[INFO] fetching crate cfgcomment-core 0.3.0...
[INFO] testing cfgcomment-core-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate cfgcomment-core 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cfgcomment-core 0.3.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfgcomment-core 0.3.0
[INFO] finished tweaking crates.io crate cfgcomment-core 0.3.0
[INFO] tweaked toml for crates.io crate cfgcomment-core 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 249b5651335c1a670d70023a0e6fab459017b577c33ba756e610363871e44a57
[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" "249b5651335c1a670d70023a0e6fab459017b577c33ba756e610363871e44a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "249b5651335c1a670d70023a0e6fab459017b577c33ba756e610363871e44a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249b5651335c1a670d70023a0e6fab459017b577c33ba756e610363871e44a57", kill_on_drop: false }`
[INFO] [stdout] 249b5651335c1a670d70023a0e6fab459017b577c33ba756e610363871e44a57
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de254a0b4497e6f7c9ab7db7552693fc393a2d9f2d9619ffc30f00f3ebcfceb2
[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" "de254a0b4497e6f7c9ab7db7552693fc393a2d9f2d9619ffc30f00f3ebcfceb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling cfgcomment-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "de254a0b4497e6f7c9ab7db7552693fc393a2d9f2d9619ffc30f00f3ebcfceb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de254a0b4497e6f7c9ab7db7552693fc393a2d9f2d9619ffc30f00f3ebcfceb2", kill_on_drop: false }`
[INFO] [stdout] de254a0b4497e6f7c9ab7db7552693fc393a2d9f2d9619ffc30f00f3ebcfceb2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a73da5c241c0b44e3aa7f56e40d77b3ef24c9ce8acc7ba70248cf0c3895f4ccd
[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" "a73da5c241c0b44e3aa7f56e40d77b3ef24c9ce8acc7ba70248cf0c3895f4ccd", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfgcomment-core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "a73da5c241c0b44e3aa7f56e40d77b3ef24c9ce8acc7ba70248cf0c3895f4ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73da5c241c0b44e3aa7f56e40d77b3ef24c9ce8acc7ba70248cf0c3895f4ccd", kill_on_drop: false }`
[INFO] [stdout] a73da5c241c0b44e3aa7f56e40d77b3ef24c9ce8acc7ba70248cf0c3895f4ccd
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 5de634258d8574a248b054674cfc0a4e7e256e2a7e565979ec46dff413b4abb5
[INFO] running `Command { std: "docker" "start" "-a" "5de634258d8574a248b054674cfc0a4e7e256e2a7e565979ec46dff413b4abb5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cfgcomment_core-f029770985a9a15e)
[INFO] [stderr]    Doc-tests cfgcomment-core
[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] [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" "5de634258d8574a248b054674cfc0a4e7e256e2a7e565979ec46dff413b4abb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de634258d8574a248b054674cfc0a4e7e256e2a7e565979ec46dff413b4abb5", kill_on_drop: false }`
[INFO] [stdout] 5de634258d8574a248b054674cfc0a4e7e256e2a7e565979ec46dff413b4abb5