[INFO] cloning repository https://github.com/samsonjj/log
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samsonjj/log" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsonjj%2Flog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsonjj%2Flog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a31ad929516e1521633dcc13c8506b6f2e1989fa
[INFO] testing samsonjj/log against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamsonjj%2Flog" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samsonjj/log on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samsonjj/log
[INFO] finished tweaking git repo https://github.com/samsonjj/log
[INFO] tweaked toml for git repo https://github.com/samsonjj/log written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/samsonjj/log already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26638fb573f94c9e4dd6d30533351966bb6a8c2e38ba2474c4e0c8887e50b33d
[INFO] running `Command { std: "docker" "start" "-a" "26638fb573f94c9e4dd6d30533351966bb6a8c2e38ba2474c4e0c8887e50b33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26638fb573f94c9e4dd6d30533351966bb6a8c2e38ba2474c4e0c8887e50b33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26638fb573f94c9e4dd6d30533351966bb6a8c2e38ba2474c4e0c8887e50b33d", kill_on_drop: false }`
[INFO] [stdout] 26638fb573f94c9e4dd6d30533351966bb6a8c2e38ba2474c4e0c8887e50b33d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae88cc2fbd221fb4529cd6f46608b0edbf56eb26549307db0b7c25765dd8f341
[INFO] running `Command { std: "docker" "start" "-a" "ae88cc2fbd221fb4529cd6f46608b0edbf56eb26549307db0b7c25765dd8f341", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "ae88cc2fbd221fb4529cd6f46608b0edbf56eb26549307db0b7c25765dd8f341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae88cc2fbd221fb4529cd6f46608b0edbf56eb26549307db0b7c25765dd8f341", kill_on_drop: false }`
[INFO] [stdout] ae88cc2fbd221fb4529cd6f46608b0edbf56eb26549307db0b7c25765dd8f341
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1986fc8d8f296e29cdd23fa8b42d30e8a9735d253d2941e4ec7ad7bd583982
[INFO] running `Command { std: "docker" "start" "-a" "7b1986fc8d8f296e29cdd23fa8b42d30e8a9735d253d2941e4ec7ad7bd583982", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufReader`, `ErrorKind`, `Error`
[INFO] [stdout]   --> src/lib.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{BufRead, BufReader, Error, ErrorKind, Read, Result, Write};
[INFO] [stdout]    |                            ^^^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7b1986fc8d8f296e29cdd23fa8b42d30e8a9735d253d2941e4ec7ad7bd583982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1986fc8d8f296e29cdd23fa8b42d30e8a9735d253d2941e4ec7ad7bd583982", kill_on_drop: false }`
[INFO] [stdout] 7b1986fc8d8f296e29cdd23fa8b42d30e8a9735d253d2941e4ec7ad7bd583982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2ff7c57ffed511f954cc4230e98fd903bde754e40a90ea368d14d7af0d1beb1
[INFO] running `Command { std: "docker" "start" "-a" "c2ff7c57ffed511f954cc4230e98fd903bde754e40a90ea368d14d7af0d1beb1", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BufReader`, `ErrorKind`, `Error`
[INFO] [stderr]   --> src/lib.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{BufRead, BufReader, Error, ErrorKind, Read, Result, Write};
[INFO] [stderr]    |                            ^^^^^^^^^  ^^^^^  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `log` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log-75ad8bd218b5e702)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::info ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log-f63abd854f61322d)
[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] [stderr]    Doc-tests log
[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" "c2ff7c57ffed511f954cc4230e98fd903bde754e40a90ea368d14d7af0d1beb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ff7c57ffed511f954cc4230e98fd903bde754e40a90ea368d14d7af0d1beb1", kill_on_drop: false }`
[INFO] [stdout] c2ff7c57ffed511f954cc4230e98fd903bde754e40a90ea368d14d7af0d1beb1