[INFO] fetching crate i3-workspace-brightness 1.0.2...
[INFO] testing i3-workspace-brightness-1.0.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate i3-workspace-brightness 1.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate i3-workspace-brightness 1.0.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i3-workspace-brightness 1.0.2
[INFO] finished tweaking crates.io crate i3-workspace-brightness 1.0.2
[INFO] tweaked toml for crates.io crate i3-workspace-brightness 1.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate i3-workspace-brightness 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c38ebaaf7cc82b7eb695475b4708dfaf81d072904346c8f2bb294ad32dd284d
[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" "9c38ebaaf7cc82b7eb695475b4708dfaf81d072904346c8f2bb294ad32dd284d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c38ebaaf7cc82b7eb695475b4708dfaf81d072904346c8f2bb294ad32dd284d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c38ebaaf7cc82b7eb695475b4708dfaf81d072904346c8f2bb294ad32dd284d", kill_on_drop: false }`
[INFO] [stdout] 9c38ebaaf7cc82b7eb695475b4708dfaf81d072904346c8f2bb294ad32dd284d
[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" "+beta-2021-01-01" "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] 0b2457a853660121522f7fbc437ea9030e10239d6d6fd2bd58e127803dcb201b
[INFO] running `Command { std: "docker" "start" "-a" "0b2457a853660121522f7fbc437ea9030e10239d6d6fd2bd58e127803dcb201b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling i3ipc v0.10.1
[INFO] [stderr]    Compiling i3-workspace-brightness v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.53s
[INFO] running `Command { std: "docker" "inspect" "0b2457a853660121522f7fbc437ea9030e10239d6d6fd2bd58e127803dcb201b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2457a853660121522f7fbc437ea9030e10239d6d6fd2bd58e127803dcb201b", kill_on_drop: false }`
[INFO] [stdout] 0b2457a853660121522f7fbc437ea9030e10239d6d6fd2bd58e127803dcb201b
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d10016b4f746d5a055b260eb82d75f0de9f9969bd0925814adfdf424daeaa3d6
[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" "d10016b4f746d5a055b260eb82d75f0de9f9969bd0925814adfdf424daeaa3d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling i3ipc v0.10.1
[INFO] [stderr]    Compiling i3-workspace-brightness v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `Command { std: "docker" "inspect" "d10016b4f746d5a055b260eb82d75f0de9f9969bd0925814adfdf424daeaa3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d10016b4f746d5a055b260eb82d75f0de9f9969bd0925814adfdf424daeaa3d6", kill_on_drop: false }`
[INFO] [stdout] d10016b4f746d5a055b260eb82d75f0de9f9969bd0925814adfdf424daeaa3d6
[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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ad89ebdef2dba4e698a4bef9cbb889e4237e14f55dc4a843e60f3114e30b006
[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" "9ad89ebdef2dba4e698a4bef9cbb889e4237e14f55dc4a843e60f3114e30b006", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i3_workspace_brightness-c50beafc5b4b9d79
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ad89ebdef2dba4e698a4bef9cbb889e4237e14f55dc4a843e60f3114e30b006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad89ebdef2dba4e698a4bef9cbb889e4237e14f55dc4a843e60f3114e30b006", kill_on_drop: false }`
[INFO] [stdout] 9ad89ebdef2dba4e698a4bef9cbb889e4237e14f55dc4a843e60f3114e30b006