[INFO] fetching crate math_utils 0.1.0...
[INFO] testing math_utils-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate math_utils 0.1.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate math_utils 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate math_utils 0.1.0
[INFO] finished tweaking crates.io crate math_utils 0.1.0
[INFO] tweaked toml for crates.io crate math_utils 0.1.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb6c6b7478fa8af88da1916108d21e0648559c6d8ab016ceb2b7e81e90131342
[INFO] running `Command { std: "docker" "start" "-a" "cb6c6b7478fa8af88da1916108d21e0648559c6d8ab016ceb2b7e81e90131342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb6c6b7478fa8af88da1916108d21e0648559c6d8ab016ceb2b7e81e90131342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6c6b7478fa8af88da1916108d21e0648559c6d8ab016ceb2b7e81e90131342", kill_on_drop: false }`
[INFO] [stdout] cb6c6b7478fa8af88da1916108d21e0648559c6d8ab016ceb2b7e81e90131342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2365f5f38ad7f6ad0b3bb4738cf0cfd9099a07db4794e0e6d4aaf6f237c327b9
[INFO] running `Command { std: "docker" "start" "-a" "2365f5f38ad7f6ad0b3bb4738cf0cfd9099a07db4794e0e6d4aaf6f237c327b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "2365f5f38ad7f6ad0b3bb4738cf0cfd9099a07db4794e0e6d4aaf6f237c327b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2365f5f38ad7f6ad0b3bb4738cf0cfd9099a07db4794e0e6d4aaf6f237c327b9", kill_on_drop: false }`
[INFO] [stdout] 2365f5f38ad7f6ad0b3bb4738cf0cfd9099a07db4794e0e6d4aaf6f237c327b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 834f2dcbb187cd180737165eb70917824493889ce8fb3d15e3ffa92a7afaebfb
[INFO] running `Command { std: "docker" "start" "-a" "834f2dcbb187cd180737165eb70917824493889ce8fb3d15e3ffa92a7afaebfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling math_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "834f2dcbb187cd180737165eb70917824493889ce8fb3d15e3ffa92a7afaebfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834f2dcbb187cd180737165eb70917824493889ce8fb3d15e3ffa92a7afaebfb", kill_on_drop: false }`
[INFO] [stdout] 834f2dcbb187cd180737165eb70917824493889ce8fb3d15e3ffa92a7afaebfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea461476fbc263ae38978dcadd545efc35d4d216e0f4c10f4c825f3b4f3e6451
[INFO] running `Command { std: "docker" "start" "-a" "ea461476fbc263ae38978dcadd545efc35d4d216e0f4c10f4c825f3b4f3e6451", 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/math_utils-b512161f2e17f549)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests math_utils
[INFO] [stdout] test tests::test_gdc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - gcd (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea461476fbc263ae38978dcadd545efc35d4d216e0f4c10f4c825f3b4f3e6451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea461476fbc263ae38978dcadd545efc35d4d216e0f4c10f4c825f3b4f3e6451", kill_on_drop: false }`
[INFO] [stdout] ea461476fbc263ae38978dcadd545efc35d4d216e0f4c10f4c825f3b4f3e6451