[INFO] fetching crate cargo-benchcmp 0.4.3...
[INFO] building cargo-benchcmp-0.4.3 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate cargo-benchcmp 0.4.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cargo-benchcmp 0.4.3 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-benchcmp 0.4.3
[INFO] finished tweaking crates.io crate cargo-benchcmp 0.4.3
[INFO] tweaked toml for crates.io crate cargo-benchcmp 0.4.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cargo-benchcmp 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b3fc02b592414be769dc66e4a79d7e7c0d2f2593b04220b4ea24c78b2f90bd9d
[INFO] running `Command { std: "docker" "start" "-a" "b3fc02b592414be769dc66e4a79d7e7c0d2f2593b04220b4ea24c78b2f90bd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3fc02b592414be769dc66e4a79d7e7c0d2f2593b04220b4ea24c78b2f90bd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fc02b592414be769dc66e4a79d7e7c0d2f2593b04220b4ea24c78b2f90bd9d", kill_on_drop: false }`
[INFO] [stdout] b3fc02b592414be769dc66e4a79d7e7c0d2f2593b04220b4ea24c78b2f90bd9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09779c8f95d2931c2f7c47e2ad304ef25072074d17794ff0ecb8c0e019e89041
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09779c8f95d2931c2f7c47e2ad304ef25072074d17794ff0ecb8c0e019e89041", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling cargo-benchcmp v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let benches = try!(self.parse_benchmarks()).paired();
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:138:36
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     When::Never => try!(output.print(&mut io::stdout())),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:207:31
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 let benches = try!(Args::parse_buffer(stdin_lock));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let b_old = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_old)))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:220:64
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let b_old = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_old)))));
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let b_new = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_new)))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:221:64
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let b_new = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_new)))));
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:231:23
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let benches = try!(Args::parse_buffer(io::BufReader::new(try!(File::open(file)))));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:231:66
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let benches = try!(Args::parse_buffer(io::BufReader::new(try!(File::open(file)))));
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:240:32
[INFO] [stdout]     |
[INFO] [stdout] 240 |             if let Ok(bench) = try!(result).parse() {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:21:42
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Error::Regex(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:22:39
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Error::OpenFile { ref err, .. } => err.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.13s
[INFO] running `Command { std: "docker" "inspect" "09779c8f95d2931c2f7c47e2ad304ef25072074d17794ff0ecb8c0e019e89041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09779c8f95d2931c2f7c47e2ad304ef25072074d17794ff0ecb8c0e019e89041", kill_on_drop: false }`
[INFO] [stdout] 09779c8f95d2931c2f7c47e2ad304ef25072074d17794ff0ecb8c0e019e89041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 985e44e294e6db6cea7e9c1fe74f82130862586b29e212b2c883bc02193f8e7a
[INFO] running `Command { std: "docker" "start" "-a" "985e44e294e6db6cea7e9c1fe74f82130862586b29e212b2c883bc02193f8e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let benches = try!(self.parse_benchmarks()).paired();
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:138:36
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     When::Never => try!(output.print(&mut io::stdout())),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:207:31
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 let benches = try!(Args::parse_buffer(stdin_lock));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let b_old = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_old)))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:220:64
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let b_old = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_old)))));
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let b_new = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_new)))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:221:64
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let b_new = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_new)))));
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:231:23
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let benches = try!(Args::parse_buffer(io::BufReader::new(try!(File::open(file)))));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:231:66
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let benches = try!(Args::parse_buffer(io::BufReader::new(try!(File::open(file)))));
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:240:32
[INFO] [stdout]     |
[INFO] [stdout] 240 |             if let Ok(bench) = try!(result).parse() {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:21:42
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Error::Regex(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:22:39
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Error::OpenFile { ref err, .. } => err.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling cargo-benchcmp v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:27:32
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:102:23
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let benches = try!(self.parse_benchmarks()).paired();
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:138:36
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     When::Never => try!(output.print(&mut io::stdout())),
[INFO] [stdout]     |                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:207:31
[INFO] [stdout]     |
[INFO] [stdout] 207 |                 let benches = try!(Args::parse_buffer(stdin_lock));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:220:21
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let b_old = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_old)))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:220:64
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let b_old = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_old)))));
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:221:21
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let b_new = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_new)))));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:221:64
[INFO] [stdout]     |
[INFO] [stdout] 221 |         let b_new = try!(Args::parse_buffer(io::BufReader::new(try!(open_file(&self.arg_new)))));
[INFO] [stdout]     |                                                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:231:23
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let benches = try!(Args::parse_buffer(io::BufReader::new(try!(File::open(file)))));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:231:66
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let benches = try!(Args::parse_buffer(io::BufReader::new(try!(File::open(file)))));
[INFO] [stdout]     |                                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:240:32
[INFO] [stdout]     |
[INFO] [stdout] 240 |             if let Ok(bench) = try!(result).parse() {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration.rs:107:35
[INFO] [stdout]     |
[INFO] [stdout] 107 |           assert!(status.success(), format!(
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 108 | |             "expected command to succeed, but it failed.\nexit code: {}\nstdout: {}\nstderr:{}\n",
[INFO] [stdout] 109 | |             status.code().unwrap(),
[INFO] [stdout] 110 | |             self.stdout,
[INFO] [stdout] 111 | |             self.stderr,
[INFO] [stdout] 112 | |         ));
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 107 |         assert!(status.success(), 
[INFO] [stdout] 108 |             "expected command to succeed, but it failed.\nexit code: {}\nstdout: {}\nstderr:{}\n",
[INFO] [stdout] 109 |             status.code().unwrap(),
[INFO] [stdout] 110 |             self.stdout,
[INFO] [stdout] 111 |             self.stderr,
[INFO] [stdout] 112 |         );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration.rs:118:41
[INFO] [stdout]     |
[INFO] [stdout] 118 |         assert!(self.stdout.is_empty(), format!("expected no stdout, got {}", self.stdout));
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 118 |         assert!(self.stdout.is_empty(), "expected no stdout, got {}", self.stdout);
[INFO] [stdout]     |                                        --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/integration.rs:124:41
[INFO] [stdout]     |
[INFO] [stdout] 124 |         assert!(self.stderr.is_empty(), format!("expected no stderr, got {}", self.stderr));
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 124 |         assert!(self.stderr.is_empty(), "expected no stderr, got {}", self.stderr);
[INFO] [stdout]     |                                        --                                       --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:21:42
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Error::Regex(ref err) => err.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:22:39
[INFO] [stdout]    |
[INFO] [stdout] 22 |             Error::Io(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:23:52
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Error::OpenFile { ref err, .. } => err.description(),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.39s
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "985e44e294e6db6cea7e9c1fe74f82130862586b29e212b2c883bc02193f8e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985e44e294e6db6cea7e9c1fe74f82130862586b29e212b2c883bc02193f8e7a", kill_on_drop: false }`
[INFO] [stdout] 985e44e294e6db6cea7e9c1fe74f82130862586b29e212b2c883bc02193f8e7a
