[INFO] fetching crate cc-version 0.1.0...
[INFO] testing cc-version-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cc-version 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate cc-version 0.1.0 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 cc-version 0.1.0
[INFO] finished tweaking crates.io crate cc-version 0.1.0
[INFO] tweaked toml for crates.io crate cc-version 0.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1216dd60caa56d905b287cc0193e63df9e9123d1587c1715023cb38093a1ac17
[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" "1216dd60caa56d905b287cc0193e63df9e9123d1587c1715023cb38093a1ac17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1216dd60caa56d905b287cc0193e63df9e9123d1587c1715023cb38093a1ac17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1216dd60caa56d905b287cc0193e63df9e9123d1587c1715023cb38093a1ac17", kill_on_drop: false }`
[INFO] [stdout] 1216dd60caa56d905b287cc0193e63df9e9123d1587c1715023cb38093a1ac17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fcad10ad127ea4a6adab4bd3d18a1e63273c240f7735a7d987943f2a29dfc53
[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" "2fcad10ad127ea4a6adab4bd3d18a1e63273c240f7735a7d987943f2a29dfc53", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling cc-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "2fcad10ad127ea4a6adab4bd3d18a1e63273c240f7735a7d987943f2a29dfc53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fcad10ad127ea4a6adab4bd3d18a1e63273c240f7735a7d987943f2a29dfc53", kill_on_drop: false }`
[INFO] [stdout] 2fcad10ad127ea4a6adab4bd3d18a1e63273c240f7735a7d987943f2a29dfc53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 561f9ec5f37f9bbc2f12d22eb91642a6ad825b68093f9962a0a7a68d22b6b044
[INFO] running `Command { std: "docker" "start" "-a" "561f9ec5f37f9bbc2f12d22eb91642a6ad825b68093f9962a0a7a68d22b6b044", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc-version v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "561f9ec5f37f9bbc2f12d22eb91642a6ad825b68093f9962a0a7a68d22b6b044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "561f9ec5f37f9bbc2f12d22eb91642a6ad825b68093f9962a0a7a68d22b6b044", kill_on_drop: false }`
[INFO] [stdout] 561f9ec5f37f9bbc2f12d22eb91642a6ad825b68093f9962a0a7a68d22b6b044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e09332113b4bafe7542be646fd0a6f748002b963da3557c39684da1f06eee535
[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" "e09332113b4bafe7542be646fd0a6f748002b963da3557c39684da1f06eee535", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cc_version-f34455d06a607a0f
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::version_parse ... ok
[INFO] [stdout] test tests::msvc_version ... ok
[INFO] [stdout] test tests::version_eq ... ok
[INFO] [stderr]    Doc-tests cc-version
[INFO] [stdout] test tests::version_cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e09332113b4bafe7542be646fd0a6f748002b963da3557c39684da1f06eee535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09332113b4bafe7542be646fd0a6f748002b963da3557c39684da1f06eee535", kill_on_drop: false }`
[INFO] [stdout] e09332113b4bafe7542be646fd0a6f748002b963da3557c39684da1f06eee535