[INFO] updating cached repository https://github.com/Mark-Simulacrum/advent-of-code [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2179769a0a115d48c6616e25a41c6de0a189cd9d [INFO] checking Mark-Simulacrum/advent-of-code against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Fadvent-of-code" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Mark-Simulacrum/advent-of-code on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/Mark-Simulacrum/advent-of-code [INFO] removed workspace from git repo https://github.com/Mark-Simulacrum/advent-of-code [INFO] finished tweaking git repo https://github.com/Mark-Simulacrum/advent-of-code [INFO] tweaked toml for git repo https://github.com/Mark-Simulacrum/advent-of-code written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/Mark-Simulacrum/advent-of-code already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cc23a924aef606d8d7ada09f564ed2306be62bf51e20004127cfcff6066c88cc [INFO] running `"docker" "start" "-a" "cc23a924aef606d8d7ada09f564ed2306be62bf51e20004127cfcff6066c88cc"` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking hamming v0.1.3 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking primal-estimate v0.2.1 [INFO] [stderr] Compiling openssl v0.10.29 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking rand_core v0.2.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking packed_simd v0.3.3 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking primal-bit v0.2.4 [INFO] [stderr] Checking primal-sieve v0.2.9 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Compiling openssl-sys v0.9.55 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Checking primal-check v0.2.3 [INFO] [stderr] Checking primal v0.2.3 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking quickcheck v0.7.2 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking advent-of-code v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::::trim_left': superseded by `trim_start` [INFO] [stderr] --> src/bin/y2016/day12.rs:32:28 [INFO] [stderr] | [INFO] [stderr] 32 | let first_word = s.trim_left().split(' ').next().unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::::trim_left': superseded by `trim_start` [INFO] [stderr] --> src/bin/y2016/day22.rs:129:50 [INFO] [stderr] | [INFO] [stderr] 129 | let size = without_prefix[..first_t].trim_left().parse().unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::::trim_left': superseded by `trim_start` [INFO] [stderr] --> src/bin/y2016/day12.rs:32:28 [INFO] [stderr] | [INFO] [stderr] 32 | let first_word = s.trim_left().split(' ').next().unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2016/day10.rs:38:21 [INFO] [stderr] | [INFO] [stderr] 38 | let mut chips = &mut bots[n as usize].chips; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'bitflags::core::str::::trim_left': superseded by `trim_start` [INFO] [stderr] --> src/bin/y2016/day22.rs:129:50 [INFO] [stderr] | [INFO] [stderr] 129 | let size = without_prefix[..first_t].trim_left().parse().unwrap(); [INFO] [stderr] | ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start` [INFO] [stderr] [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/bin/y2016/day05.rs:55:24 [INFO] [stderr] | [INFO] [stderr] 55 | return out.into_iter() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2017/day16.rs:54:25 [INFO] [stderr] | [INFO] [stderr] 54 | let mut a = instr.as_bytes()[1]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2017/day16.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | let mut b = instr.as_bytes()[3]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2017/day21.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | let mut map = if patterns[0].size == 2 { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2016/day10.rs:38:21 [INFO] [stderr] | [INFO] [stderr] 38 | let mut chips = &mut bots[n as usize].chips; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stderr] --> src/bin/y2016/day05.rs:55:24 [INFO] [stderr] | [INFO] [stderr] 55 | return out.into_iter() [INFO] [stderr] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(array_into_iter)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #66145 [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2017/day16.rs:54:25 [INFO] [stderr] | [INFO] [stderr] 54 | let mut a = instr.as_bytes()[1]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2017/day16.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | let mut b = instr.as_bytes()[3]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/y2017/day21.rs:93:13 [INFO] [stderr] | [INFO] [stderr] 93 | let mut map = if patterns[0].size == 2 { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 52.27s [INFO] running `"docker" "inspect" "cc23a924aef606d8d7ada09f564ed2306be62bf51e20004127cfcff6066c88cc"` [INFO] running `"docker" "rm" "-f" "cc23a924aef606d8d7ada09f564ed2306be62bf51e20004127cfcff6066c88cc"` [INFO] [stdout] cc23a924aef606d8d7ada09f564ed2306be62bf51e20004127cfcff6066c88cc