[INFO] updating cached repository wonderfulspam/advent-of-code-2018-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wonderfulspam/advent-of-code-2018-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wonderfulspam/advent-of-code-2018-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/wonderfulspam/advent-of-code-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wonderfulspam/advent-of-code-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wonderfulspam/advent-of-code-2018-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wonderfulspam/advent-of-code-2018-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wonderfulspam/advent-of-code-2018-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 799dad6997dacb66924fcc42c2f12262a8da8a5a
[INFO] sha for GitHub repo wonderfulspam/advent-of-code-2018-rs: 799dad6997dacb66924fcc42c2f12262a8da8a5a
[INFO] validating manifest of wonderfulspam/advent-of-code-2018-rs 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 wonderfulspam/advent-of-code-2018-rs 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 wonderfulspam/advent-of-code-2018-rs
[INFO] finished frobbing wonderfulspam/advent-of-code-2018-rs
[INFO] frobbed toml for wonderfulspam/advent-of-code-2018-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/wonderfulspam/advent-of-code-2018-rs/Cargo.toml
[INFO] started frobbing wonderfulspam/advent-of-code-2018-rs
[INFO] finished frobbing wonderfulspam/advent-of-code-2018-rs
[INFO] frobbed toml for wonderfulspam/advent-of-code-2018-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wonderfulspam/advent-of-code-2018-rs/Cargo.toml
[INFO] crate wonderfulspam/advent-of-code-2018-rs 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 wonderfulspam/advent-of-code-2018-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wonderfulspam/advent-of-code-2018-rs:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8b25fc945733949d924008e92acb16095953257aff72fb734fab9864c6cff2cf
[INFO] running `"docker" "start" "-a" "8b25fc945733949d924008e92acb16095953257aff72fb734fab9864c6cff2cf"`
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.16
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling curl v0.4.19
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.77s
[INFO] running `"docker" "inspect" "8b25fc945733949d924008e92acb16095953257aff72fb734fab9864c6cff2cf"`
[INFO] running `"docker" "rm" "-f" "8b25fc945733949d924008e92acb16095953257aff72fb734fab9864c6cff2cf"`
[INFO] [stdout] 8b25fc945733949d924008e92acb16095953257aff72fb734fab9864c6cff2cf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wonderfulspam/advent-of-code-2018-rs:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6822b3d7fdbba576170676c23108197ebb9e9603639d2cea75a3568c8c862d03
[INFO] running `"docker" "start" "-a" "6822b3d7fdbba576170676c23108197ebb9e9603639d2cea75a3568c8c862d03"`
[INFO] [stderr]    Compiling advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "6822b3d7fdbba576170676c23108197ebb9e9603639d2cea75a3568c8c862d03"`
[INFO] running `"docker" "rm" "-f" "6822b3d7fdbba576170676c23108197ebb9e9603639d2cea75a3568c8c862d03"`
[INFO] [stdout] 6822b3d7fdbba576170676c23108197ebb9e9603639d2cea75a3568c8c862d03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wonderfulspam/advent-of-code-2018-rs:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e46302a4136ef12e760daa025e01a2d88e6a8ee0a066aa61d80313cb3a6b6b85
[INFO] running `"docker" "start" "-a" "e46302a4136ef12e760daa025e01a2d88e6a8ee0a066aa61d80313cb3a6b6b85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/advent_of_code-f8af662015dcc80a
[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" "e46302a4136ef12e760daa025e01a2d88e6a8ee0a066aa61d80313cb3a6b6b85"`
[INFO] running `"docker" "rm" "-f" "e46302a4136ef12e760daa025e01a2d88e6a8ee0a066aa61d80313cb3a6b6b85"`
[INFO] [stdout] e46302a4136ef12e760daa025e01a2d88e6a8ee0a066aa61d80313cb3a6b6b85