseline '{}'", baseline),
[INFO] [stdout]    |                     ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:13:79
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]    |                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 48 |             None => fail!("failed to find baseline '{}'", baseline),
[INFO] [stdout]    |                     ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:13:79
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]    |                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         fail!("no benchmark comparisons to show");
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "60723956ea34b58b5037a33ea505c62e285e80163bd5ab90476c95fb26eeee7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60723956ea34b58b5037a33ea505c62e285e80163bd5ab90476c95fb26eeee7d", kill_on_drop: false }`
[INFO] [stdout] 60723956ea34b58b5037a33ea505c62e285e80163bd5ab90476c95fb26eeee7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0b1da170d17f90290eccde3161f99078e6cdf4f171d31c5ef8b8916c20351eb
[INFO] running `Command { std: "docker" "start" "-a" "f0b1da170d17f90290eccde3161f99078e6cdf4f171d31c5ef8b8916c20351eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling critcmp v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             fail!("could not find any benchmark data");
[INFO] [stdout]     |             ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 | /             fail!(
[INFO] [stdout] 172 | |                 "pattern '{}' has no capturing groups, by grouping \
[INFO] [stdout] 173 | |                  benchmarks by a regex requires the use of at least \
[INFO] [stdout] 174 | |                  one capturing group",
[INFO] [stdout] 175 | |                 pattern
[INFO] [stdout] 176 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:205:13
[INFO] [stdout]     |
[INFO] [stdout] 205 | /             fail!(
[INFO] [stdout] 206 | |                 "\
[INFO] [stdout] 207 | |                  no criterion data exists at {}\n\
[INFO] [stdout] 208 | |                  set a different target directory with --target-dir or \
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                 crit_dir.display()
[INFO] [stdout] 212 | |             );
[INFO] [stdout]     | |_____________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/app.rs:240:21
[INFO] [stdout]     |
[INFO] [stdout] 240 | /                     fail!(
[INFO] [stdout] 241 | |                         "\
[INFO] [stdout] 242 | |                          could not find Criterion output directory\n\
[INFO] [stdout] 243 | |                          try using --target-dir or set CARGO_TARGET_DIR\
[INFO] [stdout] 244 | |                          "
[INFO] [stdout] 245 | |                     );
[INFO] [stdout]     | |_____________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 err!("{}: {}", parent.display(), err)
[INFO] [stdout]     |                 ------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 err!("unknown path: {}", err)
[INFO] [stdout]     |                 ----------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |             err!("{}: could not find parent dir", path.display())
[INFO] [stdout]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 err!("{}: could not find baseline name", path.display())
[INFO] [stdout]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |             err!("{}: {}", name, err)
[INFO] [stdout]     |             ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |             err!("{}: {}", path.display(), err)
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:220:13
[INFO] [stdout]     |
[INFO] [stdout] 220 |             err!("{}: {}", name, err)
[INFO] [stdout]     |             ------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/main.rs:13:79
[INFO] [stdout]     |
[INFO] [stdout] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]     |                                                                               ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/data.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             err!("{}: {}", path.display(), err)
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stdout]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stdout]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:17:48
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ($($tt:tt)*) => { return Err(err!($($tt)*)); }
[INFO] [stdout]    |                                                ^
[INFO] [stdout] ...
[INFO] [stdout] 48 |             None => fail!("failed to find baseline '{}'", baseline),
[INFO] [stdout]    |                     ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:13:79
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]    |                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 48 |             None => fail!("failed to find baseline '{}'", baseline),
[INFO] [stdout]    |                     ----------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/main.rs:13:79
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stdout]    |                                                                               ^
[INFO] [stdout] ...
