[INFO] cloning repository https://github.com/Rohrschacht/hashfilter
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rohrschacht/hashfilter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohrschacht%2Fhashfilter"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohrschacht%2Fhashfilter'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b43d7832cad729746d31fc51698a25eaa1722eb
[INFO] checking Rohrschacht/hashfilter against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRohrschacht%2Fhashfilter" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rohrschacht/hashfilter on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Rohrschacht/hashfilter
[INFO] finished tweaking git repo https://github.com/Rohrschacht/hashfilter
[INFO] tweaked toml for git repo https://github.com/Rohrschacht/hashfilter written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Rohrschacht/hashfilter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] 96c3dd1e6507eadde4a94f6ce0869bc36d0d505b613dc36488f7c6fcb165b0e1
[INFO] running `"docker" "start" "-a" "96c3dd1e6507eadde4a94f6ce0869bc36d0d505b613dc36488f7c6fcb165b0e1"`
[INFO] [stderr]     Checking arkhash v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/update.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let mut file = OpenOptions::new().create(true).append(true).open(filepath);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/update.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let mut file = OpenOptions::new().create(true).append(true).open(filepath);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "96c3dd1e6507eadde4a94f6ce0869bc36d0d505b613dc36488f7c6fcb165b0e1"`
[INFO] running `"docker" "rm" "-f" "96c3dd1e6507eadde4a94f6ce0869bc36d0d505b613dc36488f7c6fcb165b0e1"`
[INFO] [stdout] 96c3dd1e6507eadde4a94f6ce0869bc36d0d505b613dc36488f7c6fcb165b0e1