[INFO] cloning repository https://github.com/jingfee/advent-of-code-2015
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jingfee/advent-of-code-2015" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjingfee%2Fadvent-of-code-2015", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjingfee%2Fadvent-of-code-2015'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e000506df216e32daa55ccf28b5039481049f0cb
[INFO] testing jingfee/advent-of-code-2015 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjingfee%2Fadvent-of-code-2015" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jingfee/advent-of-code-2015 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jingfee/advent-of-code-2015
[INFO] finished tweaking git repo https://github.com/jingfee/advent-of-code-2015
[INFO] tweaked toml for git repo https://github.com/jingfee/advent-of-code-2015 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jingfee/advent-of-code-2015 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 985be3be9fce91abcb4cc4c0f2fbd0b096cd9f80bb755ec6d9481d1dcf0503c9
[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" "985be3be9fce91abcb4cc4c0f2fbd0b096cd9f80bb755ec6d9481d1dcf0503c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "985be3be9fce91abcb4cc4c0f2fbd0b096cd9f80bb755ec6d9481d1dcf0503c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985be3be9fce91abcb4cc4c0f2fbd0b096cd9f80bb755ec6d9481d1dcf0503c9", kill_on_drop: false }`
[INFO] [stdout] 985be3be9fce91abcb4cc4c0f2fbd0b096cd9f80bb755ec6d9481d1dcf0503c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eff79e441de84cd29982ce7aee4fc86b7f8660bd54ce0a2f27a00687c9e631ce
[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" "eff79e441de84cd29982ce7aee4fc86b7f8660bd54ce0a2f27a00687c9e631ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]    Compiling advent-of-code-2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/y2015/day11.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut bytes = password.to_string().into_bytes();
[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 8.67s
[INFO] running `Command { std: "docker" "inspect" "eff79e441de84cd29982ce7aee4fc86b7f8660bd54ce0a2f27a00687c9e631ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eff79e441de84cd29982ce7aee4fc86b7f8660bd54ce0a2f27a00687c9e631ce", kill_on_drop: false }`
[INFO] [stdout] eff79e441de84cd29982ce7aee4fc86b7f8660bd54ce0a2f27a00687c9e631ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df109e91161ca1cc7ddb21d792678e65ec8ccfd857f96fa71e26627522b50118
[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" "df109e91161ca1cc7ddb21d792678e65ec8ccfd857f96fa71e26627522b50118", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/y2015/day11.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let mut bytes = password.to_string().into_bytes();
[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 2.82s
[INFO] running `Command { std: "docker" "inspect" "df109e91161ca1cc7ddb21d792678e65ec8ccfd857f96fa71e26627522b50118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df109e91161ca1cc7ddb21d792678e65ec8ccfd857f96fa71e26627522b50118", kill_on_drop: false }`
[INFO] [stdout] df109e91161ca1cc7ddb21d792678e65ec8ccfd857f96fa71e26627522b50118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cf349e1a03ddc197c9c4917dcefe6ca916e3b9bc52d99790b6e8637e72dc07f
[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" "2cf349e1a03ddc197c9c4917dcefe6ca916e3b9bc52d99790b6e8637e72dc07f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/y2015/day11.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut bytes = password.to_string().into_bytes();
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/advent_of_code_2015-aa809feff1d95353
[INFO] [stdout] test y2015::day01::tests::test_get_basement_position ... ok
[INFO] [stdout] test y2015::day02::tests::test_ribbon_length ... ok
[INFO] [stdout] test y2015::day01::tests::test_get_floor ... ok
[INFO] [stdout] test y2015::day03::tests::test_get_houses_robot ... ok
[INFO] [stdout] test y2015::day03::tests::test_get_houses ... ok
[INFO] [stdout] test y2015::day02::tests::test_square_feet_wrapping_paper ... ok
[INFO] [stdout] test y2015::day05::tests::test_new_word_is_nice ... ok
[INFO] [stdout] test y2015::day11::tests::test_is_password_valid ... ok
[INFO] [stdout] test y2015::day08::tests::test_string_length ... ok
[INFO] [stdout] test y2015::day05::tests::test_word_is_nice ... ok
[INFO] [stdout] test y2015::day08::tests::test_code_length ... ok
[INFO] [stdout] test y2015::day09::tests::test_longest_routes ... ok
[INFO] [stdout] test y2015::day08::tests::test_encoded_length ... ok
[INFO] [stdout] test y2015::day09::tests::test_fastest_routes ... ok
[INFO] [stdout] test y2015::day10::tests::test_look_and_say ... ok
[INFO] [stdout] test y2015::day07::tests::test_find_wire_signal ... ok
[INFO] [stdout] test y2015::day06::tests::test_apply_instruction ... ok
[INFO] [stdout] test y2015::day06::tests::test_apply_instruction_brightness ... ok
[INFO] [stdout] test y2015::day11::tests::test_get_next_password ... ok
[INFO] [stdout] test y2015::day04::tests::test_lowest_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cf349e1a03ddc197c9c4917dcefe6ca916e3b9bc52d99790b6e8637e72dc07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf349e1a03ddc197c9c4917dcefe6ca916e3b9bc52d99790b6e8637e72dc07f", kill_on_drop: false }`
[INFO] [stdout] 2cf349e1a03ddc197c9c4917dcefe6ca916e3b9bc52d99790b6e8637e72dc07f