[INFO] fetching crate atomic-write 0.2.0...
[INFO] testing atomic-write-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate atomic-write 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate atomic-write 0.2.0 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 atomic-write 0.2.0
[INFO] finished tweaking crates.io crate atomic-write 0.2.0
[INFO] tweaked toml for crates.io crate atomic-write 0.2.0 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 949e1753b68e83501e971bbad703208ef06ae355283ccffd3896c722f905bd64
[INFO] running `Command { std: "docker" "start" "-a" "949e1753b68e83501e971bbad703208ef06ae355283ccffd3896c722f905bd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "949e1753b68e83501e971bbad703208ef06ae355283ccffd3896c722f905bd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949e1753b68e83501e971bbad703208ef06ae355283ccffd3896c722f905bd64", kill_on_drop: false }`
[INFO] [stdout] 949e1753b68e83501e971bbad703208ef06ae355283ccffd3896c722f905bd64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 50ba635a5b281dd1c45d7c90f4d7a8d1a25a3684e0df1b4e8b09baf0078dab31
[INFO] running `Command { std: "docker" "start" "-a" "50ba635a5b281dd1c45d7c90f4d7a8d1a25a3684e0df1b4e8b09baf0078dab31", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling atomic-write v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "50ba635a5b281dd1c45d7c90f4d7a8d1a25a3684e0df1b4e8b09baf0078dab31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ba635a5b281dd1c45d7c90f4d7a8d1a25a3684e0df1b4e8b09baf0078dab31", kill_on_drop: false }`
[INFO] [stdout] 50ba635a5b281dd1c45d7c90f4d7a8d1a25a3684e0df1b4e8b09baf0078dab31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 608434b0a1955b5e742e9fac3536d136f3bd14f1c5c452acefe77f2d199e1493
[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" "608434b0a1955b5e742e9fac3536d136f3bd14f1c5c452acefe77f2d199e1493", kill_on_drop: false }`
[INFO] [stderr]    Compiling atomic-write v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "608434b0a1955b5e742e9fac3536d136f3bd14f1c5c452acefe77f2d199e1493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608434b0a1955b5e742e9fac3536d136f3bd14f1c5c452acefe77f2d199e1493", kill_on_drop: false }`
[INFO] [stdout] 608434b0a1955b5e742e9fac3536d136f3bd14f1c5c452acefe77f2d199e1493
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1a3ae5a247b876df0ec514edb5c65bbc257dbc5e136bf175f175ea651ab66b09
[INFO] running `Command { std: "docker" "start" "-a" "1a3ae5a247b876df0ec514edb5c65bbc257dbc5e136bf175f175ea651ab66b09", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/atomic_write-d90b038c9c643608
[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]    Doc-tests atomic-write
[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" "1a3ae5a247b876df0ec514edb5c65bbc257dbc5e136bf175f175ea651ab66b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a3ae5a247b876df0ec514edb5c65bbc257dbc5e136bf175f175ea651ab66b09", kill_on_drop: false }`
[INFO] [stdout] 1a3ae5a247b876df0ec514edb5c65bbc257dbc5e136bf175f175ea651ab66b09