[INFO] fetching crate cfgcomment 0.3.0...
[INFO] testing cfgcomment-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cfgcomment 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cfgcomment 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfgcomment 0.3.0
[INFO] finished tweaking crates.io crate cfgcomment 0.3.0
[INFO] tweaked toml for crates.io crate cfgcomment 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cfgcomment 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe30f97d2a19440498e022a78999b40aaf250707cd6b308047176b6e5983d31
[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" "6fe30f97d2a19440498e022a78999b40aaf250707cd6b308047176b6e5983d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe30f97d2a19440498e022a78999b40aaf250707cd6b308047176b6e5983d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe30f97d2a19440498e022a78999b40aaf250707cd6b308047176b6e5983d31", kill_on_drop: false }`
[INFO] [stdout] 6fe30f97d2a19440498e022a78999b40aaf250707cd6b308047176b6e5983d31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee9354067d195eba2ad2524cf66b1653b5b8852a646022ba3b9e5c670a2c986
[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" "2ee9354067d195eba2ad2524cf66b1653b5b8852a646022ba3b9e5c670a2c986", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling peg-runtime v0.7.0
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling peg-macros v0.7.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling peg v0.7.0
[INFO] [stderr]    Compiling cfgcomment-core v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling git-filter-server v0.1.3
[INFO] [stderr]    Compiling structopt v0.3.23
[INFO] [stderr]    Compiling cfgcomment v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.33s
[INFO] running `Command { std: "docker" "inspect" "2ee9354067d195eba2ad2524cf66b1653b5b8852a646022ba3b9e5c670a2c986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee9354067d195eba2ad2524cf66b1653b5b8852a646022ba3b9e5c670a2c986", kill_on_drop: false }`
[INFO] [stdout] 2ee9354067d195eba2ad2524cf66b1653b5b8852a646022ba3b9e5c670a2c986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6efd0a1bdbc78dd57738f44d7142fd6b9050a259c0af12a349ee0745516b9feb
[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" "6efd0a1bdbc78dd57738f44d7142fd6b9050a259c0af12a349ee0745516b9feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfgcomment v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "6efd0a1bdbc78dd57738f44d7142fd6b9050a259c0af12a349ee0745516b9feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6efd0a1bdbc78dd57738f44d7142fd6b9050a259c0af12a349ee0745516b9feb", kill_on_drop: false }`
[INFO] [stdout] 6efd0a1bdbc78dd57738f44d7142fd6b9050a259c0af12a349ee0745516b9feb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "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] b3c050a2d3df919ec0466213195e94dadca9406adad512d1509e1de625f71c2b
[INFO] running `Command { std: "docker" "start" "-a" "b3c050a2d3df919ec0466213195e94dadca9406adad512d1509e1de625f71c2b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cfgcomment-7339968159b6dad7)
[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" "b3c050a2d3df919ec0466213195e94dadca9406adad512d1509e1de625f71c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3c050a2d3df919ec0466213195e94dadca9406adad512d1509e1de625f71c2b", kill_on_drop: false }`
[INFO] [stdout] b3c050a2d3df919ec0466213195e94dadca9406adad512d1509e1de625f71c2b