[INFO] fetching crate ticktock 0.8.0...
[INFO] testing ticktock-0.8.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ticktock 0.8.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ticktock 0.8.0 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 ticktock 0.8.0
[INFO] finished tweaking crates.io crate ticktock 0.8.0
[INFO] tweaked toml for crates.io crate ticktock 0.8.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ticktock 0.8.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a4f4ced477229fa57ccfbdd7305d4e6c6a39296d4696a435c058d22d12f7a01d
[INFO] running `Command { std: "docker" "start" "-a" "a4f4ced477229fa57ccfbdd7305d4e6c6a39296d4696a435c058d22d12f7a01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4f4ced477229fa57ccfbdd7305d4e6c6a39296d4696a435c058d22d12f7a01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4f4ced477229fa57ccfbdd7305d4e6c6a39296d4696a435c058d22d12f7a01d", kill_on_drop: false }`
[INFO] [stdout] a4f4ced477229fa57ccfbdd7305d4e6c6a39296d4696a435c058d22d12f7a01d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 614076f78ea80074b5f98c4784bd243f786f6131bde51999effb8de191613154
[INFO] running `Command { std: "docker" "start" "-a" "614076f78ea80074b5f98c4784bd243f786f6131bde51999effb8de191613154", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ticktock v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "614076f78ea80074b5f98c4784bd243f786f6131bde51999effb8de191613154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614076f78ea80074b5f98c4784bd243f786f6131bde51999effb8de191613154", kill_on_drop: false }`
[INFO] [stdout] 614076f78ea80074b5f98c4784bd243f786f6131bde51999effb8de191613154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6a49b82f91d3d28167a3ba3c8621f17f6484f8ddf56ad412375de1ce5cf9ecdb
[INFO] running `Command { std: "docker" "start" "-a" "6a49b82f91d3d28167a3ba3c8621f17f6484f8ddf56ad412375de1ce5cf9ecdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ticktock v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "6a49b82f91d3d28167a3ba3c8621f17f6484f8ddf56ad412375de1ce5cf9ecdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a49b82f91d3d28167a3ba3c8621f17f6484f8ddf56ad412375de1ce5cf9ecdb", kill_on_drop: false }`
[INFO] [stdout] 6a49b82f91d3d28167a3ba3c8621f17f6484f8ddf56ad412375de1ce5cf9ecdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fb3116dd28b760a8f1a530ad90e4a046f93cd3c961cb56fefbed079c9e85bbc9
[INFO] running `Command { std: "docker" "start" "-a" "fb3116dd28b760a8f1a530ad90e4a046f93cd3c961cb56fefbed079c9e85bbc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ticktock-b953a79740a3c080)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ticktock
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::attempt_works_on_empty_option_vecs ... ok
[INFO] [stdout] test test::attempt_works_on_empty_result_vecs ... ok
[INFO] [stdout] test test::attempt_works_on_err_results ... ok
[INFO] [stdout] test test::attempt_works_on_none_options ... ok
[INFO] [stdout] test test::attempt_works_on_ok_results ... ok
[INFO] [stdout] test timer::tests::construction ... ok
[INFO] [stdout] test timer::tests::test_just_called ... ok
[INFO] [stdout] test timer::tests::test_single_timer ... ok
[INFO] [stdout] test test::attempt_works_on_some_options ... ok
[INFO] [stdout] test timer::tests::value_retrieval ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... ignored
[INFO] [stdout] test src/lib.rs - Attempt (line 80) ... ignored
[INFO] [stdout] test src/timer.rs - timer (line 12) ... ok
[INFO] [stdout] test src/lib.rs - Attempt (line 58) ... ok
[INFO] [stdout] test src/clock.rs - clock::ClockIter (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 1.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb3116dd28b760a8f1a530ad90e4a046f93cd3c961cb56fefbed079c9e85bbc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb3116dd28b760a8f1a530ad90e4a046f93cd3c961cb56fefbed079c9e85bbc9", kill_on_drop: false }`
[INFO] [stdout] fb3116dd28b760a8f1a530ad90e4a046f93cd3c961cb56fefbed079c9e85bbc9