[INFO] updating cached repository https://github.com/natemara/schwift
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fb285ead55f12761f1e808d170a4644b77cc716
[INFO] checking natemara/schwift against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatemara%2Fschwift" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natemara/schwift on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/natemara/schwift
[INFO] finished tweaking git repo https://github.com/natemara/schwift
[INFO] tweaked toml for git repo https://github.com/natemara/schwift written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/natemara/schwift already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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=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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 5226175cb955ce867952e5e279506a40d32cf1093eda88fa2d602c875552898e
[INFO] running `"docker" "start" "-a" "5226175cb955ce867952e5e279506a40d32cf1093eda88fa2d602c875552898e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]     Checking schwift v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `"docker" "inspect" "5226175cb955ce867952e5e279506a40d32cf1093eda88fa2d602c875552898e"`
[INFO] running `"docker" "rm" "-f" "5226175cb955ce867952e5e279506a40d32cf1093eda88fa2d602c875552898e"`
[INFO] [stdout] 5226175cb955ce867952e5e279506a40d32cf1093eda88fa2d602c875552898e