[INFO] cloning repository https://github.com/fenhl/dark-mode-firefox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fenhl/dark-mode-firefox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenhl%2Fdark-mode-firefox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenhl%2Fdark-mode-firefox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84a38a6520ed68ef4bdcda3567f3f69af18b4b99
[INFO] testing fenhl/dark-mode-firefox against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffenhl%2Fdark-mode-firefox" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fenhl/dark-mode-firefox 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 git repo https://github.com/fenhl/dark-mode-firefox
[INFO] finished tweaking git repo https://github.com/fenhl/dark-mode-firefox
[INFO] tweaked toml for git repo https://github.com/fenhl/dark-mode-firefox written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fenhl/dark-mode-firefox 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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69a79528e476dc9c6a2ef268eff359c7580e21d54667c052776f3b6d3b6fc176
[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" "69a79528e476dc9c6a2ef268eff359c7580e21d54667c052776f3b6d3b6fc176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69a79528e476dc9c6a2ef268eff359c7580e21d54667c052776f3b6d3b6fc176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69a79528e476dc9c6a2ef268eff359c7580e21d54667c052776f3b6d3b6fc176", kill_on_drop: false }`
[INFO] [stdout] 69a79528e476dc9c6a2ef268eff359c7580e21d54667c052776f3b6d3b6fc176
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c4f7a9cf666f633691d209b8057eeb947bda91824c3636f6000d5b59b146341
[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" "1c4f7a9cf666f633691d209b8057eeb947bda91824c3636f6000d5b59b146341", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling webextension-protocol v1.0.0 (https://github.com/fenhl/rust-webextension-protocol#fce3ba48)
[INFO] [stderr]    Compiling dark-mode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "1c4f7a9cf666f633691d209b8057eeb947bda91824c3636f6000d5b59b146341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4f7a9cf666f633691d209b8057eeb947bda91824c3636f6000d5b59b146341", kill_on_drop: false }`
[INFO] [stdout] 1c4f7a9cf666f633691d209b8057eeb947bda91824c3636f6000d5b59b146341
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9005ee79e82b25bb062a2ddf6ec7ee1bed7bca88c9ec3c42264d209bfaf4369
[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" "c9005ee79e82b25bb062a2ddf6ec7ee1bed7bca88c9ec3c42264d209bfaf4369", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "c9005ee79e82b25bb062a2ddf6ec7ee1bed7bca88c9ec3c42264d209bfaf4369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9005ee79e82b25bb062a2ddf6ec7ee1bed7bca88c9ec3c42264d209bfaf4369", kill_on_drop: false }`
[INFO] [stdout] c9005ee79e82b25bb062a2ddf6ec7ee1bed7bca88c9ec3c42264d209bfaf4369
[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: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] 29f90226803b338a95b8a9be2d7dc1f5ccb71f36adcfc75d6d9d3e3cacfbd2f6
[INFO] running `Command { std: "docker" "start" "-a" "29f90226803b338a95b8a9be2d7dc1f5ccb71f36adcfc75d6d9d3e3cacfbd2f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "29f90226803b338a95b8a9be2d7dc1f5ccb71f36adcfc75d6d9d3e3cacfbd2f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f90226803b338a95b8a9be2d7dc1f5ccb71f36adcfc75d6d9d3e3cacfbd2f6", kill_on_drop: false }`
[INFO] [stdout] 29f90226803b338a95b8a9be2d7dc1f5ccb71f36adcfc75d6d9d3e3cacfbd2f6