[INFO] cloning repository https://github.com/twigoftilia/advent_of_code_2018_twigoftilia [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twigoftilia/advent_of_code_2018_twigoftilia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7d40b16de4b3e7d7e9d88d28b5bc07aabad25c7 [INFO] checking twigoftilia/advent_of_code_2018_twigoftilia against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia [INFO] finished tweaking git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia [INFO] tweaked toml for git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d99c21ff72a87d433ba12f18cb6c107789c5c18ed787f43801e2676937cd518 [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" "1d99c21ff72a87d433ba12f18cb6c107789c5c18ed787f43801e2676937cd518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d99c21ff72a87d433ba12f18cb6c107789c5c18ed787f43801e2676937cd518", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d99c21ff72a87d433ba12f18cb6c107789c5c18ed787f43801e2676937cd518", kill_on_drop: false }` [INFO] [stdout] 1d99c21ff72a87d433ba12f18cb6c107789c5c18ed787f43801e2676937cd518 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1b6a46b3f284dd2c3847a813b721a9116d122224b7af7a0203d2c87871ca29a5 [INFO] running `Command { std: "docker" "start" "-a" "1b6a46b3f284dd2c3847a813b721a9116d122224b7af7a0203d2c87871ca29a5", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking strum v0.12.0 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking regex v1.1.0 [INFO] [stderr] Compiling strum_macros v0.12.0 [INFO] [stderr] Checking advent_of_code_2018_twigoftilia v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/util.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | Error::description(&why) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/util.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | Error::description(&why) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` 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 21.57s [INFO] running `Command { std: "docker" "inspect" "1b6a46b3f284dd2c3847a813b721a9116d122224b7af7a0203d2c87871ca29a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b6a46b3f284dd2c3847a813b721a9116d122224b7af7a0203d2c87871ca29a5", kill_on_drop: false }` [INFO] [stdout] 1b6a46b3f284dd2c3847a813b721a9116d122224b7af7a0203d2c87871ca29a5