[INFO] fetching crate devtimer 4.0.1...
[INFO] testing devtimer-4.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate devtimer 4.0.1 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate devtimer 4.0.1 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 devtimer 4.0.1
[INFO] finished tweaking crates.io crate devtimer 4.0.1
[INFO] tweaked toml for crates.io crate devtimer 4.0.1 written to /workspace/builds/worker-17/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] a7bee5b96caf14792807a9a4744015c4a0829cf42847adf52e163c3a94282cd1
[INFO] running `Command { std: "docker" "start" "-a" "a7bee5b96caf14792807a9a4744015c4a0829cf42847adf52e163c3a94282cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7bee5b96caf14792807a9a4744015c4a0829cf42847adf52e163c3a94282cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7bee5b96caf14792807a9a4744015c4a0829cf42847adf52e163c3a94282cd1", kill_on_drop: false }`
[INFO] [stdout] a7bee5b96caf14792807a9a4744015c4a0829cf42847adf52e163c3a94282cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 302f419b4bf276ecf5579090be5aaa789162d9c6a7d7ad984a02b535f70c02a0
[INFO] running `Command { std: "docker" "start" "-a" "302f419b4bf276ecf5579090be5aaa789162d9c6a7d7ad984a02b535f70c02a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling devtimer v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "302f419b4bf276ecf5579090be5aaa789162d9c6a7d7ad984a02b535f70c02a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302f419b4bf276ecf5579090be5aaa789162d9c6a7d7ad984a02b535f70c02a0", kill_on_drop: false }`
[INFO] [stdout] 302f419b4bf276ecf5579090be5aaa789162d9c6a7d7ad984a02b535f70c02a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 4ce011cb4cc93babf8d9d7158e4b9f26f8944ceb2f271b0fcfac6d2402645989
[INFO] running `Command { std: "docker" "start" "-a" "4ce011cb4cc93babf8d9d7158e4b9f26f8944ceb2f271b0fcfac6d2402645989", kill_on_drop: false }`
[INFO] [stderr]    Compiling devtimer v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "4ce011cb4cc93babf8d9d7158e4b9f26f8944ceb2f271b0fcfac6d2402645989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ce011cb4cc93babf8d9d7158e4b9f26f8944ceb2f271b0fcfac6d2402645989", kill_on_drop: false }`
[INFO] [stdout] 4ce011cb4cc93babf8d9d7158e4b9f26f8944ceb2f271b0fcfac6d2402645989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] f2272b51318b203f515f0bf97b983a9335987c0109edc2cd387000fd7e42c2a7
[INFO] running `Command { std: "docker" "start" "-a" "f2272b51318b203f515f0bf97b983a9335987c0109edc2cd387000fd7e42c2a7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/devtimer-e19c45ee317bcf4c)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test check_complex_timer_impl ... ok
[INFO] [stdout] test test_simple_timer_impl ... ok
[INFO] [stdout] test test_benchmark_impl ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests devtimer
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - ComplexTimer::iter (line 252) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/lib.rs - run_benchmark (line 81) ... ok
[INFO] [stdout] test src/lib.rs - SimpleTimer::start_after (line 289) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2272b51318b203f515f0bf97b983a9335987c0109edc2cd387000fd7e42c2a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2272b51318b203f515f0bf97b983a9335987c0109edc2cd387000fd7e42c2a7", kill_on_drop: false }`
[INFO] [stdout] f2272b51318b203f515f0bf97b983a9335987c0109edc2cd387000fd7e42c2a7