[INFO] fetching crate integer-sqrt 0.1.5...
[INFO] testing integer-sqrt-0.1.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate integer-sqrt 0.1.5 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate integer-sqrt 0.1.5 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 integer-sqrt 0.1.5
[INFO] finished tweaking crates.io crate integer-sqrt 0.1.5
[INFO] tweaked toml for crates.io crate integer-sqrt 0.1.5 written to /workspace/builds/worker-63/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 6e08d2e58bab66fdbd3694e37e168e72d1297bab050e91ff8d26639a2e943cdd
[INFO] running `Command { std: "docker" "start" "-a" "6e08d2e58bab66fdbd3694e37e168e72d1297bab050e91ff8d26639a2e943cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e08d2e58bab66fdbd3694e37e168e72d1297bab050e91ff8d26639a2e943cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e08d2e58bab66fdbd3694e37e168e72d1297bab050e91ff8d26639a2e943cdd", kill_on_drop: false }`
[INFO] [stdout] 6e08d2e58bab66fdbd3694e37e168e72d1297bab050e91ff8d26639a2e943cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 8cdb714de1f81250228b12716b5d4a6a2f96d7224221c348f5362b7e7e30e133
[INFO] running `Command { std: "docker" "start" "-a" "8cdb714de1f81250228b12716b5d4a6a2f96d7224221c348f5362b7e7e30e133", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-sqrt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "8cdb714de1f81250228b12716b5d4a6a2f96d7224221c348f5362b7e7e30e133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdb714de1f81250228b12716b5d4a6a2f96d7224221c348f5362b7e7e30e133", kill_on_drop: false }`
[INFO] [stdout] 8cdb714de1f81250228b12716b5d4a6a2f96d7224221c348f5362b7e7e30e133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 08b901ca28af25d31724f3049b002f18c40b385b7835f11e86c681fbcbe1df3d
[INFO] running `Command { std: "docker" "start" "-a" "08b901ca28af25d31724f3049b002f18c40b385b7835f11e86c681fbcbe1df3d", 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] [stderr]    Compiling integer-sqrt v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "08b901ca28af25d31724f3049b002f18c40b385b7835f11e86c681fbcbe1df3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08b901ca28af25d31724f3049b002f18c40b385b7835f11e86c681fbcbe1df3d", kill_on_drop: false }`
[INFO] [stdout] 08b901ca28af25d31724f3049b002f18c40b385b7835f11e86c681fbcbe1df3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] cca01af0a51ebdd7cc25ed0f5d20aa16039f02ed61fa839a15f7c08f70217268
[INFO] running `Command { std: "docker" "start" "-a" "cca01af0a51ebdd7cc25ed0f5d20aa16039f02ed61fa839a15f7c08f70217268", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/integer_sqrt-02fd979afd2103a1)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::i128_test ... ok
[INFO] [stdout] test tests::i16_test ... ok
[INFO] [stdout] test tests::i32_test ... ok
[INFO] [stdout] test tests::i64_test ... ok
[INFO] [stdout] test tests::i8_test ... ok
[INFO] [stdout] test tests::isize_test ... ok
[INFO] [stdout] test tests::u128_test ... ok
[INFO] [stdout] test tests::u16_test ... ok
[INFO] [stdout] test tests::u32_test ... ok
[INFO] [stdout] test tests::u64_test ... ok
[INFO] [stdout] test tests::u8_test ... ok
[INFO] [stdout] test tests::usize_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests integer-sqrt
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cca01af0a51ebdd7cc25ed0f5d20aa16039f02ed61fa839a15f7c08f70217268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca01af0a51ebdd7cc25ed0f5d20aa16039f02ed61fa839a15f7c08f70217268", kill_on_drop: false }`
[INFO] [stdout] cca01af0a51ebdd7cc25ed0f5d20aa16039f02ed61fa839a15f7c08f70217268