[INFO] [stdout] 64 |         fail!("no benchmark comparisons to show");
[INFO] [stdout]    |         ----------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/critcmp-f31c84b6aa553dfc)
[INFO] running `Command { std: "docker" "inspect" "f0b1da170d17f90290eccde3161f99078e6cdf4f171d31c5ef8b8916c20351eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b1da170d17f90290eccde3161f99078e6cdf4f171d31c5ef8b8916c20351eb", kill_on_drop: false }`
[INFO] [stdout] f0b1da170d17f90290eccde3161f99078e6cdf4f171d31c5ef8b8916c20351eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a8b519bc499e34f22a7448a21fcfe8c56f9698e076d37af85625e5682c84345
[INFO] running `Command { std: "docker" "start" "-a" "2a8b519bc499e34f22a7448a21fcfe8c56f9698e076d37af85625e5682c84345", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/app.rs:141:13
[INFO] [stderr]     |
[INFO] [stderr] 141 |             fail!("could not find any benchmark data");
[INFO] [stderr]     |             ------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/app.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 | /             fail!(
[INFO] [stderr] 172 | |                 "pattern '{}' has no capturing groups, by grouping \
[INFO] [stderr] 173 | |                  benchmarks by a regex requires the use of at least \
[INFO] [stderr] 174 | |                  one capturing group",
[INFO] [stderr] 175 | |                 pattern
[INFO] [stderr] 176 | |             );
[INFO] [stderr]     | |_____________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/app.rs:205:13
[INFO] [stderr]     |
[INFO] [stderr] 205 | /             fail!(
[INFO] [stderr] 206 | |                 "\
[INFO] [stderr] 207 | |                  no criterion data exists at {}\n\
[INFO] [stderr] 208 | |                  set a different target directory with --target-dir or \
[INFO] [stderr] ...   |
[INFO] [stderr] 211 | |                 crit_dir.display()
[INFO] [stderr] 212 | |             );
[INFO] [stderr]     | |_____________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |       ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/app.rs:240:21
[INFO] [stderr]     |
[INFO] [stderr] 240 | /                     fail!(
[INFO] [stderr] 241 | |                         "\
[INFO] [stderr] 242 | |                          could not find Criterion output directory\n\
[INFO] [stderr] 243 | |                          try using --target-dir or set CARGO_TARGET_DIR\
[INFO] [stderr] 244 | |                          "
[INFO] [stderr] 245 | |                     );
[INFO] [stderr]     | |_____________________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 err!("{}: {}", parent.display(), err)
[INFO] [stderr]     |                 ------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 err!("unknown path: {}", err)
[INFO] [stderr]     |                 ----------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 127 |             err!("{}: could not find parent dir", path.display())
[INFO] [stderr]     |             ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 err!("{}: could not find baseline name", path.display())
[INFO] [stderr]     |                 -------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             err!("{}: {}", name, err)
[INFO] [stderr]     |             ------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:214:13
[INFO] [stderr]     |
[INFO] [stderr] 214 |             err!("{}: {}", path.display(), err)
[INFO] [stderr]     |             ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |             err!("{}: {}", name, err)
[INFO] [stderr]     |             ------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/main.rs:13:79
[INFO] [stderr]     |
[INFO] [stderr] 13  |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]     |                                                                               ^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/data.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |             err!("{}: {}", path.display(), err)
[INFO] [stderr]     |             ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: macro invocations at the end of a block are treated as expressions
[INFO] [stderr]     = note: to ignore the value produced by the macro, add a semicolon after the invocation of `err`
[INFO] [stderr]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/main.rs:17:48
[INFO] [stderr]    |
[INFO] [stderr] 17 |     ($($tt:tt)*) => { return Err(err!($($tt)*)); }
[INFO] [stderr]    |                                                ^
[INFO] [stderr] ...
[INFO] [stderr] 48 |             None => fail!("failed to find baseline '{}'", baseline),
[INFO] [stderr]    |                     ----------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/main.rs:13:79
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]    |                                                                               ^
[INFO] [stderr] ...
[INFO] [stderr] 48 |             None => fail!("failed to find baseline '{}'", baseline),
[INFO] [stderr]    |                     ----------------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> src/main.rs:13:79
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ($($tt:tt)*) => { Box::<dyn (::std::error::Error)>::from(format!($($tt)*)); }
[INFO] [stderr]    |                                                                               ^
[INFO] [stderr] ...
[INFO] [stderr] 64 |         fail!("no benchmark comparisons to show");
[INFO] [stderr]    |         ----------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `critcmp` (bin "critcmp" test) generated 15 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/critcmp-f31c84b6aa553dfc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2a8b519bc499e34f22a7448a21fcfe8c56f9698e076d37af85625e5682c84345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a8b519bc499e34f22a7448a21fcfe8c56f9698e076d37af85625e5682c84345", kill_on_drop: false }`
[INFO] [stdout] 2a8b519bc499e34f22a7448a21fcfe8c56f9698e076d37af85625e5682c84345