[INFO] updating cached repository AntoineMaitre/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AntoineMaitre/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AntoineMaitre/rust-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/AntoineMaitre/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AntoineMaitre/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AntoineMaitre/rust-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntoineMaitre/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntoineMaitre/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c9518526992fb1b73a6ba3411649555a7c79d2d
[INFO] sha for GitHub repo AntoineMaitre/rust-playground: 3c9518526992fb1b73a6ba3411649555a7c79d2d
[INFO] validating manifest of AntoineMaitre/rust-playground 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 AntoineMaitre/rust-playground 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 AntoineMaitre/rust-playground
[INFO] finished frobbing AntoineMaitre/rust-playground
[INFO] frobbed toml for AntoineMaitre/rust-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/AntoineMaitre/rust-playground/Cargo.toml
[INFO] started frobbing AntoineMaitre/rust-playground
[INFO] finished frobbing AntoineMaitre/rust-playground
[INFO] frobbed toml for AntoineMaitre/rust-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AntoineMaitre/rust-playground/Cargo.toml
[INFO] crate AntoineMaitre/rust-playground 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 AntoineMaitre/rust-playground 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/AntoineMaitre/rust-playground:/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] 7445c3622a0328b364257be61b71daf3ad2ad9b079e1f25b13e0e67ae580a799
[INFO] running `"docker" "start" "-a" "7445c3622a0328b364257be61b71daf3ad2ad9b079e1f25b13e0e67ae580a799"`
[INFO] [stderr]    Compiling smallvec v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling ferris-says v0.1.1
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `"docker" "inspect" "7445c3622a0328b364257be61b71daf3ad2ad9b079e1f25b13e0e67ae580a799"`
[INFO] running `"docker" "rm" "-f" "7445c3622a0328b364257be61b71daf3ad2ad9b079e1f25b13e0e67ae580a799"`
[INFO] [stdout] 7445c3622a0328b364257be61b71daf3ad2ad9b079e1f25b13e0e67ae580a799
[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/AntoineMaitre/rust-playground:/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] 83c901e1cd4c4841f0a191a055756ded905271414f5701c040698b9a4ebb7772
[INFO] running `"docker" "start" "-a" "83c901e1cd4c4841f0a191a055756ded905271414f5701c040698b9a4ebb7772"`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "83c901e1cd4c4841f0a191a055756ded905271414f5701c040698b9a4ebb7772"`
[INFO] running `"docker" "rm" "-f" "83c901e1cd4c4841f0a191a055756ded905271414f5701c040698b9a4ebb7772"`
[INFO] [stdout] 83c901e1cd4c4841f0a191a055756ded905271414f5701c040698b9a4ebb7772
[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/AntoineMaitre/rust-playground:/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] a50c33605cd2c67aabe009a08feca80e3595b36b1ea43665c50d380f3d8d0f18
[INFO] running `"docker" "start" "-a" "a50c33605cd2c67aabe009a08feca80e3595b36b1ea43665c50d380f3d8d0f18"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_rust-be16950da66d6746
[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" "a50c33605cd2c67aabe009a08feca80e3595b36b1ea43665c50d380f3d8d0f18"`
[INFO] running `"docker" "rm" "-f" "a50c33605cd2c67aabe009a08feca80e3595b36b1ea43665c50d380f3d8d0f18"`
[INFO] [stdout] a50c33605cd2c67aabe009a08feca80e3595b36b1ea43665c50d380f3d8d0f18