[INFO] fetching crate parse_arg 0.1.4...
[INFO] testing parse_arg-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate parse_arg 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate parse_arg 0.1.4 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 parse_arg 0.1.4
[INFO] finished tweaking crates.io crate parse_arg 0.1.4
[INFO] tweaked toml for crates.io crate parse_arg 0.1.4 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 52c50c383e063f0aef53fbd7ee3576c1ec227619828d838de3a382c873e09498
[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" "52c50c383e063f0aef53fbd7ee3576c1ec227619828d838de3a382c873e09498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52c50c383e063f0aef53fbd7ee3576c1ec227619828d838de3a382c873e09498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c50c383e063f0aef53fbd7ee3576c1ec227619828d838de3a382c873e09498", kill_on_drop: false }`
[INFO] [stdout] 52c50c383e063f0aef53fbd7ee3576c1ec227619828d838de3a382c873e09498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4827a9e963bc46ec283e9c10c6bb3dbc41d81f697cee44d62d37a47994c70702
[INFO] running `Command { std: "docker" "start" "-a" "4827a9e963bc46ec283e9c10c6bb3dbc41d81f697cee44d62d37a47994c70702", kill_on_drop: false }`
[INFO] [stderr]    Compiling parse_arg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "4827a9e963bc46ec283e9c10c6bb3dbc41d81f697cee44d62d37a47994c70702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4827a9e963bc46ec283e9c10c6bb3dbc41d81f697cee44d62d37a47994c70702", kill_on_drop: false }`
[INFO] [stdout] 4827a9e963bc46ec283e9c10c6bb3dbc41d81f697cee44d62d37a47994c70702
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4559d737c9d7bf0d644eb3efc28090e20c7d0d9d347b496b93d47856a6f4c903
[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" "4559d737c9d7bf0d644eb3efc28090e20c7d0d9d347b496b93d47856a6f4c903", kill_on_drop: false }`
[INFO] [stderr]    Compiling parse_arg v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "4559d737c9d7bf0d644eb3efc28090e20c7d0d9d347b496b93d47856a6f4c903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4559d737c9d7bf0d644eb3efc28090e20c7d0d9d347b496b93d47856a6f4c903", kill_on_drop: false }`
[INFO] [stdout] 4559d737c9d7bf0d644eb3efc28090e20c7d0d9d347b496b93d47856a6f4c903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] d50557fac30c413da5ed694ef22fcbaebd1d633a9bacd4109cb654808e5b824e
[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" "d50557fac30c413da5ed694ef22fcbaebd1d633a9bacd4109cb654808e5b824e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/parse_arg-410efe2a167b96f0
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::iter_short ... ok
[INFO] [stdout] test tests::numbers ... ok
[INFO] [stderr]    Doc-tests parse_arg
[INFO] [stdout] test tests::match_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "d50557fac30c413da5ed694ef22fcbaebd1d633a9bacd4109cb654808e5b824e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50557fac30c413da5ed694ef22fcbaebd1d633a9bacd4109cb654808e5b824e", kill_on_drop: false }`
[INFO] [stdout] d50557fac30c413da5ed694ef22fcbaebd1d633a9bacd4109cb654808e5b824e