[INFO] fetching crate kondo 0.4.0...
[INFO] testing kondo-0.4.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate kondo 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kondo 0.4.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kondo 0.4.0
[INFO] finished tweaking crates.io crate kondo 0.4.0
[INFO] tweaked toml for crates.io crate kondo 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kondo 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kondo-lib v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3af2cc1363c3c589e01dc12cdd1e1fd1f105116088989a08681bacf93f8ac99a
[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" "3af2cc1363c3c589e01dc12cdd1e1fd1f105116088989a08681bacf93f8ac99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af2cc1363c3c589e01dc12cdd1e1fd1f105116088989a08681bacf93f8ac99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af2cc1363c3c589e01dc12cdd1e1fd1f105116088989a08681bacf93f8ac99a", kill_on_drop: false }`
[INFO] [stdout] 3af2cc1363c3c589e01dc12cdd1e1fd1f105116088989a08681bacf93f8ac99a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 1cea1b12bc8b0b0c1458ed4c97e48312d4f443c67daff1c199a1934e0c87f840
[INFO] running `Command { std: "docker" "start" "-a" "1cea1b12bc8b0b0c1458ed4c97e48312d4f443c67daff1c199a1934e0c87f840", kill_on_drop: false }`
[INFO] [stderr]    Compiling kondo-lib v0.2.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling kondo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.06s
[INFO] running `Command { std: "docker" "inspect" "1cea1b12bc8b0b0c1458ed4c97e48312d4f443c67daff1c199a1934e0c87f840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cea1b12bc8b0b0c1458ed4c97e48312d4f443c67daff1c199a1934e0c87f840", kill_on_drop: false }`
[INFO] [stdout] 1cea1b12bc8b0b0c1458ed4c97e48312d4f443c67daff1c199a1934e0c87f840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5b6efd3484783af2335c5b9a061789bfeb558e45eef85de6985363f55bbe756
[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" "b5b6efd3484783af2335c5b9a061789bfeb558e45eef85de6985363f55bbe756", kill_on_drop: false }`
[INFO] [stderr]    Compiling kondo v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "b5b6efd3484783af2335c5b9a061789bfeb558e45eef85de6985363f55bbe756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b6efd3484783af2335c5b9a061789bfeb558e45eef85de6985363f55bbe756", kill_on_drop: false }`
[INFO] [stdout] b5b6efd3484783af2335c5b9a061789bfeb558e45eef85de6985363f55bbe756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7fe3c4617c62a26209605edb4a7bf1c6033694cc4db4e9e62ef133416ae2e84
[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" "b7fe3c4617c62a26209605edb4a7bf1c6033694cc4db4e9e62ef133416ae2e84", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kondo-d1d1f28023cff765
[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" "b7fe3c4617c62a26209605edb4a7bf1c6033694cc4db4e9e62ef133416ae2e84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fe3c4617c62a26209605edb4a7bf1c6033694cc4db4e9e62ef133416ae2e84", kill_on_drop: false }`
[INFO] [stdout] b7fe3c4617c62a26209605edb4a7bf1c6033694cc4db4e9e62ef133416ae2e84