[INFO] fetching crate halton 0.2.1...
[INFO] testing halton-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate halton 0.2.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate halton 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate halton 0.2.1
[INFO] finished tweaking crates.io crate halton 0.2.1
[INFO] tweaked toml for crates.io crate halton 0.2.1 written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate crates.io crate halton 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10a5ab285f0009526ea2854dc27be412adb2834dbb0b18e660f866c9993599e1
[INFO] running `Command { std: "docker" "start" "-a" "10a5ab285f0009526ea2854dc27be412adb2834dbb0b18e660f866c9993599e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a5ab285f0009526ea2854dc27be412adb2834dbb0b18e660f866c9993599e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a5ab285f0009526ea2854dc27be412adb2834dbb0b18e660f866c9993599e1", kill_on_drop: false }`
[INFO] [stdout] 10a5ab285f0009526ea2854dc27be412adb2834dbb0b18e660f866c9993599e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e119983b5f97b0cdf8d13248bc19ff82a29e49885a84d68fff7a217e58d388a2
[INFO] running `Command { std: "docker" "start" "-a" "e119983b5f97b0cdf8d13248bc19ff82a29e49885a84d68fff7a217e58d388a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling halton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "e119983b5f97b0cdf8d13248bc19ff82a29e49885a84d68fff7a217e58d388a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e119983b5f97b0cdf8d13248bc19ff82a29e49885a84d68fff7a217e58d388a2", kill_on_drop: false }`
[INFO] [stdout] e119983b5f97b0cdf8d13248bc19ff82a29e49885a84d68fff7a217e58d388a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09367565f3ff8f9e5b2fb6f8052d53edc62466402a68cd0d935cc78e0eadf573
[INFO] running `Command { std: "docker" "start" "-a" "09367565f3ff8f9e5b2fb6f8052d53edc62466402a68cd0d935cc78e0eadf573", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling halton v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "09367565f3ff8f9e5b2fb6f8052d53edc62466402a68cd0d935cc78e0eadf573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09367565f3ff8f9e5b2fb6f8052d53edc62466402a68cd0d935cc78e0eadf573", kill_on_drop: false }`
[INFO] [stdout] 09367565f3ff8f9e5b2fb6f8052d53edc62466402a68cd0d935cc78e0eadf573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e987e072292d86afb221a795027429ca00a2aaf24613f1d9c521756d79c2aafe
[INFO] running `Command { std: "docker" "start" "-a" "e987e072292d86afb221a795027429ca00a2aaf24613f1d9c521756d79c2aafe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/halton-5f885ecadee452ae)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::number_base_2 ... ok
[INFO] [stdout] test tests::number_base_3 ... ok
[INFO] [stdout] test tests::sequence_base_2 ... ok
[INFO] [stdout] test tests::sequence_base_3 ... ok
[INFO] [stdout] test tests::sequence_count ... ok
[INFO] [stdout] test tests::sequence_iter ... ok
[INFO] [stdout] test tests::sequence_last ... ok
[INFO] [stdout] test tests::sequence_nth_last ... ok
[INFO] [stdout] test tests::sequence_skip_base_2 ... ok
[INFO] [stdout] test tests::sequence_size_hint ... ok
[INFO] [stdout] test tests::sequence_skip_base_3 ... ok
[INFO] [stdout] test tests::sequence_skip_last ... ok
[INFO] [stdout] test tests::sequence_iteratate_to_last ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests halton
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Sequence (line 98) - compile ... ok
[INFO] [stdout] test src/lib.rs - Sequence::new (line 142) ... ok
[INFO] [stdout] test src/lib.rs - number (line 67) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 120) ... ok
[INFO] [stdout] test src/lib.rs - number (line 57) ... ok
[INFO] [stdout] test src/lib.rs - Sequence (line 110) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e987e072292d86afb221a795027429ca00a2aaf24613f1d9c521756d79c2aafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e987e072292d86afb221a795027429ca00a2aaf24613f1d9c521756d79c2aafe", kill_on_drop: false }`
[INFO] [stdout] e987e072292d86afb221a795027429ca00a2aaf24613f1d9c521756d79c2aafe