[INFO] updating cached repository mdespuits/rust-playpen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdespuits/rust-playpen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdespuits/rust-playpen" "work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdespuits/rust-playpen" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdespuits/rust-playpen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdespuits/rust-playpen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7757cf3944afadc3053be139c3a01e55be714c76
[INFO] sha for GitHub repo mdespuits/rust-playpen: 7757cf3944afadc3053be139c3a01e55be714c76
[INFO] validating manifest of mdespuits/rust-playpen 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 mdespuits/rust-playpen 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 mdespuits/rust-playpen
[INFO] finished frobbing mdespuits/rust-playpen
[INFO] frobbed toml for mdespuits/rust-playpen written to work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen/Cargo.toml
[INFO] started frobbing mdespuits/rust-playpen
[INFO] finished frobbing mdespuits/rust-playpen
[INFO] frobbed toml for mdespuits/rust-playpen written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdespuits/rust-playpen/Cargo.toml
[INFO] crate mdespuits/rust-playpen 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 mdespuits/rust-playpen against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fd40f9628f6e9faed5bff7e9dad1712222cf165d34422c72768c3fbbc1f2d242
[INFO] running `"docker" "start" "-a" "fd40f9628f6e9faed5bff7e9dad1712222cf165d34422c72768c3fbbc1f2d242"`
[INFO] [stderr]    Compiling rust-playpen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         thread::sleep_ms(1000);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "fd40f9628f6e9faed5bff7e9dad1712222cf165d34422c72768c3fbbc1f2d242"`
[INFO] running `"docker" "rm" "-f" "fd40f9628f6e9faed5bff7e9dad1712222cf165d34422c72768c3fbbc1f2d242"`
[INFO] [stdout] fd40f9628f6e9faed5bff7e9dad1712222cf165d34422c72768c3fbbc1f2d242
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19353ae796bee6986646f954ae742bef1c2c7217a882f8d22de2f46854385fbf
[INFO] running `"docker" "start" "-a" "19353ae796bee6986646f954ae742bef1c2c7217a882f8d22de2f46854385fbf"`
[INFO] [stderr]    Compiling rust-playpen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         thread::sleep_ms(1000);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "19353ae796bee6986646f954ae742bef1c2c7217a882f8d22de2f46854385fbf"`
[INFO] running `"docker" "rm" "-f" "19353ae796bee6986646f954ae742bef1c2c7217a882f8d22de2f46854385fbf"`
[INFO] [stdout] 19353ae796bee6986646f954ae742bef1c2c7217a882f8d22de2f46854385fbf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mdespuits/rust-playpen:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0d4c4cb90be336fa3a16f0ba284116147eb19f6b4a80582016e3f84f0dcec650
[INFO] running `"docker" "start" "-a" "0d4c4cb90be336fa3a16f0ba284116147eb19f6b4a80582016e3f84f0dcec650"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_playpen-ab9fb5f476c6e25c
[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" "0d4c4cb90be336fa3a16f0ba284116147eb19f6b4a80582016e3f84f0dcec650"`
[INFO] running `"docker" "rm" "-f" "0d4c4cb90be336fa3a16f0ba284116147eb19f6b4a80582016e3f84f0dcec650"`
[INFO] [stdout] 0d4c4cb90be336fa3a16f0ba284116147eb19f6b4a80582016e3f84f0dcec650