[INFO] cloning repository https://github.com/mattKipper/advent-2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattKipper/advent-2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmattKipper%2Fadvent-2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmattKipper%2Fadvent-2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cbbd646af1fac1e41f9117f53341fb585b1c7d0b
[INFO] testing mattKipper/advent-2017 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmattKipper%2Fadvent-2017" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattKipper/advent-2017 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattKipper/advent-2017
[INFO] finished tweaking git repo https://github.com/mattKipper/advent-2017
[INFO] tweaked toml for git repo https://github.com/mattKipper/advent-2017 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/mattKipper/advent-2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d6b9e245f7248ae42613502c7880a1cb6a41cf273948707952a1ecce9519b4e
[INFO] running `Command { std: "docker" "start" "-a" "1d6b9e245f7248ae42613502c7880a1cb6a41cf273948707952a1ecce9519b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d6b9e245f7248ae42613502c7880a1cb6a41cf273948707952a1ecce9519b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d6b9e245f7248ae42613502c7880a1cb6a41cf273948707952a1ecce9519b4e", kill_on_drop: false }`
[INFO] [stdout] 1d6b9e245f7248ae42613502c7880a1cb6a41cf273948707952a1ecce9519b4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c90462249d790906d0655d12536061d3c125a6fc02f23c7a69a365e52b72c72
[INFO] running `Command { std: "docker" "start" "-a" "5c90462249d790906d0655d12536061d3c125a6fc02f23c7a69a365e52b72c72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling advent-2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/08.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if let Some(mut instruction) = Instruction::<i32>::from_line(&line) {
[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 5.06s
[INFO] running `Command { std: "docker" "inspect" "5c90462249d790906d0655d12536061d3c125a6fc02f23c7a69a365e52b72c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c90462249d790906d0655d12536061d3c125a6fc02f23c7a69a365e52b72c72", kill_on_drop: false }`
[INFO] [stdout] 5c90462249d790906d0655d12536061d3c125a6fc02f23c7a69a365e52b72c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4f288d6ad4e45cf19892dd83e79c207ae5c248f3c945b324999e8d58da84ab9
[INFO] running `Command { std: "docker" "start" "-a" "d4f288d6ad4e45cf19892dd83e79c207ae5c248f3c945b324999e8d58da84ab9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent-2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/08.rs:119:21
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if let Some(mut instruction) = Instruction::<i32>::from_line(&line) {
[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 2.70s
[INFO] running `Command { std: "docker" "inspect" "d4f288d6ad4e45cf19892dd83e79c207ae5c248f3c945b324999e8d58da84ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4f288d6ad4e45cf19892dd83e79c207ae5c248f3c945b324999e8d58da84ab9", kill_on_drop: false }`
[INFO] [stdout] d4f288d6ad4e45cf19892dd83e79c207ae5c248f3c945b324999e8d58da84ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7556512df0da6da8011af7d8aedd6c7b40c86f0d3619bb24085ee3e542d0d7c
[INFO] running `Command { std: "docker" "start" "-a" "b7556512df0da6da8011af7d8aedd6c7b40c86f0d3619bb24085ee3e542d0d7c", 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/bin/08.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |         if let Some(mut instruction) = Instruction::<i32>::from_line(&line) {
[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-2017` (bin "08" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/01-7b8eff02c6e4e7cc)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::bench_hundred ... ok
[INFO] [stdout] test tests::non_numeric ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::nonwrapping ... ok
[INFO] [stdout] test tests::wrapping ... ok
[INFO] [stdout] test tests::bench_ten_thousand ... ok
[INFO] [stdout] test tests::bench_million ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.88s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/02-e38e32a3eff2b383)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::checksum_nonzero ... ok
[INFO] [stdout] test tests::checksum_zero ... ok
[INFO] [stdout] test tests::parse_error_negative ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/03-839a95f49123533e)
[INFO] [stdout] test tests::parse_success ... ok
[INFO] [stdout] test tests::parse_error_non_numeric ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::example_distances ... ok
[INFO] [stdout] test tests::one_to_twentythree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/04-cebc923cc63752f0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::invalid_passphrase ... ok
[INFO] [stdout] test test::multiple_valid ... ok
[INFO] [stdout] test test::no_valid ... ok
[INFO] [stdout] test test::valid_passphrase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/05-3c7a4f66677c556b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::aoc_example_first_step ... ok
[INFO] [stdout] test tests::single_step ... ok
[INFO] [stdout] test tests::aoc_example ... ok
[INFO] [stdout] test tests::single_step_out ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/06-2c8c7412a70e7c20)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::aoc_example_max ... ok
[INFO] [stdout] test tests::aoc_example_cycle_count ... ok
[INFO] [stdout] test tests::aoc_example_redistributions ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/07-d2775d3003e15cd1)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/08-3c60e0d113c6e865)
[INFO] [stdout] test tests::flatten_no_child_values ... ok
[INFO] [stdout] test tests::flatten_with_child_values ... ok
[INFO] [stdout] test tests::four_nodes ... ok
[INFO] [stdout] test tests::node_multiple_child_values ... ok
[INFO] [stdout] test tests::node_no_child_values ... ok
[INFO] [stdout] test tests::node_one_child ... ok
[INFO] [stdout] test tests::two_nodes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/09-d9259156b7c83f36)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::aoc_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7556512df0da6da8011af7d8aedd6c7b40c86f0d3619bb24085ee3e542d0d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7556512df0da6da8011af7d8aedd6c7b40c86f0d3619bb24085ee3e542d0d7c", kill_on_drop: false }`
[INFO] [stdout] b7556512df0da6da8011af7d8aedd6c7b40c86f0d3619bb24085ee3e542d0d7c