[INFO] fetching crate reduce_unsafe 0.1.0...
[INFO] testing reduce_unsafe-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate reduce_unsafe 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate reduce_unsafe 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate reduce_unsafe 0.1.0
[INFO] finished tweaking crates.io crate reduce_unsafe 0.1.0
[INFO] tweaked toml for crates.io crate reduce_unsafe 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2725969580ea5ccb57f046cbc56524806676576f60fc85d1a9009a712863b6ed
[INFO] running `Command { std: "docker" "start" "-a" "2725969580ea5ccb57f046cbc56524806676576f60fc85d1a9009a712863b6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2725969580ea5ccb57f046cbc56524806676576f60fc85d1a9009a712863b6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2725969580ea5ccb57f046cbc56524806676576f60fc85d1a9009a712863b6ed", kill_on_drop: false }`
[INFO] [stdout] 2725969580ea5ccb57f046cbc56524806676576f60fc85d1a9009a712863b6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6102b29f9a150beae03ebd5f8a54c866e2a87807a059da3029731d4a2f55a3e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6102b29f9a150beae03ebd5f8a54c866e2a87807a059da3029731d4a2f55a3e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduce_unsafe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "6102b29f9a150beae03ebd5f8a54c866e2a87807a059da3029731d4a2f55a3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6102b29f9a150beae03ebd5f8a54c866e2a87807a059da3029731d4a2f55a3e9", kill_on_drop: false }`
[INFO] [stdout] 6102b29f9a150beae03ebd5f8a54c866e2a87807a059da3029731d4a2f55a3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa987e7910b15dea5889c3c6436843b3baef9e4396fb5288a37102ae818484a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fa987e7910b15dea5889c3c6436843b3baef9e4396fb5288a37102ae818484a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling reduce_unsafe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "fa987e7910b15dea5889c3c6436843b3baef9e4396fb5288a37102ae818484a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa987e7910b15dea5889c3c6436843b3baef9e4396fb5288a37102ae818484a0", kill_on_drop: false }`
[INFO] [stdout] fa987e7910b15dea5889c3c6436843b3baef9e4396fb5288a37102ae818484a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aec589839b11d0cd5be151565a014a5a7d77cc4b1f0f7156cdabf09d9190bb1b
[INFO] running `Command { std: "docker" "start" "-a" "aec589839b11d0cd5be151565a014a5a7d77cc4b1f0f7156cdabf09d9190bb1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/reduce_unsafe-b5afb94b55038810
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test unchecked ... ok
[INFO] [stderr]    Doc-tests reduce_unsafe
[INFO] [stdout] test checked ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.15s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aec589839b11d0cd5be151565a014a5a7d77cc4b1f0f7156cdabf09d9190bb1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec589839b11d0cd5be151565a014a5a7d77cc4b1f0f7156cdabf09d9190bb1b", kill_on_drop: false }`
[INFO] [stdout] aec589839b11d0cd5be151565a014a5a7d77cc4b1f0f7156cdabf09d9190bb1b