[INFO] fetching crate roulette 0.3.0...
[INFO] testing roulette-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate roulette 0.3.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate roulette 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roulette 0.3.0
[INFO] finished tweaking crates.io crate roulette 0.3.0
[INFO] tweaked toml for crates.io crate roulette 0.3.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] crate crates.io crate roulette 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c2b9f71f3675119f4fa3c1f96402f7f63c62e8efed1439f8a5269057db55cd7
[INFO] running `Command { std: "docker" "start" "-a" "3c2b9f71f3675119f4fa3c1f96402f7f63c62e8efed1439f8a5269057db55cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2b9f71f3675119f4fa3c1f96402f7f63c62e8efed1439f8a5269057db55cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2b9f71f3675119f4fa3c1f96402f7f63c62e8efed1439f8a5269057db55cd7", kill_on_drop: false }`
[INFO] [stdout] 3c2b9f71f3675119f4fa3c1f96402f7f63c62e8efed1439f8a5269057db55cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fae2f356806f666e6a734b1d0fd782ed0970041cd81cd228bf446b2aa0b1bafd
[INFO] running `Command { std: "docker" "start" "-a" "fae2f356806f666e6a734b1d0fd782ed0970041cd81cd228bf446b2aa0b1bafd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling roulette v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "fae2f356806f666e6a734b1d0fd782ed0970041cd81cd228bf446b2aa0b1bafd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fae2f356806f666e6a734b1d0fd782ed0970041cd81cd228bf446b2aa0b1bafd", kill_on_drop: false }`
[INFO] [stdout] fae2f356806f666e6a734b1d0fd782ed0970041cd81cd228bf446b2aa0b1bafd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 718ac50e3ef1655da7cd23daff0c01ee32c561e079d3d03ecc03e706d60a99f0
[INFO] running `Command { std: "docker" "start" "-a" "718ac50e3ef1655da7cd23daff0c01ee32c561e079d3d03ecc03e706d60a99f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling roulette v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "718ac50e3ef1655da7cd23daff0c01ee32c561e079d3d03ecc03e706d60a99f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718ac50e3ef1655da7cd23daff0c01ee32c561e079d3d03ecc03e706d60a99f0", kill_on_drop: false }`
[INFO] [stdout] 718ac50e3ef1655da7cd23daff0c01ee32c561e079d3d03ecc03e706d60a99f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ed1b5e92f2cbb287d1b6c5c706ae9bc58131b99d12bdcf5e4ce6834230342f49
[INFO] running `Command { std: "docker" "start" "-a" "ed1b5e92f2cbb287d1b6c5c706ae9bc58131b99d12bdcf5e4ce6834230342f49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/roulette-1dcb2dec0b3a0ad6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::most_entries_zero ... ok
[INFO] [stdout] test tests::all_entries_zero - should panic ... ok
[INFO] [stdout] test tests::negative_entry - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests roulette
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ed1b5e92f2cbb287d1b6c5c706ae9bc58131b99d12bdcf5e4ce6834230342f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1b5e92f2cbb287d1b6c5c706ae9bc58131b99d12bdcf5e4ce6834230342f49", kill_on_drop: false }`
[INFO] [stdout] ed1b5e92f2cbb287d1b6c5c706ae9bc58131b99d12bdcf5e4ce6834230342f49