[INFO] cloning repository https://github.com/jakubfijalkowski/aoc_2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakubfijalkowski/aoc_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubfijalkowski%2Faoc_2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubfijalkowski%2Faoc_2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74918cff5b2742992e35fdc79afbef6b0bc95abb [INFO] checking jakubfijalkowski/aoc_2020 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubfijalkowski%2Faoc_2020" "/workspace/builds/worker-108/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakubfijalkowski/aoc_2020 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakubfijalkowski/aoc_2020 [INFO] finished tweaking git repo https://github.com/jakubfijalkowski/aoc_2020 [INFO] tweaked toml for git repo https://github.com/jakubfijalkowski/aoc_2020 written to /workspace/builds/worker-108/source/Cargo.toml [INFO] crate git repo https://github.com/jakubfijalkowski/aoc_2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df445d8711dc843d86b5a234830c76602dddadd676c156f3f8734f01c24c4cfc [INFO] running `Command { std: "docker" "start" "-a" "df445d8711dc843d86b5a234830c76602dddadd676c156f3f8734f01c24c4cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df445d8711dc843d86b5a234830c76602dddadd676c156f3f8734f01c24c4cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df445d8711dc843d86b5a234830c76602dddadd676c156f3f8734f01c24c4cfc", kill_on_drop: false }` [INFO] [stdout] df445d8711dc843d86b5a234830c76602dddadd676c156f3f8734f01c24c4cfc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59363936d4041be0b9746484364a221c9b4f344ea9990a02c7d1ed0676f53d9a [INFO] running `Command { std: "docker" "start" "-a" "59363936d4041be0b9746484364a221c9b4f344ea9990a02c7d1ed0676f53d9a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.31 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.26 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Compiling anyhow v1.0.34 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking tinyvec v1.1.0 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking form_urlencoded v1.0.0 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking unicode-normalization v0.1.16 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.3.17 [INFO] [stderr] Compiling openssl-sys v0.9.59 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking tokio v0.2.24 [INFO] [stderr] Checking url v2.2.0 [INFO] [stderr] Compiling native-tls v0.2.6 [INFO] [stderr] Checking peg v0.6.3 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Compiling pin-project-internal v1.0.2 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Checking pin-project v1.0.2 [INFO] [stderr] Checking futures-util v0.3.8 [INFO] [stderr] Checking pin-project v0.4.27 [INFO] [stderr] Checking tracing-futures v0.2.4 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking hyper v0.13.9 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.9 [INFO] [stderr] Checking aoc_2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/day20.rs:675:6 [INFO] [stdout] | [INFO] [stdout] 675 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prev` [INFO] [stdout] --> src/bin/day23.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn prev(&self, v: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day23.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(assoc_char_funcs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/day20.rs:675:6 [INFO] [stdout] | [INFO] [stdout] 675 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `map_into_keys_values` has been stable since 1.54.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day24.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_into_keys_values)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `prev` [INFO] [stdout] --> src/bin/day23.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn prev(&self, v: usize) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `assoc_char_funcs` has been stable since 1.52.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day23.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(assoc_char_funcs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day17.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day17.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `map_into_keys_values` has been stable since 1.54.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day24.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_into_keys_values)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day17.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(min_const_generics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `iterator_fold_self` has been stable since 1.51.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/bin/day17.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.97s [INFO] running `Command { std: "docker" "inspect" "59363936d4041be0b9746484364a221c9b4f344ea9990a02c7d1ed0676f53d9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59363936d4041be0b9746484364a221c9b4f344ea9990a02c7d1ed0676f53d9a", kill_on_drop: false }` [INFO] [stdout] 59363936d4041be0b9746484364a221c9b4f344ea9990a02c7d1ed0676f53d9a