[INFO] updating cached repository iddar/rust_experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iddar/rust_experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iddar/rust_experiments" "work/ex/beta-1.38-1/sources/1.37.0/gh/iddar/rust_experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iddar/rust_experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iddar/rust_experiments" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iddar/rust_experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iddar/rust_experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9db2d7a8ebfb63d08ed4ae99b3143a7241b82265
[INFO] sha for GitHub repo iddar/rust_experiments: 9db2d7a8ebfb63d08ed4ae99b3143a7241b82265
[INFO] validating manifest of iddar/rust_experiments 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 iddar/rust_experiments 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 iddar/rust_experiments
[INFO] finished frobbing iddar/rust_experiments
[INFO] frobbed toml for iddar/rust_experiments written to work/ex/beta-1.38-1/sources/1.37.0/gh/iddar/rust_experiments/Cargo.toml
[INFO] started frobbing iddar/rust_experiments
[INFO] finished frobbing iddar/rust_experiments
[INFO] frobbed toml for iddar/rust_experiments written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iddar/rust_experiments/Cargo.toml
[INFO] crate iddar/rust_experiments 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 iddar/rust_experiments 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-1/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/iddar/rust_experiments:/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] 1746c699c030489626097aed1d1a9f6c4b0bbdb1915c933696d9e747102223e7
[INFO] running `"docker" "start" "-a" "1746c699c030489626097aed1d1a9f6c4b0bbdb1915c933696d9e747102223e7"`
[INFO] [stderr]    Compiling first v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "1746c699c030489626097aed1d1a9f6c4b0bbdb1915c933696d9e747102223e7"`
[INFO] running `"docker" "rm" "-f" "1746c699c030489626097aed1d1a9f6c4b0bbdb1915c933696d9e747102223e7"`
[INFO] [stdout] 1746c699c030489626097aed1d1a9f6c4b0bbdb1915c933696d9e747102223e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/iddar/rust_experiments:/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] 79a4b925b71eed3630d7822f216f3ce7377aa27fe156335b5b0c8c9195b249f4
[INFO] running `"docker" "start" "-a" "79a4b925b71eed3630d7822f216f3ce7377aa27fe156335b5b0c8c9195b249f4"`
[INFO] [stderr]    Compiling first v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "79a4b925b71eed3630d7822f216f3ce7377aa27fe156335b5b0c8c9195b249f4"`
[INFO] running `"docker" "rm" "-f" "79a4b925b71eed3630d7822f216f3ce7377aa27fe156335b5b0c8c9195b249f4"`
[INFO] [stdout] 79a4b925b71eed3630d7822f216f3ce7377aa27fe156335b5b0c8c9195b249f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/iddar/rust_experiments:/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] 8068c6f08bf4fcc04132b18ab2588c5078e2fc0f50e36485f82bcc19ee548f9d
[INFO] running `"docker" "start" "-a" "8068c6f08bf4fcc04132b18ab2588c5078e2fc0f50e36485f82bcc19ee548f9d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/first-5718d04276905148
[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" "8068c6f08bf4fcc04132b18ab2588c5078e2fc0f50e36485f82bcc19ee548f9d"`
[INFO] running `"docker" "rm" "-f" "8068c6f08bf4fcc04132b18ab2588c5078e2fc0f50e36485f82bcc19ee548f9d"`
[INFO] [stdout] 8068c6f08bf4fcc04132b18ab2588c5078e2fc0f50e36485f82bcc19ee548f9d