[INFO] fetching crate itoa 0.4.8...
[INFO] testing itoa-0.4.8 against 1.55.0 for beta-1.56-1
[INFO] extracting crate itoa 0.4.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate itoa 0.4.8 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 crates.io crate itoa 0.4.8
[INFO] finished tweaking crates.io crate itoa 0.4.8
[INFO] tweaked toml for crates.io crate itoa 0.4.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f871f0e7856f493b332bc35b7691b5bbb4fb277c9b957ae079dd70a88d44a984
[INFO] running `Command { std: "docker" "start" "-a" "f871f0e7856f493b332bc35b7691b5bbb4fb277c9b957ae079dd70a88d44a984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f871f0e7856f493b332bc35b7691b5bbb4fb277c9b957ae079dd70a88d44a984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f871f0e7856f493b332bc35b7691b5bbb4fb277c9b957ae079dd70a88d44a984", kill_on_drop: false }`
[INFO] [stdout] f871f0e7856f493b332bc35b7691b5bbb4fb277c9b957ae079dd70a88d44a984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] dfe3af5535323e9f3552f347293e5ee7476f1e093ba8ed06c387fe6403717e5d
[INFO] running `Command { std: "docker" "start" "-a" "dfe3af5535323e9f3552f347293e5ee7476f1e093ba8ed06c387fe6403717e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "dfe3af5535323e9f3552f347293e5ee7476f1e093ba8ed06c387fe6403717e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe3af5535323e9f3552f347293e5ee7476f1e093ba8ed06c387fe6403717e5d", kill_on_drop: false }`
[INFO] [stdout] dfe3af5535323e9f3552f347293e5ee7476f1e093ba8ed06c387fe6403717e5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 10198c49125c4fcb7026e562e864801ce803127c9d505b7da871b75d2db18437
[INFO] running `Command { std: "docker" "start" "-a" "10198c49125c4fcb7026e562e864801ce803127c9d505b7da871b75d2db18437", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "10198c49125c4fcb7026e562e864801ce803127c9d505b7da871b75d2db18437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10198c49125c4fcb7026e562e864801ce803127c9d505b7da871b75d2db18437", kill_on_drop: false }`
[INFO] [stdout] 10198c49125c4fcb7026e562e864801ce803127c9d505b7da871b75d2db18437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] c64bfe241bc6d543847a9a5c59c81074fb24a3639789116b69f0fab9db61ceb3
[INFO] running `Command { std: "docker" "start" "-a" "c64bfe241bc6d543847a9a5c59c81074fb24a3639789116b69f0fab9db61ceb3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/itoa-3255f9e170360fe7)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-ec846de038800d09)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests itoa
[INFO] [stdout] test test_i16_0 ... ok
[INFO] [stdout] test test_i16_min ... ok
[INFO] [stdout] test test_u64_0 ... ok
[INFO] [stdout] test test_u64_half ... ok
[INFO] [stdout] test test_u64_max ... ok
[INFO] [stdout] test test_i64_min ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - Buffer (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c64bfe241bc6d543847a9a5c59c81074fb24a3639789116b69f0fab9db61ceb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64bfe241bc6d543847a9a5c59c81074fb24a3639789116b69f0fab9db61ceb3", kill_on_drop: false }`
[INFO] [stdout] c64bfe241bc6d543847a9a5c59c81074fb24a3639789116b69f0fab9db61ceb3