[INFO] updating cached repository Venats/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Venats/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Venats/advent_of_code_2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/Venats/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Venats/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Venats/advent_of_code_2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Venats/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Venats/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 619b0dc892cb95f853fb042d824b9e60852081a0
[INFO] sha for GitHub repo Venats/advent_of_code_2018: 619b0dc892cb95f853fb042d824b9e60852081a0
[INFO] validating manifest of Venats/advent_of_code_2018 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Venats/advent_of_code_2018 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Venats/advent_of_code_2018
[INFO] finished frobbing Venats/advent_of_code_2018
[INFO] frobbed toml for Venats/advent_of_code_2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/Venats/advent_of_code_2018/Cargo.toml
[INFO] started frobbing Venats/advent_of_code_2018
[INFO] finished frobbing Venats/advent_of_code_2018
[INFO] frobbed toml for Venats/advent_of_code_2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Venats/advent_of_code_2018/Cargo.toml
[INFO] crate Venats/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Venats/advent_of_code_2018 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Venats/advent_of_code_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d657e3ecf0034ba33e556f3106d02e81cae4daab9a15a148f6a6397b3996a76f
[INFO] running `"docker" "start" "-a" "d657e3ecf0034ba33e556f3106d02e81cae4daab9a15a148f6a6397b3996a76f"`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `BufReader`, `stdin`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdin,BufRead,BufReader};
[INFO] [stderr]   |               ^^^^^         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day7.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for mut task in self.edges.iter_mut() {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day7.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |             if let Some(mut worker) = workers.iter_mut().find(|worker| worker.is_free()){
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.98s
[INFO] running `"docker" "inspect" "d657e3ecf0034ba33e556f3106d02e81cae4daab9a15a148f6a6397b3996a76f"`
[INFO] running `"docker" "rm" "-f" "d657e3ecf0034ba33e556f3106d02e81cae4daab9a15a148f6a6397b3996a76f"`
[INFO] [stdout] d657e3ecf0034ba33e556f3106d02e81cae4daab9a15a148f6a6397b3996a76f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Venats/advent_of_code_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5881e079719c6ec7c871b987abb7da61f4993a0e5fdad6777c329f464525eed4
[INFO] running `"docker" "start" "-a" "5881e079719c6ec7c871b987abb7da61f4993a0e5fdad6777c329f464525eed4"`
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `BufReader`, `stdin`
[INFO] [stderr]  --> src/lib.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdin,BufRead,BufReader};
[INFO] [stderr]   |               ^^^^^         ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/day7.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for mut task in self.edges.iter_mut() {
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day7.rs:108:25
[INFO] [stderr]     |
[INFO] [stderr] 108 |             if let Some(mut worker) = workers.iter_mut().find(|worker| worker.is_free()){
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `"docker" "inspect" "5881e079719c6ec7c871b987abb7da61f4993a0e5fdad6777c329f464525eed4"`
[INFO] running `"docker" "rm" "-f" "5881e079719c6ec7c871b987abb7da61f4993a0e5fdad6777c329f464525eed4"`
[INFO] [stdout] 5881e079719c6ec7c871b987abb7da61f4993a0e5fdad6777c329f464525eed4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Venats/advent_of_code_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ee3b07ee6dc278dc380c983ff0f62b37c13d38e5375222836301fbaf927fc2bf
[INFO] running `"docker" "start" "-a" "ee3b07ee6dc278dc380c983ff0f62b37c13d38e5375222836301fbaf927fc2bf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code_2018-8153e29def7c53fa
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day1-6e241a1fec9030cb
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day10-4b30c568ecad44d9
[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
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day11-3b15379f9f63b1b5
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day12-d1984a4e80eb191d
[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
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day13-8bd58dd4c4c969d6
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day14-2f0908b47ca3d21c
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day2-bbf81a6c84618d67
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day3-d13464c42b15b209
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day4-5077faa5a1dfca75
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day5-7b09e0c6534a257a
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day6-db849353d0e71e41
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day7-f9afe10bb205e416
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day8-27b5eee4a16b5da3
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/day9-d3ae3e8178f2b93c
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests advent_of_code_2018
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ee3b07ee6dc278dc380c983ff0f62b37c13d38e5375222836301fbaf927fc2bf"`
[INFO] running `"docker" "rm" "-f" "ee3b07ee6dc278dc380c983ff0f62b37c13d38e5375222836301fbaf927fc2bf"`
[INFO] [stdout] ee3b07ee6dc278dc380c983ff0f62b37c13d38e5375222836301fbaf927fc2bf