[INFO] cloning repository https://github.com/ghusse/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/ghusse/advent-of-code-2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghusse%2Fadvent-of-code-2018-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghusse%2Fadvent-of-code-2018-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d310ec9de346e0152ecf618548026697f9f9ae52
[INFO] testing ghusse/advent-of-code-2018-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fghusse%2Fadvent-of-code-2018-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ghusse/advent-of-code-2018-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ghusse/advent-of-code-2018-rust
[INFO] finished tweaking git repo https://github.com/ghusse/advent-of-code-2018-rust
[INFO] tweaked toml for git repo https://github.com/ghusse/advent-of-code-2018-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ghusse/advent-of-code-2018-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c488d4eed00e88be65e899730ff510e3d881ba8b967b7bbf8d5f0d98f05a213f
[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" "c488d4eed00e88be65e899730ff510e3d881ba8b967b7bbf8d5f0d98f05a213f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c488d4eed00e88be65e899730ff510e3d881ba8b967b7bbf8d5f0d98f05a213f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c488d4eed00e88be65e899730ff510e3d881ba8b967b7bbf8d5f0d98f05a213f", kill_on_drop: false }`
[INFO] [stdout] c488d4eed00e88be65e899730ff510e3d881ba8b967b7bbf8d5f0d98f05a213f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f481265336786ceda62376238b4ab538da3a9f83ebeb76b9799f703a7332212
[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" "1f481265336786ceda62376238b4ab538da3a9f83ebeb76b9799f703a7332212", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling pad v0.1.5
[INFO] [stderr]    Compiling iso8601 v0.1.1
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling quickersort v3.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling datetime v0.4.7
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_13/mod.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     for mut i in 0..len {
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "1f481265336786ceda62376238b4ab538da3a9f83ebeb76b9799f703a7332212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f481265336786ceda62376238b4ab538da3a9f83ebeb76b9799f703a7332212", kill_on_drop: false }`
[INFO] [stdout] 1f481265336786ceda62376238b4ab538da3a9f83ebeb76b9799f703a7332212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c6d609de1a2034d0673d2c82363ef13bb04409f786729f5df5613687c1b445
[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" "23c6d609de1a2034d0673d2c82363ef13bb04409f786729f5df5613687c1b445", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_13/mod.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     for mut i in 0..len {
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "23c6d609de1a2034d0673d2c82363ef13bb04409f786729f5df5613687c1b445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c6d609de1a2034d0673d2c82363ef13bb04409f786729f5df5613687c1b445", kill_on_drop: false }`
[INFO] [stdout] 23c6d609de1a2034d0673d2c82363ef13bb04409f786729f5df5613687c1b445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 972c556c7793a31e610c46aa69cde464cb74235249ffe287b0e4000277bf073e
[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" "972c556c7793a31e610c46aa69cde464cb74235249ffe287b0e4000277bf073e", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_13/mod.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     for mut i in 0..len {
[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: `advent` (bin "advent" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent-962a8e8f21824aff)
[INFO] [stdout] running 14 tests
[INFO] [stdout] test day_11::test::test1 ... ok
[INFO] [stdout] test day_8::test::test1 ... ok
[INFO] [stdout] test day_13::test::test2 ... ok
[INFO] [stdout] test day_8::test::test2 ... ok
[INFO] [stdout] test day_13::test::test1 ... ok
[INFO] [stdout] test day_11::test::test2 ... ok
[INFO] [stdout] test day_12::test::test1 ... ok
[INFO] [stdout] test day_12::test::test2 ... ok
[INFO] [stdout] test day_12::test::test3 ... ok
[INFO] [stdout] test day_11::test::test3 ... ok
[INFO] [stdout] test day_9::test::test1 ... ok
[INFO] [stdout] test day_12::test::test4 ... ok
[INFO] [stdout] test day_11::test::test5 ... ok
[INFO] [stdout] test day_11::test::test4 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "972c556c7793a31e610c46aa69cde464cb74235249ffe287b0e4000277bf073e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972c556c7793a31e610c46aa69cde464cb74235249ffe287b0e4000277bf073e", kill_on_drop: false }`
[INFO] [stdout] 972c556c7793a31e610c46aa69cde464cb74235249ffe287b0e4000277bf073e