[INFO] cloning repository https://github.com/nrxus/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/nrxus/advent_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrxus%2Fadvent_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrxus%2Fadvent_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4abb77f550878b32611a23958c89ad9c31662b8d
[INFO] testing nrxus/advent_2017 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrxus%2Fadvent_2017" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrxus/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/nrxus/advent_2017
[INFO] finished tweaking git repo https://github.com/nrxus/advent_2017
[INFO] tweaked toml for git repo https://github.com/nrxus/advent_2017 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/nrxus/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] eccbe6af78fb1b8368cac03fbc032c6dd237eacb3280144beaa87d4a1f88ec9f
[INFO] running `Command { std: "docker" "start" "-a" "eccbe6af78fb1b8368cac03fbc032c6dd237eacb3280144beaa87d4a1f88ec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eccbe6af78fb1b8368cac03fbc032c6dd237eacb3280144beaa87d4a1f88ec9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eccbe6af78fb1b8368cac03fbc032c6dd237eacb3280144beaa87d4a1f88ec9f", kill_on_drop: false }`
[INFO] [stdout] eccbe6af78fb1b8368cac03fbc032c6dd237eacb3280144beaa87d4a1f88ec9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 8b53ad11ac4d68a315120e6e6b60c6113b7be9d4c35172b9164ef8deb5686b0d
[INFO] running `Command { std: "docker" "start" "-a" "8b53ad11ac4d68a315120e6e6b60c6113b7be9d4c35172b9164ef8deb5686b0d", 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: unused variable: `input`
[INFO] [stdout]   --> src/solvers/three.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn b(input: u32) -> u32 {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.95s
[INFO] running `Command { std: "docker" "inspect" "8b53ad11ac4d68a315120e6e6b60c6113b7be9d4c35172b9164ef8deb5686b0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b53ad11ac4d68a315120e6e6b60c6113b7be9d4c35172b9164ef8deb5686b0d", kill_on_drop: false }`
[INFO] [stdout] 8b53ad11ac4d68a315120e6e6b60c6113b7be9d4c35172b9164ef8deb5686b0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] b844e8504bd6cf7e399fa1c1ad13e6754f2f8d9cfa4b9a3bef3ff211c46ba86b
[INFO] running `Command { std: "docker" "start" "-a" "b844e8504bd6cf7e399fa1c1ad13e6754f2f8d9cfa4b9a3bef3ff211c46ba86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solvers/three.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn b(input: u32) -> u32 {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1.01s
[INFO] running `Command { std: "docker" "inspect" "b844e8504bd6cf7e399fa1c1ad13e6754f2f8d9cfa4b9a3bef3ff211c46ba86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b844e8504bd6cf7e399fa1c1ad13e6754f2f8d9cfa4b9a3bef3ff211c46ba86b", kill_on_drop: false }`
[INFO] [stdout] b844e8504bd6cf7e399fa1c1ad13e6754f2f8d9cfa4b9a3bef3ff211c46ba86b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 58bdafd3956aaafbd80c63c045c69ad1e28dc4f176e13f9cffca9e4f58078885
[INFO] running `Command { std: "docker" "start" "-a" "58bdafd3956aaafbd80c63c045c69ad1e28dc4f176e13f9cffca9e4f58078885", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/solvers/three.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn b(input: u32) -> u32 {
[INFO] [stderr]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_2017` (bin "advent_2017" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_2017-0f446262eaac65f4)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test solvers::one::test::a_all ... ok
[INFO] [stdout] test solvers::one::test::a_consecutive ... ok
[INFO] [stdout] test solvers::one::test::a_ends ... ok
[INFO] [stdout] test solvers::one::test::a_none ... ok
[INFO] [stdout] test solvers::one::test::b_all ... ok
[INFO] [stdout] test solvers::one::test::b_none ... ok
[INFO] [stdout] test solvers::one::test::b_loops ... ok
[INFO] [stdout] test solvers::one::test::b_perfect ... ok
[INFO] [stdout] test solvers::one::test::b_other ... ok
[INFO] [stdout] test solvers::three::test::test_a ... ok
[INFO] [stdout] test solvers::two::test::test_a ... ok
[INFO] [stdout] test solvers::two::test::test_b ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "58bdafd3956aaafbd80c63c045c69ad1e28dc4f176e13f9cffca9e4f58078885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bdafd3956aaafbd80c63c045c69ad1e28dc4f176e13f9cffca9e4f58078885", kill_on_drop: false }`
[INFO] [stdout] 58bdafd3956aaafbd80c63c045c69ad1e28dc4f176e13f9cffca9e4f58078885