[INFO] fetching crate stopwatch 0.0.7...
[INFO] testing stopwatch-0.0.7 against 1.49.0 for beta-1.50-1
[INFO] extracting crate stopwatch 0.0.7 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stopwatch 0.0.7 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stopwatch 0.0.7
[INFO] finished tweaking crates.io crate stopwatch 0.0.7
[INFO] tweaked toml for crates.io crate stopwatch 0.0.7 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4badd9e97e7555abe564603dfdc4e6f395f0fc22eeba307e7d64d05ede49683f
[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" "4badd9e97e7555abe564603dfdc4e6f395f0fc22eeba307e7d64d05ede49683f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4badd9e97e7555abe564603dfdc4e6f395f0fc22eeba307e7d64d05ede49683f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4badd9e97e7555abe564603dfdc4e6f395f0fc22eeba307e7d64d05ede49683f", kill_on_drop: false }`
[INFO] [stdout] 4badd9e97e7555abe564603dfdc4e6f395f0fc22eeba307e7d64d05ede49683f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 14ee658a48dd6a750a71f6bb8c691bf61ff3d17c80aba8c8c0a21d01e93c20e7
[INFO] running `Command { std: "docker" "start" "-a" "14ee658a48dd6a750a71f6bb8c691bf61ff3d17c80aba8c8c0a21d01e93c20e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling stopwatch v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "14ee658a48dd6a750a71f6bb8c691bf61ff3d17c80aba8c8c0a21d01e93c20e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ee658a48dd6a750a71f6bb8c691bf61ff3d17c80aba8c8c0a21d01e93c20e7", kill_on_drop: false }`
[INFO] [stdout] 14ee658a48dd6a750a71f6bb8c691bf61ff3d17c80aba8c8c0a21d01e93c20e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 76ae26961f6b798665a6546d2a088da22f3b96a44c8a433488b5658a381fdc97
[INFO] running `Command { std: "docker" "start" "-a" "76ae26961f6b798665a6546d2a088da22f3b96a44c8a433488b5658a381fdc97", kill_on_drop: false }`
[INFO] [stderr]    Compiling stopwatch v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "76ae26961f6b798665a6546d2a088da22f3b96a44c8a433488b5658a381fdc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ae26961f6b798665a6546d2a088da22f3b96a44c8a433488b5658a381fdc97", kill_on_drop: false }`
[INFO] [stdout] 76ae26961f6b798665a6546d2a088da22f3b96a44c8a433488b5658a381fdc97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.49.0" "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] af9e33b75b50dca39d824927cbc71ab22827db369a968f56ec144e9a4ee79006
[INFO] running `Command { std: "docker" "start" "-a" "af9e33b75b50dca39d824927cbc71ab22827db369a968f56ec144e9a4ee79006", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stopwatch-0c027403791c8078
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-6c70e9bc49c0fdd9
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test elapsed_none ... ok
[INFO] [stdout] test is_running ... ok
[INFO] [stdout] test repeated_stops ... ok
[INFO] [stdout] test reset ... ok
[INFO] [stdout] test elapsed_ms ... ok
[INFO] [stdout] test restart ... ok
[INFO] [stdout] test stop ... ok
[INFO] [stdout] test resume_once ... ok
[INFO] [stdout] test resume_twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stopwatch
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af9e33b75b50dca39d824927cbc71ab22827db369a968f56ec144e9a4ee79006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9e33b75b50dca39d824927cbc71ab22827db369a968f56ec144e9a4ee79006", kill_on_drop: false }`
[INFO] [stdout] af9e33b75b50dca39d824927cbc71ab22827db369a968f56ec144e9a4ee79006