[INFO] updating cached repository incessantmeraki/rust-experiment
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/incessantmeraki/rust-experiment
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/incessantmeraki/rust-experiment" "work/ex/beta-1.38-1/sources/1.37.0/gh/incessantmeraki/rust-experiment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/incessantmeraki/rust-experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/incessantmeraki/rust-experiment" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/incessantmeraki/rust-experiment"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/incessantmeraki/rust-experiment'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a158d8b02b653358d1e8b17eb2b0e4aae5991b9
[INFO] sha for GitHub repo incessantmeraki/rust-experiment: 4a158d8b02b653358d1e8b17eb2b0e4aae5991b9
[INFO] validating manifest of incessantmeraki/rust-experiment 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 incessantmeraki/rust-experiment 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 incessantmeraki/rust-experiment
[INFO] finished frobbing incessantmeraki/rust-experiment
[INFO] frobbed toml for incessantmeraki/rust-experiment written to work/ex/beta-1.38-1/sources/1.37.0/gh/incessantmeraki/rust-experiment/Cargo.toml
[INFO] started frobbing incessantmeraki/rust-experiment
[INFO] finished frobbing incessantmeraki/rust-experiment
[INFO] frobbed toml for incessantmeraki/rust-experiment written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/incessantmeraki/rust-experiment/Cargo.toml
[INFO] crate incessantmeraki/rust-experiment 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 incessantmeraki/rust-experiment 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-3/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/incessantmeraki/rust-experiment:/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] 8fcf1b3368f702decdc6df7c32f4e5f02d1d2155dca5a5a462a1a189d5e88ec5
[INFO] running `"docker" "start" "-a" "8fcf1b3368f702decdc6df7c32f4e5f02d1d2155dca5a5a462a1a189d5e88ec5"`
[INFO] [stderr]    Compiling rust-experiment v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "8fcf1b3368f702decdc6df7c32f4e5f02d1d2155dca5a5a462a1a189d5e88ec5"`
[INFO] running `"docker" "rm" "-f" "8fcf1b3368f702decdc6df7c32f4e5f02d1d2155dca5a5a462a1a189d5e88ec5"`
[INFO] [stdout] 8fcf1b3368f702decdc6df7c32f4e5f02d1d2155dca5a5a462a1a189d5e88ec5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/incessantmeraki/rust-experiment:/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] 391a27ddbff7a6199eeac9df20a2b52b660394030a3f13e473d078f453da222f
[INFO] running `"docker" "start" "-a" "391a27ddbff7a6199eeac9df20a2b52b660394030a3f13e473d078f453da222f"`
[INFO] [stderr]    Compiling rust-experiment v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "391a27ddbff7a6199eeac9df20a2b52b660394030a3f13e473d078f453da222f"`
[INFO] running `"docker" "rm" "-f" "391a27ddbff7a6199eeac9df20a2b52b660394030a3f13e473d078f453da222f"`
[INFO] [stdout] 391a27ddbff7a6199eeac9df20a2b52b660394030a3f13e473d078f453da222f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/incessantmeraki/rust-experiment:/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] 84405c991ca021f88680907dc0dc409b9623a8e8bcee0639194c0ba87f4bd825
[INFO] running `"docker" "start" "-a" "84405c991ca021f88680907dc0dc409b9623a8e8bcee0639194c0ba87f4bd825"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_experiment-cc8e10d54a09f06d
[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" "84405c991ca021f88680907dc0dc409b9623a8e8bcee0639194c0ba87f4bd825"`
[INFO] running `"docker" "rm" "-f" "84405c991ca021f88680907dc0dc409b9623a8e8bcee0639194c0ba87f4bd825"`
[INFO] [stdout] 84405c991ca021f88680907dc0dc409b9623a8e8bcee0639194c0ba87f4bd825