[INFO] updating cached repository alexthemitchell/rust-algorithms
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexthemitchell/rust-algorithms
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexthemitchell/rust-algorithms" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexthemitchell/rust-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexthemitchell/rust-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexthemitchell/rust-algorithms" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexthemitchell/rust-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexthemitchell/rust-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a6727abb0f845617726532c96c69870bf0622231
[INFO] sha for GitHub repo alexthemitchell/rust-algorithms: a6727abb0f845617726532c96c69870bf0622231
[INFO] validating manifest of alexthemitchell/rust-algorithms 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 alexthemitchell/rust-algorithms 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 alexthemitchell/rust-algorithms
[INFO] finished frobbing alexthemitchell/rust-algorithms
[INFO] frobbed toml for alexthemitchell/rust-algorithms written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexthemitchell/rust-algorithms/Cargo.toml
[INFO] started frobbing alexthemitchell/rust-algorithms
[INFO] finished frobbing alexthemitchell/rust-algorithms
[INFO] frobbed toml for alexthemitchell/rust-algorithms written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexthemitchell/rust-algorithms/Cargo.toml
[INFO] crate alexthemitchell/rust-algorithms 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 alexthemitchell/rust-algorithms 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-0/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/alexthemitchell/rust-algorithms:/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] dad4f1ece190f1bd3ab716c358e113bfe45095124337518faaa0d52a6c0818f9
[INFO] running `"docker" "start" "-a" "dad4f1ece190f1bd3ab716c358e113bfe45095124337518faaa0d52a6c0818f9"`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling mai v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "dad4f1ece190f1bd3ab716c358e113bfe45095124337518faaa0d52a6c0818f9"`
[INFO] running `"docker" "rm" "-f" "dad4f1ece190f1bd3ab716c358e113bfe45095124337518faaa0d52a6c0818f9"`
[INFO] [stdout] dad4f1ece190f1bd3ab716c358e113bfe45095124337518faaa0d52a6c0818f9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/alexthemitchell/rust-algorithms:/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] c160b2bdc79528a5dee2e8687380ec8734b893893f585fbd1775d952efa593f2
[INFO] running `"docker" "start" "-a" "c160b2bdc79528a5dee2e8687380ec8734b893893f585fbd1775d952efa593f2"`
[INFO] [stderr]    Compiling mai v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "c160b2bdc79528a5dee2e8687380ec8734b893893f585fbd1775d952efa593f2"`
[INFO] running `"docker" "rm" "-f" "c160b2bdc79528a5dee2e8687380ec8734b893893f585fbd1775d952efa593f2"`
[INFO] [stdout] c160b2bdc79528a5dee2e8687380ec8734b893893f585fbd1775d952efa593f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/alexthemitchell/rust-algorithms:/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] 70eeb2a837d789d85fd98eb6e22bd26e25c95058a7ac338a4d6687831e7421ad
[INFO] running `"docker" "start" "-a" "70eeb2a837d789d85fd98eb6e22bd26e25c95058a7ac338a4d6687831e7421ad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mai-b480ff2248817d4e
[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" "70eeb2a837d789d85fd98eb6e22bd26e25c95058a7ac338a4d6687831e7421ad"`
[INFO] running `"docker" "rm" "-f" "70eeb2a837d789d85fd98eb6e22bd26e25c95058a7ac338a4d6687831e7421ad"`
[INFO] [stdout] 70eeb2a837d789d85fd98eb6e22bd26e25c95058a7ac338a4d6687831e7421ad