[INFO] updating cached repository anagav/advent_code_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anagav/advent_code_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anagav/advent_code_rust" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/anagav/advent_code_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/anagav/advent_code_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anagav/advent_code_rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/anagav/advent_code_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/anagav/advent_code_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7afa8a4bc499402c8306f17550f0f02a644f6292
[INFO] sha for GitHub repo anagav/advent_code_rust: 7afa8a4bc499402c8306f17550f0f02a644f6292
[INFO] validating manifest of anagav/advent_code_rust on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of anagav/advent_code_rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing anagav/advent_code_rust
[INFO] finished frobbing anagav/advent_code_rust
[INFO] frobbed toml for anagav/advent_code_rust written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/anagav/advent_code_rust/Cargo.toml
[INFO] started frobbing anagav/advent_code_rust
[INFO] finished frobbing anagav/advent_code_rust
[INFO] frobbed toml for anagav/advent_code_rust written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/anagav/advent_code_rust/Cargo.toml
[INFO] crate anagav/advent_code_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking anagav/advent_code_rust against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/anagav/advent_code_rust:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7533952462c0bbda662395b59e310e414dce9ba5d13fbee258281f28671dfe91
[INFO] running `"docker" "start" "-a" "7533952462c0bbda662395b59e310e414dce9ba5d13fbee258281f28671dfe91"`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/bin/day1.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/day3.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self,BufRead,Read};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]  --> src/bin/day1.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/bin/day3.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self,BufRead,Read};
[INFO] [stderr]   |                            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `"docker" "inspect" "7533952462c0bbda662395b59e310e414dce9ba5d13fbee258281f28671dfe91"`
[INFO] running `"docker" "rm" "-f" "7533952462c0bbda662395b59e310e414dce9ba5d13fbee258281f28671dfe91"`
[INFO] [stdout] 7533952462c0bbda662395b59e310e414dce9ba5d13fbee258281f28671dfe91