[INFO] cloning repository https://github.com/BenjaminEckardt/metrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminEckardt/metrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b67938ab2eb0456347651d6a96f2911470bea5b
[INFO] testing BenjaminEckardt/metrix against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminEckardt%2Fmetrix" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenjaminEckardt/metrix on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BenjaminEckardt/metrix
[INFO] finished tweaking git repo https://github.com/BenjaminEckardt/metrix
[INFO] tweaked toml for git repo https://github.com/BenjaminEckardt/metrix written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/BenjaminEckardt/metrix 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[INFO] [stderr]   Downloaded crossbeam v0.2.10
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded globset v0.2.0
[INFO] [stderr]   Downloaded env_logger v0.4.3
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded ignore v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e8b788ba90ff0d66fe438cc15f42c56af964fa2e4ba2108f11d5abda05312e6
[INFO] running `Command { std: "docker" "start" "-a" "5e8b788ba90ff0d66fe438cc15f42c56af964fa2e4ba2108f11d5abda05312e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e8b788ba90ff0d66fe438cc15f42c56af964fa2e4ba2108f11d5abda05312e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8b788ba90ff0d66fe438cc15f42c56af964fa2e4ba2108f11d5abda05312e6", kill_on_drop: false }`
[INFO] [stdout] 5e8b788ba90ff0d66fe438cc15f42c56af964fa2e4ba2108f11d5abda05312e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a073b52e96e8153d341b0e321d026993b0ebf6b805ca3a923acad960d2eedd
[INFO] running `Command { std: "docker" "start" "-a" "28a073b52e96e8153d341b0e321d026993b0ebf6b805ca3a923acad960d2eedd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.31
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling encode_unicode v0.3.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling globset v0.2.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling ignore v0.2.2
[INFO] [stderr]    Compiling metrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "28a073b52e96e8153d341b0e321d026993b0ebf6b805ca3a923acad960d2eedd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a073b52e96e8153d341b0e321d026993b0ebf6b805ca3a923acad960d2eedd", kill_on_drop: false }`
[INFO] [stdout] 28a073b52e96e8153d341b0e321d026993b0ebf6b805ca3a923acad960d2eedd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61275f067bbe6ca40aa1b97f82ae6b71c080c14e55290d2273fb074395f3c6c
[INFO] running `Command { std: "docker" "start" "-a" "d61275f067bbe6ca40aa1b97f82ae6b71c080c14e55290d2273fb074395f3c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling metrix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d61275f067bbe6ca40aa1b97f82ae6b71c080c14e55290d2273fb074395f3c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61275f067bbe6ca40aa1b97f82ae6b71c080c14e55290d2273fb074395f3c6c", kill_on_drop: false }`
[INFO] [stdout] d61275f067bbe6ca40aa1b97f82ae6b71c080c14e55290d2273fb074395f3c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 505b509a435bd295cfe5730f1e0a9aa8ae3dd0998e220372bf3e65130841b6f2
[INFO] running `Command { std: "docker" "start" "-a" "505b509a435bd295cfe5730f1e0a9aa8ae3dd0998e220372bf3e65130841b6f2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/metrix-f27a7724625763ad)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test metrics::test::ignores_single_line_comments ... ok
[INFO] [stdout] test metrics::test::counts_lines ... ok
[INFO] [stdout] test metrics::test::ignores_empty_lines ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "505b509a435bd295cfe5730f1e0a9aa8ae3dd0998e220372bf3e65130841b6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505b509a435bd295cfe5730f1e0a9aa8ae3dd0998e220372bf3e65130841b6f2", kill_on_drop: false }`
[INFO] [stdout] 505b509a435bd295cfe5730f1e0a9aa8ae3dd0998e220372bf3e65130841b6f2