[INFO] cloning repository https://github.com/durka/brainmunch
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/durka/brainmunch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ed5eee21ab793316b850a47c24cbb210f64e0ca
[INFO] checking durka/brainmunch against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fbrainmunch" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/durka/brainmunch on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/durka/brainmunch
[INFO] finished tweaking git repo https://github.com/durka/brainmunch
[INFO] tweaked toml for git repo https://github.com/durka/brainmunch written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/durka/brainmunch already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-10/source/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-10/source/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbc982cb8c8a2beb80626745c132fd6d8c362720bf582a603d61c78b5da48c54
[INFO] running `"docker" "start" "-a" "fbc982cb8c8a2beb80626745c132fd6d8c362720bf582a603d61c78b5da48c54"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/main.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strum v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr] error: could not compile `strum_macros`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `./time_rustc.sh --crate-name strum_macros /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strum_macros-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=eb1d6264bd69da7a -C extra-filename=-eb1d6264bd69da7a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern quote=/opt/rustwide/target/debug/deps/libquote-c07b7d56c326c223.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-800fdc9a9b553dde.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `strum`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `./time_rustc.sh --crate-name strum /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/strum-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=1420937ec60d8483 -C extra-filename=-1420937ec60d8483 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `backtrace-sys`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `./time_rustc.sh --crate-name backtrace_sys /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-sys-0.1.37/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="backtrace-sys"' -C metadata=0d13f2164b9aacf3 -C extra-filename=-0d13f2164b9aacf3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-8a35ab49e145bafa.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/backtrace-sys-f46c8049f19b83c7/out --cfg rbt -l static=backtrace` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `"docker" "inspect" "fbc982cb8c8a2beb80626745c132fd6d8c362720bf582a603d61c78b5da48c54"`
[INFO] running `"docker" "rm" "-f" "fbc982cb8c8a2beb80626745c132fd6d8c362720bf582a603d61c78b5da48c54"`
[INFO] [stdout] fbc982cb8c8a2beb80626745c132fd6d8c362720bf582a603d61c78b5da48c54