[INFO] cloning repository https://github.com/jacobjonsson/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/jacobjonsson/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c5393ea20a0b84953d3f0406bcf513033292ec91 [INFO] checking jacobjonsson/advent-of-code-2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobjonsson%2Fadvent-of-code-2020" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jacobjonsson/advent-of-code-2020 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jacobjonsson/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/jacobjonsson/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/jacobjonsson/advent-of-code-2020 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jacobjonsson/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9d292fb8c6debb62bb9dbe9651d551e5c7c879b79fa04561ca9e210401d1968 [INFO] running `Command { std: "docker" "start" "-a" "d9d292fb8c6debb62bb9dbe9651d551e5c7c879b79fa04561ca9e210401d1968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9d292fb8c6debb62bb9dbe9651d551e5c7c879b79fa04561ca9e210401d1968", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9d292fb8c6debb62bb9dbe9651d551e5c7c879b79fa04561ca9e210401d1968", kill_on_drop: false }` [INFO] [stdout] d9d292fb8c6debb62bb9dbe9651d551e5c7c879b79fa04561ca9e210401d1968 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d847f6d9e832694ca55ffde390c4c84ef8b6b76cf1e618de49961236ab2597a3 [INFO] running `Command { std: "docker" "start" "-a" "d847f6d9e832694ca55ffde390c4c84ef8b6b76cf1e618de49961236ab2597a3", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Compiling standback v0.2.13 [INFO] [stderr] Compiling time v0.2.23 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking advent_of_code v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/./day_14/day_14.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Instruction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 48 | memory: u64, [INFO] [stdout] 49 | value: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/./day_18/day_18.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 16 | kind: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `neighbors` is never read [INFO] [stdout] --> src/./day_20/day_20.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Tile { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | neighbors: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Rule` instead of cloning the inner type [INFO] [stdout] --> src/./day_16/day_16.rs:130:37 [INFO] [stdout] | [INFO] [stdout] 130 | .map(|rule| rule.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Rule` instead of cloning the inner type [INFO] [stdout] --> src/./day_16/day_16.rs:152:45 [INFO] [stdout] | [INFO] [stdout] 152 | ... .map(|rule| rule.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/./day_14/day_14.rs:49:5 [INFO] [stdout] | [INFO] [stdout] 47 | struct Instruction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 48 | memory: u64, [INFO] [stdout] 49 | value: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/./day_18/day_18.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 15 | struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 16 | kind: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `neighbors` is never read [INFO] [stdout] --> src/./day_20/day_20.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 17 | struct Tile { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | neighbors: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Tile` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Rule` instead of cloning the inner type [INFO] [stdout] --> src/./day_16/day_16.rs:130:37 [INFO] [stdout] | [INFO] [stdout] 130 | .map(|rule| rule.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(suspicious_double_ref_op)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Rule` instead of cloning the inner type [INFO] [stdout] --> src/./day_16/day_16.rs:152:45 [INFO] [stdout] | [INFO] [stdout] 152 | ... .map(|rule| rule.clone()) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s [INFO] running `Command { std: "docker" "inspect" "d847f6d9e832694ca55ffde390c4c84ef8b6b76cf1e618de49961236ab2597a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d847f6d9e832694ca55ffde390c4c84ef8b6b76cf1e618de49961236ab2597a3", kill_on_drop: false }` [INFO] [stdout] d847f6d9e832694ca55ffde390c4c84ef8b6b76cf1e618de49961236ab2597a3