[INFO] cloning repository https://github.com/jplhomer/advent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jplhomer/advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplhomer%2Fadvent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplhomer%2Fadvent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f86c9630e1969d19f99402140d169e50af7d2b89
[INFO] checking jplhomer/advent against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjplhomer%2Fadvent" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jplhomer/advent
[INFO] finished tweaking git repo https://github.com/jplhomer/advent
[INFO] tweaked toml for git repo https://github.com/jplhomer/advent written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jplhomer/advent on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jplhomer/advent 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63c8dfad7d78715e2eda43edaad8fbdb2105fc18c3aecb7b77b8c50bb3db9ef4
[INFO] running `Command { std: "docker" "start" "-a" "63c8dfad7d78715e2eda43edaad8fbdb2105fc18c3aecb7b77b8c50bb3db9ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63c8dfad7d78715e2eda43edaad8fbdb2105fc18c3aecb7b77b8c50bb3db9ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c8dfad7d78715e2eda43edaad8fbdb2105fc18c3aecb7b77b8c50bb3db9ef4", kill_on_drop: false }`
[INFO] [stdout] 63c8dfad7d78715e2eda43edaad8fbdb2105fc18c3aecb7b77b8c50bb3db9ef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b490532eb06760277b83f0e15a007e0797d2abaa4093540cf766bb7ca31bff
[INFO] running `Command { std: "docker" "start" "-a" "c9b490532eb06760277b83f0e15a007e0797d2abaa4093540cf766bb7ca31bff", kill_on_drop: false }`
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:159:37
[INFO] [stdout]     |
[INFO] [stdout] 159 |             possible_games.push(game.clone());
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Game` does not implement `Clone`, so calling `clone` on `&Game` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 159 -             possible_games.push(game.clone());
[INFO] [stdout] 159 +             possible_games.push(game);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Game`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 173 + #[derive(Clone)]
[INFO] [stdout] 174 | struct Game {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:159:37
[INFO] [stdout]     |
[INFO] [stdout] 159 |             possible_games.push(game.clone());
[INFO] [stdout]     |                                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Game` does not implement `Clone`, so calling `clone` on `&Game` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 159 -             possible_games.push(game.clone());
[INFO] [stdout] 159 +             possible_games.push(game);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `Game`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout] 173 + #[derive(Clone)]
[INFO] [stdout] 174 | struct Game {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "c9b490532eb06760277b83f0e15a007e0797d2abaa4093540cf766bb7ca31bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b490532eb06760277b83f0e15a007e0797d2abaa4093540cf766bb7ca31bff", kill_on_drop: false }`
[INFO] [stdout] c9b490532eb06760277b83f0e15a007e0797d2abaa4093540cf766bb7ca31bff