[INFO] updating cached repository snoopcheri/advent-of-code-2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/snoopcheri/advent-of-code-2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/snoopcheri/advent-of-code-2016" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/snoopcheri/advent-of-code-2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/snoopcheri/advent-of-code-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/snoopcheri/advent-of-code-2016" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/snoopcheri/advent-of-code-2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/snoopcheri/advent-of-code-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fe78ea951dbef660f1856b702d76b2119159657
[INFO] sha for GitHub repo snoopcheri/advent-of-code-2016: 4fe78ea951dbef660f1856b702d76b2119159657
[INFO] validating manifest of snoopcheri/advent-of-code-2016 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of snoopcheri/advent-of-code-2016 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing snoopcheri/advent-of-code-2016
[INFO] finished frobbing snoopcheri/advent-of-code-2016
[INFO] frobbed toml for snoopcheri/advent-of-code-2016 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/snoopcheri/advent-of-code-2016/Cargo.toml
[INFO] started frobbing snoopcheri/advent-of-code-2016
[INFO] finished frobbing snoopcheri/advent-of-code-2016
[INFO] frobbed toml for snoopcheri/advent-of-code-2016 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/snoopcheri/advent-of-code-2016/Cargo.toml
[INFO] crate snoopcheri/advent-of-code-2016 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking snoopcheri/advent-of-code-2016 against master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039 for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-3/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/snoopcheri/advent-of-code-2016:/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=forbid" "-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" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2a9c8d9839d0982ccdf4840b6da2595ca777cc23f54e309dac9fca2f7d24eec9
[INFO] running `"docker" "start" "-a" "2a9c8d9839d0982ccdf4840b6da2595ca777cc23f54e309dac9fca2f7d24eec9"`
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]     Checking nom v2.0.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking itertools v0.5.6
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking advent-of-code-2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking hamcrest v0.1.2
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[macro_use] extern crate itertools;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.00s
[INFO] running `"docker" "inspect" "2a9c8d9839d0982ccdf4840b6da2595ca777cc23f54e309dac9fca2f7d24eec9"`
[INFO] running `"docker" "rm" "-f" "2a9c8d9839d0982ccdf4840b6da2595ca777cc23f54e309dac9fca2f7d24eec9"`
[INFO] [stdout] 2a9c8d9839d0982ccdf4840b6da2595ca777cc23f54e309dac9fca2f7d24eec9