[INFO] cloning repository https://github.com/williamitz/rust_modulos
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/williamitz/rust_modulos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamitz%2Frust_modulos"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamitz%2Frust_modulos'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a439acb87e244558f3f7756d6235e55e17790bb4
[INFO] checking williamitz/rust_modulos against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilliamitz%2Frust_modulos" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/williamitz/rust_modulos on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/williamitz/rust_modulos
[INFO] finished tweaking git repo https://github.com/williamitz/rust_modulos
[INFO] tweaked toml for git repo https://github.com/williamitz/rust_modulos written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/williamitz/rust_modulos already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "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] 383d821faaef5eae454c5eb8bcf0b54113fb90bdf85b3c80fb2743153c74e4c4
[INFO] running `"docker" "start" "-a" "383d821faaef5eae454c5eb8bcf0b54113fb90bdf85b3c80fb2743153c74e4c4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking game_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]  --> src/game/rest_game.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut v = vec![1,2,3];
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]  --> src/game/rest_game.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |         let mut v = vec![1,2,3];
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "383d821faaef5eae454c5eb8bcf0b54113fb90bdf85b3c80fb2743153c74e4c4"`
[INFO] running `"docker" "rm" "-f" "383d821faaef5eae454c5eb8bcf0b54113fb90bdf85b3c80fb2743153c74e4c4"`
[INFO] [stdout] 383d821faaef5eae454c5eb8bcf0b54113fb90bdf85b3c80fb2743153c74e4c4