[INFO] updating cached repository ghusse/advent-of-code-2018-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ghusse/advent-of-code-2018-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ghusse/advent-of-code-2018-rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/ghusse/advent-of-code-2018-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ghusse/advent-of-code-2018-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ghusse/advent-of-code-2018-rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ghusse/advent-of-code-2018-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ghusse/advent-of-code-2018-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d310ec9de346e0152ecf618548026697f9f9ae52
[INFO] sha for GitHub repo ghusse/advent-of-code-2018-rust: d310ec9de346e0152ecf618548026697f9f9ae52
[INFO] validating manifest of ghusse/advent-of-code-2018-rust 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 ghusse/advent-of-code-2018-rust 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 ghusse/advent-of-code-2018-rust
[INFO] finished frobbing ghusse/advent-of-code-2018-rust
[INFO] frobbed toml for ghusse/advent-of-code-2018-rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/ghusse/advent-of-code-2018-rust/Cargo.toml
[INFO] started frobbing ghusse/advent-of-code-2018-rust
[INFO] finished frobbing ghusse/advent-of-code-2018-rust
[INFO] frobbed toml for ghusse/advent-of-code-2018-rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ghusse/advent-of-code-2018-rust/Cargo.toml
[INFO] crate ghusse/advent-of-code-2018-rust 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 ghusse/advent-of-code-2018-rust 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ghusse/advent-of-code-2018-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=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] 3a4291babc9fbd025b507754ca1d8dec2d5d4c4bef5b736ca01d519ae749f0c4
[INFO] running `"docker" "start" "-a" "3a4291babc9fbd025b507754ca1d8dec2d5d4c4bef5b736ca01d519ae749f0c4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling pad v0.1.5
[INFO] [stderr]    Compiling iso8601 v0.1.1
[INFO] [stderr]    Compiling locale v0.2.2
[INFO] [stderr]    Compiling quickersort v3.0.1
[INFO] [stderr]    Compiling datetime v0.4.7
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_13/mod.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     for mut i in 0..len {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `"docker" "inspect" "3a4291babc9fbd025b507754ca1d8dec2d5d4c4bef5b736ca01d519ae749f0c4"`
[INFO] running `"docker" "rm" "-f" "3a4291babc9fbd025b507754ca1d8dec2d5d4c4bef5b736ca01d519ae749f0c4"`
[INFO] [stdout] 3a4291babc9fbd025b507754ca1d8dec2d5d4c4bef5b736ca01d519ae749f0c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ghusse/advent-of-code-2018-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=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] cab5404cb167209b7e44afb27b5dc994b4f7a753155ddec9407f16ffc43f30fd
[INFO] running `"docker" "start" "-a" "cab5404cb167209b7e44afb27b5dc994b4f7a753155ddec9407f16ffc43f30fd"`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_13/mod.rs:164:9
[INFO] [stderr]     |
[INFO] [stderr] 164 |     for mut i in 0..len {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "cab5404cb167209b7e44afb27b5dc994b4f7a753155ddec9407f16ffc43f30fd"`
[INFO] running `"docker" "rm" "-f" "cab5404cb167209b7e44afb27b5dc994b4f7a753155ddec9407f16ffc43f30fd"`
[INFO] [stdout] cab5404cb167209b7e44afb27b5dc994b4f7a753155ddec9407f16ffc43f30fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ghusse/advent-of-code-2018-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=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] 1d3121926acc68fccd0063ffd801d64544d3b959743faee19251eb094b0bf56e
[INFO] running `"docker" "start" "-a" "1d3121926acc68fccd0063ffd801d64544d3b959743faee19251eb094b0bf56e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent-e41f40c7e0357bae
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test day_11::test::test1 ... ok
[INFO] [stdout] test day_12::test::test1 ... ok
[INFO] [stdout] test day_13::test::test1 ... ok
[INFO] [stdout] test day_13::test::test2 ... ok
[INFO] [stdout] test day_8::test::test1 ... ok
[INFO] [stdout] test day_8::test::test2 ... ok
[INFO] [stdout] test day_12::test::test2 ... ok
[INFO] [stdout] test day_12::test::test3 ... ok
[INFO] [stdout] test day_11::test::test2 ... ok
[INFO] [stdout] test day_12::test::test4 ... ok
[INFO] [stdout] test day_9::test::test1 ... ok
[INFO] [stdout] test day_11::test::test3 ... ok
[INFO] [stdout] test day_11::test::test4 ... ok
[INFO] [stdout] test day_11::test::test5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1d3121926acc68fccd0063ffd801d64544d3b959743faee19251eb094b0bf56e"`
[INFO] running `"docker" "rm" "-f" "1d3121926acc68fccd0063ffd801d64544d3b959743faee19251eb094b0bf56e"`
[INFO] [stdout] 1d3121926acc68fccd0063ffd801d64544d3b959743faee19251eb094b0bf56e