[INFO] fetching crate critcmp 0.1.8...
[INFO] testing critcmp-0.1.8 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate critcmp 0.1.8 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate critcmp 0.1.8
[INFO] finished tweaking crates.io crate critcmp 0.1.8
[INFO] tweaked toml for crates.io crate critcmp 0.1.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate critcmp 0.1.8 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate critcmp 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grep-cli v0.1.8
[INFO] [stderr]   Downloaded globset v0.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7497f559dd8fca4fd48c89b4e48e95e64f7b82eb3780a9b5327c32bad57fa9e0
[INFO] running `Command { std: "docker" "start" "-a" "7497f559dd8fca4fd48c89b4e48e95e64f7b82eb3780a9b5327c32bad57fa9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7497f559dd8fca4fd48c89b4e48e95e64f7b82eb3780a9b5327c32bad57fa9e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7497f559dd8fca4fd48c89b4e48e95e64f7b82eb3780a9b5327c32bad57fa9e0", kill_on_drop: false }`
[INFO] [stdout] 7497f559dd8fca4fd48c89b4e48e95e64f7b82eb3780a9b5327c32bad57fa9e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ba0dbbf58ac8bdf63012e8920b390972bb1bb95975dad6bf674e57435aa755e
[INFO] running `Command { std: "docker" "start" "-a" "2ba0dbbf58ac8bdf63012e8920b390972bb1bb95975dad6bf674e57435aa755e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling bstr v1.6.0
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling globset v0.4.11
[INFO] [stderr]    Compiling grep-cli v0.1.8
[INFO] [stderr]    Compiling critcmp v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:13:33
[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]    = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:13:33
[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]    = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.62s
[INFO] running `Command { std: "docker" "inspect" "2ba0dbbf58ac8bdf63012e8920b390972bb1bb95975dad6bf674e57435aa755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba0dbbf58ac8bdf63012e8920b390972bb1bb95975dad6bf674e57435aa755e", kill_on_drop: false }`
[INFO] [stdout] 2ba0dbbf58ac8bdf63012e8920b390972bb1bb95975dad6bf674e57435aa755e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b898264c7a83cc129d033f16c8e7b0651488c62df6b41e4db5363fdfc17780a3
[INFO] running `Command { std: "docker" "start" "-a" "b898264c7a83cc129d033f16c8e7b0651488c62df6b41e4db5363fdfc17780a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling critcmp v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]    --> src/main.rs:13:33
[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]     = 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: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:13:33
[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]    = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:13:33
[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]    = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "b898264c7a83cc129d033f16c8e7b0651488c62df6b41e4db5363fdfc17780a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b898264c7a83cc129d033f16c8e7b0651488c62df6b41e4db5363fdfc17780a3", kill_on_drop: false }`
[INFO] [stdout] b898264c7a83cc129d033f16c8e7b0651488c62df6b41e4db5363fdfc17780a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bad5057993ee4cd0b79c64ef7cefff989f8848a1f13e1cbc31f4e595759924e
[INFO] running `Command { std: "docker" "start" "-a" "4bad5057993ee4cd0b79c64ef7cefff989f8848a1f13e1cbc31f4e595759924e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:13:33
[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]     = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:13:33
[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]    = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:13:33
[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]    = note: this warning originates in the macro `err` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `critcmp` (bin "critcmp" test) generated 14 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/critcmp-4db7cc3ed967c734)
[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" "4bad5057993ee4cd0b79c64ef7cefff989f8848a1f13e1cbc31f4e595759924e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bad5057993ee4cd0b79c64ef7cefff989f8848a1f13e1cbc31f4e595759924e", kill_on_drop: false }`
[INFO] [stdout] 4bad5057993ee4cd0b79c64ef7cefff989f8848a1f13e1cbc31f4e595759924e