[INFO] updating cached repository thecog19/rust-experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thecog19/rust-experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thecog19/rust-experiments" "work/ex/beta-1.37-6/sources/1.36.0/gh/thecog19/rust-experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/thecog19/rust-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thecog19/rust-experiments" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thecog19/rust-experiments"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thecog19/rust-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aeb446f9fb0d6bcaa23de747a7ffbc2391ddd48e
[INFO] sha for GitHub repo thecog19/rust-experiments: aeb446f9fb0d6bcaa23de747a7ffbc2391ddd48e
[INFO] validating manifest of thecog19/rust-experiments on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thecog19/rust-experiments on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thecog19/rust-experiments
[INFO] finished frobbing thecog19/rust-experiments
[INFO] frobbed toml for thecog19/rust-experiments written to work/ex/beta-1.37-6/sources/1.36.0/gh/thecog19/rust-experiments/Cargo.toml
[INFO] started frobbing thecog19/rust-experiments
[INFO] finished frobbing thecog19/rust-experiments
[INFO] frobbed toml for thecog19/rust-experiments written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thecog19/rust-experiments/Cargo.toml
[INFO] crate thecog19/rust-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing thecog19/rust-experiments against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thecog19/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c8a3aa14f3768e232e83dba26a633c42e0371fadf3d3f3c23ca3326b0b804ae3
[INFO] running `"docker" "start" "-a" "c8a3aa14f3768e232e83dba26a633c42e0371fadf3d3f3c23ca3326b0b804ae3"`
[INFO] [stderr]    Compiling playing-with-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "c8a3aa14f3768e232e83dba26a633c42e0371fadf3d3f3c23ca3326b0b804ae3"`
[INFO] running `"docker" "rm" "-f" "c8a3aa14f3768e232e83dba26a633c42e0371fadf3d3f3c23ca3326b0b804ae3"`
[INFO] [stdout] c8a3aa14f3768e232e83dba26a633c42e0371fadf3d3f3c23ca3326b0b804ae3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thecog19/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c905806978390a93943cca1f398b5e62c393d8acb315d824a32eda3d57c47d31
[INFO] running `"docker" "start" "-a" "c905806978390a93943cca1f398b5e62c393d8acb315d824a32eda3d57c47d31"`
[INFO] [stderr]    Compiling playing-with-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "c905806978390a93943cca1f398b5e62c393d8acb315d824a32eda3d57c47d31"`
[INFO] running `"docker" "rm" "-f" "c905806978390a93943cca1f398b5e62c393d8acb315d824a32eda3d57c47d31"`
[INFO] [stdout] c905806978390a93943cca1f398b5e62c393d8acb315d824a32eda3d57c47d31
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/thecog19/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 8ecd4ccc37b3755d6902b0279fd493ba5c9167a8ccccf72032d4c854a3b1aa73
[INFO] running `"docker" "start" "-a" "8ecd4ccc37b3755d6902b0279fd493ba5c9167a8ccccf72032d4c854a3b1aa73"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playing_with_rust-98b5f7d6c20819d8
[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" "8ecd4ccc37b3755d6902b0279fd493ba5c9167a8ccccf72032d4c854a3b1aa73"`
[INFO] running `"docker" "rm" "-f" "8ecd4ccc37b3755d6902b0279fd493ba5c9167a8ccccf72032d4c854a3b1aa73"`
[INFO] [stdout] 8ecd4ccc37b3755d6902b0279fd493ba5c9167a8ccccf72032d4c854a3b1aa73