[INFO] fetching crate mozrunner 0.12.0...
[INFO] testing mozrunner-0.12.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate mozrunner 0.12.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mozrunner 0.12.0 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 mozrunner 0.12.0
[INFO] finished tweaking crates.io crate mozrunner 0.12.0
[INFO] tweaked toml for crates.io crate mozrunner 0.12.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate mozrunner 0.12.0 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 37b7ef1c38c9755ad5fb77f5bcfcf50a7b98ab20823919de6a5a5b0350790517
[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" "37b7ef1c38c9755ad5fb77f5bcfcf50a7b98ab20823919de6a5a5b0350790517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37b7ef1c38c9755ad5fb77f5bcfcf50a7b98ab20823919de6a5a5b0350790517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b7ef1c38c9755ad5fb77f5bcfcf50a7b98ab20823919de6a5a5b0350790517", kill_on_drop: false }`
[INFO] [stdout] 37b7ef1c38c9755ad5fb77f5bcfcf50a7b98ab20823919de6a5a5b0350790517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 7d588febca48e7fffab7f874a18ffc389364578e94fce83a04a541c5dc197adb
[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" "7d588febca48e7fffab7f874a18ffc389364578e94fce83a04a541c5dc197adb", kill_on_drop: false }`
[INFO] [stderr]    Compiling plist v0.5.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling mozprofile v0.7.0
[INFO] [stderr]    Compiling mozrunner v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.80s
[INFO] running `Command { std: "docker" "inspect" "7d588febca48e7fffab7f874a18ffc389364578e94fce83a04a541c5dc197adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d588febca48e7fffab7f874a18ffc389364578e94fce83a04a541c5dc197adb", kill_on_drop: false }`
[INFO] [stdout] 7d588febca48e7fffab7f874a18ffc389364578e94fce83a04a541c5dc197adb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 632f88beeab22ef05be9d33eb5b2f2bb5c64a7ed5649f3c2d302fa681387be20
[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" "632f88beeab22ef05be9d33eb5b2f2bb5c64a7ed5649f3c2d302fa681387be20", kill_on_drop: false }`
[INFO] [stderr]    Compiling mozrunner v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "632f88beeab22ef05be9d33eb5b2f2bb5c64a7ed5649f3c2d302fa681387be20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632f88beeab22ef05be9d33eb5b2f2bb5c64a7ed5649f3c2d302fa681387be20", kill_on_drop: false }`
[INFO] [stdout] 632f88beeab22ef05be9d33eb5b2f2bb5c64a7ed5649f3c2d302fa681387be20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ebbcd31762eb917a7bbc170cd98f96523e64aeb84bba8d17eca9619202825b9f
[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" "ebbcd31762eb917a7bbc170cd98f96523e64aeb84bba8d17eca9619202825b9f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mozrunner-f297a7f821833d8d
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/firefox_default_path-891b5f4053fb1907
[INFO] [stdout] running 3 tests
[INFO] [stdout] test firefox_args::tests::test_parse_arg_name_non_windows ... ok
[INFO] [stdout] test firefox_args::tests::test_arg_from_osstring ... ok
[INFO] [stdout] test firefox_args::tests::test_parse_arg_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mozrunner
[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] [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" "ebbcd31762eb917a7bbc170cd98f96523e64aeb84bba8d17eca9619202825b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbcd31762eb917a7bbc170cd98f96523e64aeb84bba8d17eca9619202825b9f", kill_on_drop: false }`
[INFO] [stdout] ebbcd31762eb917a7bbc170cd98f96523e64aeb84bba8d17eca9619202825b9f