[INFO] cloning repository https://github.com/drguildo/adventofcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drguildo/adventofcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrguildo%2Fadventofcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrguildo%2Fadventofcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a415c459372ad405ae9be017b8bf613764c23bc
[INFO] checking drguildo/adventofcode against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrguildo%2Fadventofcode" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drguildo/adventofcode on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drguildo/adventofcode
[INFO] finished tweaking git repo https://github.com/drguildo/adventofcode
[INFO] tweaked toml for git repo https://github.com/drguildo/adventofcode written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/drguildo/adventofcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1499ee657895876355be4545ef0e80ee15f8bedc34fadeadbcd55971be891d27
[INFO] running `Command { std: "docker" "start" "-a" "1499ee657895876355be4545ef0e80ee15f8bedc34fadeadbcd55971be891d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1499ee657895876355be4545ef0e80ee15f8bedc34fadeadbcd55971be891d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1499ee657895876355be4545ef0e80ee15f8bedc34fadeadbcd55971be891d27", kill_on_drop: false }`
[INFO] [stdout] 1499ee657895876355be4545ef0e80ee15f8bedc34fadeadbcd55971be891d27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 932297a879f9b0040023d2ae9c78f4cbfa553626ff5966d097f88a65448c41e7
[INFO] running `Command { std: "docker" "start" "-a" "932297a879f9b0040023d2ae9c78f4cbfa553626ff5966d097f88a65448c41e7", kill_on_drop: false }`
[INFO] [stderr]     Checking adventofcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day3.rs:88:37
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut potential_oxygen = input.clone().to_vec();
[INFO] [stdout]    |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/day3.rs:88:37
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut potential_oxygen = input.clone().to_vec();
[INFO] [stdout]    |                                     ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/day3.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut potential_co2 = input.clone().to_vec();
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/day3.rs:105:34
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut potential_co2 = input.clone().to_vec();
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "932297a879f9b0040023d2ae9c78f4cbfa553626ff5966d097f88a65448c41e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932297a879f9b0040023d2ae9c78f4cbfa553626ff5966d097f88a65448c41e7", kill_on_drop: false }`
[INFO] [stdout] 932297a879f9b0040023d2ae9c78f4cbfa553626ff5966d097f88a65448c41e7