[INFO] fetching crate simple-stopwatch 0.1.4...
[INFO] testing simple-stopwatch-0.1.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate simple-stopwatch 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple-stopwatch 0.1.4 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 simple-stopwatch 0.1.4
[INFO] finished tweaking crates.io crate simple-stopwatch 0.1.4
[INFO] tweaked toml for crates.io crate simple-stopwatch 0.1.4 written to /workspace/builds/worker-4/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] 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-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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0e8c493fa208aa00d8010524d06fc3976f97d5add1020095b474bbf8b513784
[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" "f0e8c493fa208aa00d8010524d06fc3976f97d5add1020095b474bbf8b513784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e8c493fa208aa00d8010524d06fc3976f97d5add1020095b474bbf8b513784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e8c493fa208aa00d8010524d06fc3976f97d5add1020095b474bbf8b513784", kill_on_drop: false }`
[INFO] [stdout] f0e8c493fa208aa00d8010524d06fc3976f97d5add1020095b474bbf8b513784
[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" "+beta-2021-01-01" "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] d67fc0580a15f063b9096bb9ded59ffabb423e260faa2520520bbaa86f7edce7
[INFO] running `Command { std: "docker" "start" "-a" "d67fc0580a15f063b9096bb9ded59ffabb423e260faa2520520bbaa86f7edce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-stopwatch v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "d67fc0580a15f063b9096bb9ded59ffabb423e260faa2520520bbaa86f7edce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d67fc0580a15f063b9096bb9ded59ffabb423e260faa2520520bbaa86f7edce7", kill_on_drop: false }`
[INFO] [stdout] d67fc0580a15f063b9096bb9ded59ffabb423e260faa2520520bbaa86f7edce7
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f4fd2521e84b60bd847199006341b05a0373ddee5b2a91afc09177a94c869fc
[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" "9f4fd2521e84b60bd847199006341b05a0373ddee5b2a91afc09177a94c869fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling simple-stopwatch v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "9f4fd2521e84b60bd847199006341b05a0373ddee5b2a91afc09177a94c869fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4fd2521e84b60bd847199006341b05a0373ddee5b2a91afc09177a94c869fc", kill_on_drop: false }`
[INFO] [stdout] 9f4fd2521e84b60bd847199006341b05a0373ddee5b2a91afc09177a94c869fc
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 318e06bff8ebd7478ae07a005e08bf11695da09b4c01fa65dd84193111535861
[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" "318e06bff8ebd7478ae07a005e08bf11695da09b4c01fa65dd84193111535861", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_stopwatch-a2ec2b463b1bac49
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-stopwatch
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Stopwatch::ms (line 55) ... ok
[INFO] [stdout] test src/lib.rs - Stopwatch::restart (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.60s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "318e06bff8ebd7478ae07a005e08bf11695da09b4c01fa65dd84193111535861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318e06bff8ebd7478ae07a005e08bf11695da09b4c01fa65dd84193111535861", kill_on_drop: false }`
[INFO] [stdout] 318e06bff8ebd7478ae07a005e08bf11695da09b4c01fa65dd84193111535861