[INFO] cloning repository muminoff/100-prisoners-problem
[INFO] running `"git" "clone" "--bare" "git://github.com/muminoff/100-prisoners-problem.git" "work/cache/sources/gh/muminoff/100-prisoners-problem"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/muminoff/100-prisoners-problem'...
[INFO] running `"git" "clone" "work/cache/sources/gh/muminoff/100-prisoners-problem" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/muminoff/100-prisoners-problem"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/muminoff/100-prisoners-problem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/muminoff/100-prisoners-problem" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/muminoff/100-prisoners-problem"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/muminoff/100-prisoners-problem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea7cbb290f349392d47b19543053f59237e1ae06
[INFO] sha for GitHub repo muminoff/100-prisoners-problem: ea7cbb290f349392d47b19543053f59237e1ae06
[INFO] validating manifest of muminoff/100-prisoners-problem on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of muminoff/100-prisoners-problem on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing muminoff/100-prisoners-problem
[INFO] finished frobbing muminoff/100-prisoners-problem
[INFO] frobbed toml for muminoff/100-prisoners-problem written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/muminoff/100-prisoners-problem/Cargo.toml
[INFO] started frobbing muminoff/100-prisoners-problem
[INFO] finished frobbing muminoff/100-prisoners-problem
[INFO] frobbed toml for muminoff/100-prisoners-problem written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/muminoff/100-prisoners-problem/Cargo.toml
[INFO] crate muminoff/100-prisoners-problem already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing muminoff/100-prisoners-problem against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/muminoff/100-prisoners-problem:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 29c04e6cf7fef692ed5f7bb5aabd34314b665909daae31effa26a39c8b5491a0
[INFO] running `"docker" "start" "-a" "29c04e6cf7fef692ed5f7bb5aabd34314b665909daae31effa26a39c8b5491a0"`
[INFO] [stderr]    Compiling prisoners v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "29c04e6cf7fef692ed5f7bb5aabd34314b665909daae31effa26a39c8b5491a0"`
[INFO] running `"docker" "rm" "-f" "29c04e6cf7fef692ed5f7bb5aabd34314b665909daae31effa26a39c8b5491a0"`
[INFO] [stdout] 29c04e6cf7fef692ed5f7bb5aabd34314b665909daae31effa26a39c8b5491a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/muminoff/100-prisoners-problem:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 69afe73c4830e9689540e3eba609fd031200e2364bc8cdfeb773a637aeb1e76a
[INFO] running `"docker" "start" "-a" "69afe73c4830e9689540e3eba609fd031200e2364bc8cdfeb773a637aeb1e76a"`
[INFO] [stderr]    Compiling prisoners v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "69afe73c4830e9689540e3eba609fd031200e2364bc8cdfeb773a637aeb1e76a"`
[INFO] running `"docker" "rm" "-f" "69afe73c4830e9689540e3eba609fd031200e2364bc8cdfeb773a637aeb1e76a"`
[INFO] [stdout] 69afe73c4830e9689540e3eba609fd031200e2364bc8cdfeb773a637aeb1e76a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/muminoff/100-prisoners-problem:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 455e26a0ee9e7ce91f6b7a37749bc9d2f614cd8bdb5981b037854062535a3174
[INFO] running `"docker" "start" "-a" "455e26a0ee9e7ce91f6b7a37749bc9d2f614cd8bdb5981b037854062535a3174"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/prisoners-a7774912e3ec7491
[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" "455e26a0ee9e7ce91f6b7a37749bc9d2f614cd8bdb5981b037854062535a3174"`
[INFO] running `"docker" "rm" "-f" "455e26a0ee9e7ce91f6b7a37749bc9d2f614cd8bdb5981b037854062535a3174"`
[INFO] [stdout] 455e26a0ee9e7ce91f6b7a37749bc9d2f614cd8bdb5981b037854062535a3174