[INFO] updating cached repository https://github.com/peterdelevoryas/rcx
[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] e21216b08c8f9e9288b50e4dcadf53d423c3006e
[INFO] checking peterdelevoryas/rcx against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterdelevoryas%2Frcx" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterdelevoryas/rcx on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/peterdelevoryas/rcx
[INFO] finished tweaking git repo https://github.com/peterdelevoryas/rcx
[INFO] tweaked toml for git repo https://github.com/peterdelevoryas/rcx written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/peterdelevoryas/rcx already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] 2b78e59b4425b3a805518f624714c3eee3b3043c969e2f7917dfa0e6291674a1
[INFO] running `"docker" "start" "-a" "2b78e59b4425b3a805518f624714c3eee3b3043c969e2f7917dfa0e6291674a1"`
[INFO] [stderr]    Compiling cranelift-entity v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking string-interner v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling target-lexicon v0.8.1
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking cranelift-bforest v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking faerie v0.11.0
[INFO] [stderr]    Compiling cranelift-codegen v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking cranelift-module v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking cranelift-frontend v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking cranelift-faerie v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking cranelift v0.42.0 (https://github.com/CraneStation/cranelift#08475219)
[INFO] [stderr]     Checking rcx v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `cranelift::codegen::Context`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use cranelift::codegen::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cranelift::codegen::Context`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use cranelift::codegen::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `"docker" "inspect" "2b78e59b4425b3a805518f624714c3eee3b3043c969e2f7917dfa0e6291674a1"`
[INFO] running `"docker" "rm" "-f" "2b78e59b4425b3a805518f624714c3eee3b3043c969e2f7917dfa0e6291674a1"`
[INFO] [stdout] 2b78e59b4425b3a805518f624714c3eee3b3043c969e2f7917dfa0e6291674a1