[INFO] cloning repository https://github.com/jacobian/advent2018-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobian/advent2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a73e1a877da7de2158c97e48494fd7515b4bad5 [INFO] checking jacobian/advent2018-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobian%2Fadvent2018-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jacobian/advent2018-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jacobian/advent2018-rust [INFO] finished tweaking git repo https://github.com/jacobian/advent2018-rust [INFO] tweaked toml for git repo https://github.com/jacobian/advent2018-rust written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/jacobian/advent2018-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f1c51eeab76817d0e9b9f7523cdf1ef221ef56954d9ccc20d775af8861266a8 [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" "3f1c51eeab76817d0e9b9f7523cdf1ef221ef56954d9ccc20d775af8861266a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f1c51eeab76817d0e9b9f7523cdf1ef221ef56954d9ccc20d775af8861266a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f1c51eeab76817d0e9b9f7523cdf1ef221ef56954d9ccc20d775af8861266a8", kill_on_drop: false }` [INFO] [stdout] 3f1c51eeab76817d0e9b9f7523cdf1ef221ef56954d9ccc20d775af8861266a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 494608043ef08a04ef9de63eb878b8619212cb20d7d1f3e2357634ebed944ed9 [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" "494608043ef08a04ef9de63eb878b8619212cb20d7d1f3e2357634ebed944ed9", kill_on_drop: false }` [INFO] [stderr] Checking utils v0.1.0 (/opt/rustwide/workdir/utils) [INFO] [stderr] Compiling libc v0.2.46 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking advent2_2 v0.1.0 (/opt/rustwide/workdir/advent2_2) [INFO] [stderr] Checking advent2_1 v0.1.0 (/opt/rustwide/workdir/advent2_1) [INFO] [stderr] Checking advent1_1 v0.1.0 (/opt/rustwide/workdir/advent1_1) [INFO] [stderr] Checking advent5_1 v0.1.0 (/opt/rustwide/workdir/advent5_1) [INFO] [stderr] Checking advent1_2 v0.1.0 (/opt/rustwide/workdir/advent1_2) [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> advent2_1/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> advent2_1/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> advent2_2/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> advent2_2/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Checking advent3_2 v0.1.0 (/opt/rustwide/workdir/advent3_2) [INFO] [stderr] Checking advent4_1 v0.1.0 (/opt/rustwide/workdir/advent4_1) [INFO] [stderr] Checking advent3_1 v0.1.0 (/opt/rustwide/workdir/advent3_1) [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> advent4_1/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> advent4_1/src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.10s [INFO] running `Command { std: "docker" "inspect" "494608043ef08a04ef9de63eb878b8619212cb20d7d1f3e2357634ebed944ed9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "494608043ef08a04ef9de63eb878b8619212cb20d7d1f3e2357634ebed944ed9", kill_on_drop: false }` [INFO] [stdout] 494608043ef08a04ef9de63eb878b8619212cb20d7d1f3e2357634ebed944ed9