[INFO] cloning repository https://github.com/centip3de/MP3-Parser
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/centip3de/MP3-Parser" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcentip3de%2FMP3-Parser", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcentip3de%2FMP3-Parser'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71d8017fa595aee44448d1d1c8cf38761f809ea4
[INFO] testing centip3de/MP3-Parser against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcentip3de%2FMP3-Parser" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/centip3de/MP3-Parser on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/centip3de/MP3-Parser
[INFO] finished tweaking git repo https://github.com/centip3de/MP3-Parser
[INFO] tweaked toml for git repo https://github.com/centip3de/MP3-Parser written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/centip3de/MP3-Parser already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f20f397b001180bdf418b0a1c408ff275e0fe9270fb30bdc54182896d5a408a
[INFO] running `Command { std: "docker" "start" "-a" "5f20f397b001180bdf418b0a1c408ff275e0fe9270fb30bdc54182896d5a408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f20f397b001180bdf418b0a1c408ff275e0fe9270fb30bdc54182896d5a408a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f20f397b001180bdf418b0a1c408ff275e0fe9270fb30bdc54182896d5a408a", kill_on_drop: false }`
[INFO] [stdout] 5f20f397b001180bdf418b0a1c408ff275e0fe9270fb30bdc54182896d5a408a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4322ed0d032ccc5f80eb1add79a745668ff6bdaec3870d757fa8e77c7ecfe16d
[INFO] running `Command { std: "docker" "start" "-a" "4322ed0d032ccc5f80eb1add79a745668ff6bdaec3870d757fa8e77c7ecfe16d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mp3_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     try!(f.read_exact(&mut buffer));
[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:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut f = try!(File::open(filename));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.90s
[INFO] running `Command { std: "docker" "inspect" "4322ed0d032ccc5f80eb1add79a745668ff6bdaec3870d757fa8e77c7ecfe16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4322ed0d032ccc5f80eb1add79a745668ff6bdaec3870d757fa8e77c7ecfe16d", kill_on_drop: false }`
[INFO] [stdout] 4322ed0d032ccc5f80eb1add79a745668ff6bdaec3870d757fa8e77c7ecfe16d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea21d2c14d621feb783e9fb8904485d5d0c53660c22ba520a0d31559c47406cf
[INFO] running `Command { std: "docker" "start" "-a" "ea21d2c14d621feb783e9fb8904485d5d0c53660c22ba520a0d31559c47406cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mp3_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     try!(f.read_exact(&mut buffer));
[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:130:17
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut f = try!(File::open(filename));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ea21d2c14d621feb783e9fb8904485d5d0c53660c22ba520a0d31559c47406cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea21d2c14d621feb783e9fb8904485d5d0c53660c22ba520a0d31559c47406cf", kill_on_drop: false }`
[INFO] [stdout] ea21d2c14d621feb783e9fb8904485d5d0c53660c22ba520a0d31559c47406cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 937a353c5a4fd8e84eb9fadc11b49ca433958a1bd5c6bce393b154769ca02e78
[INFO] running `Command { std: "docker" "start" "-a" "937a353c5a4fd8e84eb9fadc11b49ca433958a1bd5c6bce393b154769ca02e78", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     try!(f.read_exact(&mut buffer));
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:130:17
[INFO] [stderr]     |
[INFO] [stderr] 130 |     let mut f = try!(File::open(filename));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mp3_parser` (bin "mp3_parser" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mp3_parser-e39fd6068b9264b6)
[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" "937a353c5a4fd8e84eb9fadc11b49ca433958a1bd5c6bce393b154769ca02e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937a353c5a4fd8e84eb9fadc11b49ca433958a1bd5c6bce393b154769ca02e78", kill_on_drop: false }`
[INFO] [stdout] 937a353c5a4fd8e84eb9fadc11b49ca433958a1bd5c6bce393b154769ca02e78