[INFO] cloning repository https://github.com/bouncenow/advent-of-code-2018-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bouncenow/advent-of-code-2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouncenow%2Fadvent-of-code-2018-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouncenow%2Fadvent-of-code-2018-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2991f1d3b24cd95b7c252edd89c8d0519ec5312d [INFO] checking bouncenow/advent-of-code-2018-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbouncenow%2Fadvent-of-code-2018-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bouncenow/advent-of-code-2018-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bouncenow/advent-of-code-2018-rust [INFO] finished tweaking git repo https://github.com/bouncenow/advent-of-code-2018-rust [INFO] tweaked toml for git repo https://github.com/bouncenow/advent-of-code-2018-rust written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/bouncenow/advent-of-code-2018-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.49 [INFO] [stderr] Downloaded libc v0.2.45 [INFO] [stderr] Downloaded time v0.1.41 [INFO] [stderr] Downloaded memchr v2.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c8d3d44ab1a9f41d16cafe1c28fcdc3205f358118b392a5a86bbc22aa468f559 [INFO] running `Command { std: "docker" "start" "-a" "c8d3d44ab1a9f41d16cafe1c28fcdc3205f358118b392a5a86bbc22aa468f559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8d3d44ab1a9f41d16cafe1c28fcdc3205f358118b392a5a86bbc22aa468f559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8d3d44ab1a9f41d16cafe1c28fcdc3205f358118b392a5a86bbc22aa468f559", kill_on_drop: false }` [INFO] [stdout] c8d3d44ab1a9f41d16cafe1c28fcdc3205f358118b392a5a86bbc22aa468f559 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4da6f911220d911719b07d0f253db10055f3f4b00e5d7b6683be81f30418eec [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e4da6f911220d911719b07d0f253db10055f3f4b00e5d7b6683be81f30418eec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Checking raoc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ch3.rs:91:25 [INFO] [stdout] | [INFO] [stdout] 91 | fn parse_int(iter: &mut Iterator) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/ch3.rs:95:16 [INFO] [stdout] | [INFO] [stdout] 95 | '0'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/ch3.rs:91:25 [INFO] [stdout] | [INFO] [stdout] 91 | fn parse_int(iter: &mut Iterator) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/ch3.rs:95:16 [INFO] [stdout] | [INFO] [stdout] 95 | '0'...'9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim` that must be used [INFO] [stdout] --> src/ch5.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | polymers.trim(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `core::str::::trim` that must be used [INFO] [stdout] --> src/ch5.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | polymers.trim(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.10s [INFO] running `Command { std: "docker" "inspect" "e4da6f911220d911719b07d0f253db10055f3f4b00e5d7b6683be81f30418eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4da6f911220d911719b07d0f253db10055f3f4b00e5d7b6683be81f30418eec", kill_on_drop: false }` [INFO] [stdout] e4da6f911220d911719b07d0f253db10055f3f4b00e5d7b6683be81f30418eec