[INFO] fetching crate russell_stat 0.1.2...
[INFO] testing russell_stat-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate russell_stat 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate russell_stat 0.1.2 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 russell_stat 0.1.2
[INFO] finished tweaking crates.io crate russell_stat 0.1.2
[INFO] tweaked toml for crates.io crate russell_stat 0.1.2 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 571bb14c0d12cbd4390650c9a1849885990a6decafcea406b96ef6c5e3a14805
[INFO] running `Command { std: "docker" "start" "-a" "571bb14c0d12cbd4390650c9a1849885990a6decafcea406b96ef6c5e3a14805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571bb14c0d12cbd4390650c9a1849885990a6decafcea406b96ef6c5e3a14805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571bb14c0d12cbd4390650c9a1849885990a6decafcea406b96ef6c5e3a14805", kill_on_drop: false }`
[INFO] [stdout] 571bb14c0d12cbd4390650c9a1849885990a6decafcea406b96ef6c5e3a14805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] feac741f1faf254b3b0857e74c2f1bb3d4d409e34678fd6a2b4be8841272d489
[INFO] running `Command { std: "docker" "start" "-a" "feac741f1faf254b3b0857e74c2f1bb3d4d409e34678fd6a2b4be8841272d489", kill_on_drop: false }`
[INFO] [stderr]    Compiling russell_chk v0.1.1
[INFO] [stderr]    Compiling russell_stat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "feac741f1faf254b3b0857e74c2f1bb3d4d409e34678fd6a2b4be8841272d489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feac741f1faf254b3b0857e74c2f1bb3d4d409e34678fd6a2b4be8841272d489", kill_on_drop: false }`
[INFO] [stdout] feac741f1faf254b3b0857e74c2f1bb3d4d409e34678fd6a2b4be8841272d489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 145db467fc619b6929024bb40405966cb7fcf2502986b2bbc579f31858a9fa99
[INFO] running `Command { std: "docker" "start" "-a" "145db467fc619b6929024bb40405966cb7fcf2502986b2bbc579f31858a9fa99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling russell_stat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "145db467fc619b6929024bb40405966cb7fcf2502986b2bbc579f31858a9fa99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145db467fc619b6929024bb40405966cb7fcf2502986b2bbc579f31858a9fa99", kill_on_drop: false }`
[INFO] [stdout] 145db467fc619b6929024bb40405966cb7fcf2502986b2bbc579f31858a9fa99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 48bc5a768a9880f8f089fab38b5ef7d3a143de03692421e3b062e1ff225ce32d
[INFO] running `Command { std: "docker" "start" "-a" "48bc5a768a9880f8f089fab38b5ef7d3a143de03692421e3b062e1ff225ce32d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/russell_stat-02046722316c9d63)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test histogram::tests::histogram_new_works ... ok
[INFO] [stdout] test stat::tests::ave_dev_works ... ok
[INFO] [stdout] test stat::tests::ave_works ... ok
[INFO] [stdout] test stat::tests::ave_returns_error_on_empty_slice - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests russell_stat
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/stat.rs - stat::ave_dev (line 27) ... ok
[INFO] [stdout] test src/stat.rs - stat::ave (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48bc5a768a9880f8f089fab38b5ef7d3a143de03692421e3b062e1ff225ce32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48bc5a768a9880f8f089fab38b5ef7d3a143de03692421e3b062e1ff225ce32d", kill_on_drop: false }`
[INFO] [stdout] 48bc5a768a9880f8f089fab38b5ef7d3a143de03692421e3b062e1ff225ce32d