[INFO] fetching crate mt19937 2.0.1...
[INFO] testing mt19937-2.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mt19937 2.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mt19937 2.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mt19937 2.0.1
[INFO] finished tweaking crates.io crate mt19937 2.0.1
[INFO] tweaked toml for crates.io crate mt19937 2.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07684f7d261be435b08a4aa3b15e9ddba2c71eace3361121b0d896cdccc605b2
[INFO] running `Command { std: "docker" "start" "-a" "07684f7d261be435b08a4aa3b15e9ddba2c71eace3361121b0d896cdccc605b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07684f7d261be435b08a4aa3b15e9ddba2c71eace3361121b0d896cdccc605b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07684f7d261be435b08a4aa3b15e9ddba2c71eace3361121b0d896cdccc605b2", kill_on_drop: false }`
[INFO] [stdout] 07684f7d261be435b08a4aa3b15e9ddba2c71eace3361121b0d896cdccc605b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99673a76faad55d1e0b9f066be08df5a42374f45cf62a255906396777495f402
[INFO] running `Command { std: "docker" "start" "-a" "99673a76faad55d1e0b9f066be08df5a42374f45cf62a255906396777495f402", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling mt19937 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "99673a76faad55d1e0b9f066be08df5a42374f45cf62a255906396777495f402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99673a76faad55d1e0b9f066be08df5a42374f45cf62a255906396777495f402", kill_on_drop: false }`
[INFO] [stdout] 99673a76faad55d1e0b9f066be08df5a42374f45cf62a255906396777495f402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14781e1048b8bf5fb19827f998d2ab11984c649bf473b54a9999d6bc1a85758b
[INFO] running `Command { std: "docker" "start" "-a" "14781e1048b8bf5fb19827f998d2ab11984c649bf473b54a9999d6bc1a85758b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mt19937 v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "14781e1048b8bf5fb19827f998d2ab11984c649bf473b54a9999d6bc1a85758b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14781e1048b8bf5fb19827f998d2ab11984c649bf473b54a9999d6bc1a85758b", kill_on_drop: false }`
[INFO] [stdout] 14781e1048b8bf5fb19827f998d2ab11984c649bf473b54a9999d6bc1a85758b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddca50a011a9e4253988f9423ee1b8661214da201931cf22687d6d6062be88fb
[INFO] running `Command { std: "docker" "start" "-a" "ddca50a011a9e4253988f9423ee1b8661214da201931cf22687d6d6062be88fb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mt19937-d1ef02ff6fcf44de)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mt19937
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - gen_res53 (line 211) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddca50a011a9e4253988f9423ee1b8661214da201931cf22687d6d6062be88fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddca50a011a9e4253988f9423ee1b8661214da201931cf22687d6d6062be88fb", kill_on_drop: false }`
[INFO] [stdout] ddca50a011a9e4253988f9423ee1b8661214da201931cf22687d6d6062be88fb