[INFO] cloning repository https://github.com/MoritzKn/mol-lang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoritzKn/mol-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzKn%2Fmol-lang"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzKn%2Fmol-lang'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2757fbb95dd4fc48ad12b33dacb224d974b11e1c
[INFO] checking MoritzKn/mol-lang against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoritzKn%2Fmol-lang" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoritzKn/mol-lang on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/MoritzKn/mol-lang
[INFO] finished tweaking git repo https://github.com/MoritzKn/mol-lang
[INFO] tweaked toml for git repo https://github.com/MoritzKn/mol-lang written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/MoritzKn/mol-lang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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] cfd2f3d0c5471ec90dba6bb430fd1e56f1c4ab0620b8f1383a2a445ad3427fcd
[INFO] running `"docker" "start" "-a" "cfd2f3d0c5471ec90dba6bb430fd1e56f1c4ab0620b8f1383a2a445ad3427fcd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking utf8parse v0.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling mol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v5.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.71s
[INFO] running `"docker" "inspect" "cfd2f3d0c5471ec90dba6bb430fd1e56f1c4ab0620b8f1383a2a445ad3427fcd"`
[INFO] running `"docker" "rm" "-f" "cfd2f3d0c5471ec90dba6bb430fd1e56f1c4ab0620b8f1383a2a445ad3427fcd"`
[INFO] [stdout] cfd2f3d0c5471ec90dba6bb430fd1e56f1c4ab0620b8f1383a2a445ad3427fcd