[INFO] cloning repository https://github.com/jonathanlofgren/advent_of_code_2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonathanlofgren/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fadvent_of_code_2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fadvent_of_code_2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2bdee1bac231ee5e88317ed957de8123e5b640fc [INFO] checking jonathanlofgren/advent_of_code_2020 against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonathanlofgren%2Fadvent_of_code_2020" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jonathanlofgren/advent_of_code_2020 [INFO] finished tweaking git repo https://github.com/jonathanlofgren/advent_of_code_2020 [INFO] tweaked toml for git repo https://github.com/jonathanlofgren/advent_of_code_2020 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jonathanlofgren/advent_of_code_2020 on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jonathanlofgren/advent_of_code_2020 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c4401cc97fc5c919b81255edd063bebb2817fbbb348c1dbaf874529e74e076c [INFO] running `Command { std: "docker" "start" "-a" "1c4401cc97fc5c919b81255edd063bebb2817fbbb348c1dbaf874529e74e076c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c4401cc97fc5c919b81255edd063bebb2817fbbb348c1dbaf874529e74e076c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c4401cc97fc5c919b81255edd063bebb2817fbbb348c1dbaf874529e74e076c", kill_on_drop: false }` [INFO] [stdout] 1c4401cc97fc5c919b81255edd063bebb2817fbbb348c1dbaf874529e74e076c [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 82b3e66a46828162b25093fb4b8485a64f2a988ae981ca83f0522a399a16e110 [INFO] running `Command { std: "docker" "start" "-a" "82b3e66a46828162b25093fb4b8485a64f2a988ae981ca83f0522a399a16e110", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking advent_of_code v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/day_7.rs:52:65 [INFO] [stdout] | [INFO] [stdout] 52 | .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone())) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Vec` does not implement `Clone`, so calling `clone` on `&Vec` 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] 52 - .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone())) [INFO] [stdout] 52 + .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap())) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/day_7.rs:52:65 [INFO] [stdout] | [INFO] [stdout] 52 | .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone())) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `Vec` does not implement `Clone`, so calling `clone` on `&Vec` 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] 52 - .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap().clone())) [INFO] [stdout] 52 + .map(|r| (r.bag.clone(), r.can_contain.as_ref().unwrap())) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s [INFO] running `Command { std: "docker" "inspect" "82b3e66a46828162b25093fb4b8485a64f2a988ae981ca83f0522a399a16e110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82b3e66a46828162b25093fb4b8485a64f2a988ae981ca83f0522a399a16e110", kill_on_drop: false }` [INFO] [stdout] 82b3e66a46828162b25093fb4b8485a64f2a988ae981ca83f0522a399a16e110