[INFO] cloning repository https://github.com/alexpearce/adventofcode_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexpearce/adventofcode_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpearce%2Fadventofcode_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpearce%2Fadventofcode_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f33547cc06c950d617f3c4ba4ee87d3546700ad8
[INFO] testing alexpearce/adventofcode_2017 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpearce%2Fadventofcode_2017" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexpearce/adventofcode_2017 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexpearce/adventofcode_2017
[INFO] finished tweaking git repo https://github.com/alexpearce/adventofcode_2017
[INFO] tweaked toml for git repo https://github.com/alexpearce/adventofcode_2017 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/alexpearce/adventofcode_2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bc8cd10776cabd8a9fe458795639197dbb7db09cca778e901cef3f8ee2d1538
[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" "6bc8cd10776cabd8a9fe458795639197dbb7db09cca778e901cef3f8ee2d1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bc8cd10776cabd8a9fe458795639197dbb7db09cca778e901cef3f8ee2d1538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bc8cd10776cabd8a9fe458795639197dbb7db09cca778e901cef3f8ee2d1538", kill_on_drop: false }`
[INFO] [stdout] 6bc8cd10776cabd8a9fe458795639197dbb7db09cca778e901cef3f8ee2d1538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 491d3c0949f5ca5b8f10fc97c76d4e8321bfe6f5d971facd9a0b9601781b6196
[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" "491d3c0949f5ca5b8f10fc97c76d4e8321bfe6f5d971facd9a0b9601781b6196", kill_on_drop: false }`
[INFO] [stderr]    Compiling adventofcode_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `inner` is never read
[INFO] [stdout]   --> src/day6/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut inner = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "491d3c0949f5ca5b8f10fc97c76d4e8321bfe6f5d971facd9a0b9601781b6196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491d3c0949f5ca5b8f10fc97c76d4e8321bfe6f5d971facd9a0b9601781b6196", kill_on_drop: false }`
[INFO] [stdout] 491d3c0949f5ca5b8f10fc97c76d4e8321bfe6f5d971facd9a0b9601781b6196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838efa471e0055dba5b9ce89c4c6d2323045beffc6c9f98a70772361ee9ae1d9
[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" "838efa471e0055dba5b9ce89c4c6d2323045beffc6c9f98a70772361ee9ae1d9", kill_on_drop: false }`
[INFO] [stdout] warning: value assigned to `inner` is never read
[INFO] [stdout]   --> src/day6/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut inner = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling adventofcode_2017 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `inner` is never read
[INFO] [stdout]   --> src/day6/mod.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut inner = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "838efa471e0055dba5b9ce89c4c6d2323045beffc6c9f98a70772361ee9ae1d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838efa471e0055dba5b9ce89c4c6d2323045beffc6c9f98a70772361ee9ae1d9", kill_on_drop: false }`
[INFO] [stdout] 838efa471e0055dba5b9ce89c4c6d2323045beffc6c9f98a70772361ee9ae1d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c27040d303b9dbf509f5d0f79e70621cc5d92e20e746af78bb08b7b6f108f537
[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" "c27040d303b9dbf509f5d0f79e70621cc5d92e20e746af78bb08b7b6f108f537", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `inner` is never read
[INFO] [stderr]   --> src/day6/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut inner = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inner` is never read
[INFO] [stderr]   --> src/day6/mod.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut inner = 0;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc17-cb6deb60b8590923)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/day1-7fd50d959d9d3af3)
[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] [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/day12-abff7b525b722a6d)
[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/day13-014ac484ebc9254a)
[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/day3-99d3c9e9010a4be6)
[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/day4-b373ffc8e7280362)
[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/day5-c0261bc21d75e57e)
[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/day6-604e6f6c46258d83)
[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/day8-2d9a33f3ce99e7c9)
[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/day9-a56d8cd607a8cbf9)
[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]    Doc-tests aoc17
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/day1/mod.rs - day1::sequence_sum (line 34) ... ignored
[INFO] [stdout] test src/day5/mod.rs - day5::jumps_until_end (line 25) ... ok
[INFO] [stdout] test src/day13/mod.rs - day13::severity (line 35) ... ok
[INFO] [stdout] test src/day13/mod.rs - day13::transmitted (line 64) ... ok
[INFO] [stdout] test src/day13/mod.rs - day13::create_firewall (line 7) ... ok
[INFO] [stdout] test src/day1/mod.rs - day1::sequence_sum (line 13) ... ok
[INFO] [stdout] test src/day12/mod.rs - day12::connected_nodes (line 101) ... ok
[INFO] [stdout] test src/day4/mod.rs - day4::has_unique_substrings (line 13) ... ok
[INFO] [stdout] test src/day5/mod.rs - day5::jumps_until_end (line 12) ... ok
[INFO] [stdout] test src/day3/mod.rs - day3::spiral_coordinates (line 53) ... ok
[INFO] [stdout] test src/day9/mod.rs - day9::stream_score (line 7) ... ok
[INFO] [stdout] test src/day8/mod.rs - day8::registers (line 68) ... ok
[INFO] [stdout] test src/day6/mod.rs - day6::iterations_until_cycle (line 15) ... ok
[INFO] [stdout] test src/day3/mod.rs - day3::first_spiral_number_larger_than (line 122) ... ok
[INFO] [stdout] test src/day4/mod.rs - day4::has_no_anagram_substrings (line 44) ... ok
[INFO] [stdout] test src/day12/mod.rs - day12::disconnected_graphs (line 121) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c27040d303b9dbf509f5d0f79e70621cc5d92e20e746af78bb08b7b6f108f537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27040d303b9dbf509f5d0f79e70621cc5d92e20e746af78bb08b7b6f108f537", kill_on_drop: false }`
[INFO] [stdout] c27040d303b9dbf509f5d0f79e70621cc5d92e20e746af78bb08b7b6f108f537