[INFO] updating cached repository onima/algo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/onima/algo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/onima/algo" "work/ex/beta-1.38-1/sources/1.37.0/gh/onima/algo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/onima/algo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/onima/algo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onima/algo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onima/algo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a04ffad247271db8cdf100bd72d3b9e06f175f24
[INFO] sha for GitHub repo onima/algo: a04ffad247271db8cdf100bd72d3b9e06f175f24
[INFO] validating manifest of onima/algo 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 onima/algo 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 onima/algo
[INFO] finished frobbing onima/algo
[INFO] frobbed toml for onima/algo written to work/ex/beta-1.38-1/sources/1.37.0/gh/onima/algo/Cargo.toml
[INFO] started frobbing onima/algo
[INFO] finished frobbing onima/algo
[INFO] frobbed toml for onima/algo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/onima/algo/Cargo.toml
[INFO] crate onima/algo 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing onima/algo 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-4/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/onima/algo:/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] 51151d2c816b55d99f931f263454c3065df36bb07f036e3fe01501c7d540ae94
[INFO] running `"docker" "start" "-a" "51151d2c816b55d99f931f263454c3065df36bb07f036e3fe01501c7d540ae94"`
[INFO] [stderr]    Compiling algo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `list_size`
[INFO] [stderr]  --> src/max_pairwise_product.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     list_size: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "51151d2c816b55d99f931f263454c3065df36bb07f036e3fe01501c7d540ae94"`
[INFO] running `"docker" "rm" "-f" "51151d2c816b55d99f931f263454c3065df36bb07f036e3fe01501c7d540ae94"`
[INFO] [stdout] 51151d2c816b55d99f931f263454c3065df36bb07f036e3fe01501c7d540ae94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/onima/algo:/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] 56fbcb78edd53088834122c5471b087872ae6cb70151d37754a4724cbb55b4fe
[INFO] running `"docker" "start" "-a" "56fbcb78edd53088834122c5471b087872ae6cb70151d37754a4724cbb55b4fe"`
[INFO] [stderr]    Compiling algo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `list_size`
[INFO] [stderr]  --> src/max_pairwise_product.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     list_size: u32,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "56fbcb78edd53088834122c5471b087872ae6cb70151d37754a4724cbb55b4fe"`
[INFO] running `"docker" "rm" "-f" "56fbcb78edd53088834122c5471b087872ae6cb70151d37754a4724cbb55b4fe"`
[INFO] [stdout] 56fbcb78edd53088834122c5471b087872ae6cb70151d37754a4724cbb55b4fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/onima/algo:/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] 3c7434c0d7601ef4e41cf717524ae42b06309714e6bfdfa727c3988530fbdf89
[INFO] running `"docker" "start" "-a" "3c7434c0d7601ef4e41cf717524ae42b06309714e6bfdfa727c3988530fbdf89"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/algo-07356aa59d8e7ff6
[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" "3c7434c0d7601ef4e41cf717524ae42b06309714e6bfdfa727c3988530fbdf89"`
[INFO] running `"docker" "rm" "-f" "3c7434c0d7601ef4e41cf717524ae42b06309714e6bfdfa727c3988530fbdf89"`
[INFO] [stdout] 3c7434c0d7601ef4e41cf717524ae42b06309714e6bfdfa727c3988530fbdf89