[INFO] cloning repository https://github.com/lreynolds18/AOC [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lreynolds18/AOC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2FAOC"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2FAOC'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 441e7b46e56d9b506c2bd51c0c5848efb457d2fe [INFO] checking lreynolds18/AOC against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flreynolds18%2FAOC" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lreynolds18/AOC on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lreynolds18/AOC [INFO] finished tweaking git repo https://github.com/lreynolds18/AOC [INFO] tweaked toml for git repo https://github.com/lreynolds18/AOC written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/lreynolds18/AOC already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] e06299aaa67e27e67358feb07247c943128168fbfbcd41c70f293e348ff89194 [INFO] running `"docker" "start" "-a" "e06299aaa67e27e67358feb07247c943128168fbfbcd41c70f293e348ff89194"` [INFO] [stderr] Checking aoc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/code/helper.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let mut id: i32 = split_by_whitespace[0] [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/code/day02.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let mut diff = difference_between_two_strings(&line1, &line2); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/code/helper.rs:53:9 [INFO] [stderr] | [INFO] [stderr] 53 | let mut id: i32 = split_by_whitespace[0] [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/code/day05.rs:6:7 [INFO] [stderr] | [INFO] [stderr] 6 | let mut v: Vec = file_to_string(path).unwrap().chars().collect(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/code/day05.rs:26:7 [INFO] [stderr] | [INFO] [stderr] 26 | let mut v: Vec = file_to_string(path).unwrap().chars().collect(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/code/day02.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | let mut diff = difference_between_two_strings(&line1, &line2); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/code/day05.rs:6:7 [INFO] [stderr] | [INFO] [stderr] 6 | let mut v: Vec = file_to_string(path).unwrap().chars().collect(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/code/day05.rs:26:7 [INFO] [stderr] | [INFO] [stderr] 26 | let mut v: Vec = file_to_string(path).unwrap().chars().collect(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `"docker" "inspect" "e06299aaa67e27e67358feb07247c943128168fbfbcd41c70f293e348ff89194"` [INFO] running `"docker" "rm" "-f" "e06299aaa67e27e67358feb07247c943128168fbfbcd41c70f293e348ff89194"` [INFO] [stdout] e06299aaa67e27e67358feb07247c943128168fbfbcd41c70f293e348ff89194