[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#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwigoftilia%2Fadvent_of_code_2018_twigoftilia" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twigoftilia/advent_of_code_2018_twigoftilia on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-2/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b19b411e47b9cf1f0709e5aa42977bedb36f96711ca39ff017b3d9eea59f746 [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" "1b19b411e47b9cf1f0709e5aa42977bedb36f96711ca39ff017b3d9eea59f746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b19b411e47b9cf1f0709e5aa42977bedb36f96711ca39ff017b3d9eea59f746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b19b411e47b9cf1f0709e5aa42977bedb36f96711ca39ff017b3d9eea59f746", kill_on_drop: false }` [INFO] [stdout] 1b19b411e47b9cf1f0709e5aa42977bedb36f96711ca39ff017b3d9eea59f746 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f9fd801299d41eb9d3f10730a3d37ae6729757bf46754ce905c7c5aa074747d [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" "4f9fd801299d41eb9d3f10730a3d37ae6729757bf46754ce905c7c5aa074747d", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking strum v0.12.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.23 [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 20.88s [INFO] running `Command { std: "docker" "inspect" "4f9fd801299d41eb9d3f10730a3d37ae6729757bf46754ce905c7c5aa074747d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f9fd801299d41eb9d3f10730a3d37ae6729757bf46754ce905c7c5aa074747d", kill_on_drop: false }` [INFO] [stdout] 4f9fd801299d41eb9d3f10730a3d37ae6729757bf46754ce905c7c5aa074747d