[INFO] cloning repository https://github.com/mthom/rusty-wam
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mthom/rusty-wam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b1879a6fa348b7f79b9c81ddacd3e68ce46a115
[INFO] checking mthom/rusty-wam against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam" "/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/mthom/rusty-wam on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mthom/rusty-wam
[INFO] finished tweaking git repo https://github.com/mthom/rusty-wam
[INFO] tweaked toml for git repo https://github.com/mthom/rusty-wam written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] effe7e36fb59abaaf9b0f2ba7cb835653031c737cc5055dcff05d59ca0a63a0a
[INFO] running `"docker" "start" "-a" "effe7e36fb59abaaf9b0f2ba7cb835653031c737cc5055dcff05d59ca0a63a0a"`
[INFO] [stderr]    Compiling rug v1.6.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling scryer-prolog v0.8.115 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lexical-core v0.4.6
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.1.14
[INFO] [stderr]     Checking lexical v2.2.2
[INFO] [stderr]     Checking rustyline v5.0.3
[INFO] [stderr]     Checking prolog_parser v0.8.33
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 23s
[INFO] running `"docker" "inspect" "effe7e36fb59abaaf9b0f2ba7cb835653031c737cc5055dcff05d59ca0a63a0a"`
[INFO] running `"docker" "rm" "-f" "effe7e36fb59abaaf9b0f2ba7cb835653031c737cc5055dcff05d59ca0a63a0a"`
[INFO] [stdout] effe7e36fb59abaaf9b0f2ba7cb835653031c737cc5055dcff05d59ca0a63a0a