[INFO] updating cached repository thephred/aoc2015
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thephred/aoc2015
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thephred/aoc2015" "work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/thephred/aoc2015"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/thephred/aoc2015'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thephred/aoc2015" "work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/thephred/aoc2015"`
[INFO] [stderr] Cloning into 'work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/thephred/aoc2015'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f83ff0577d863b72c45ac268493820c7c935dfce
[INFO] sha for GitHub repo thephred/aoc2015: f83ff0577d863b72c45ac268493820c7c935dfce
[INFO] validating manifest of thephred/aoc2015 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 thephred/aoc2015 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 thephred/aoc2015
[INFO] finished frobbing thephred/aoc2015
[INFO] frobbed toml for thephred/aoc2015 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/gh/thephred/aoc2015/Cargo.toml
[INFO] started frobbing thephred/aoc2015
[INFO] finished frobbing thephred/aoc2015
[INFO] frobbed toml for thephred/aoc2015 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/thephred/aoc2015/Cargo.toml
[INFO] crate thephred/aoc2015 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 thephred/aoc2015 against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-4/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/gh/thephred/aoc2015:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a321360b8a4b8a5ddccd265826f833f58a4bb7147bf38bf29c3dfd1e052792f
[INFO] running `"docker" "start" "-a" "3a321360b8a4b8a5ddccd265826f833f58a4bb7147bf38bf29c3dfd1e052792f"`
[INFO] [stderr]     Checking md5 v0.3.6
[INFO] [stderr]     Checking itertools v0.7.4
[INFO] [stderr]     Checking aoc2015 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(universal_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_or_default` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(entry_or_default)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(universal_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_and_modify` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(entry_and_modify)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `entry_or_default` has been stable since 1.28.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(entry_or_default)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "3a321360b8a4b8a5ddccd265826f833f58a4bb7147bf38bf29c3dfd1e052792f"`
[INFO] running `"docker" "rm" "-f" "3a321360b8a4b8a5ddccd265826f833f58a4bb7147bf38bf29c3dfd1e052792f"`
[INFO] [stdout] 3a321360b8a4b8a5ddccd265826f833f58a4bb7147bf38bf29c3dfd1e052792f