[INFO] fetching crate safemath_dev 0.1.0...
[INFO] testing safemath_dev-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate safemath_dev 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate safemath_dev 0.1.0
[INFO] finished tweaking crates.io crate safemath_dev 0.1.0
[INFO] tweaked toml for crates.io crate safemath_dev 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safemath_dev 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d794736d32910617a8edf4c047e5713f6608586828c2add79de8aefdc8ac0699
[INFO] running `Command { std: "docker" "start" "-a" "d794736d32910617a8edf4c047e5713f6608586828c2add79de8aefdc8ac0699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d794736d32910617a8edf4c047e5713f6608586828c2add79de8aefdc8ac0699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d794736d32910617a8edf4c047e5713f6608586828c2add79de8aefdc8ac0699", kill_on_drop: false }`
[INFO] [stdout] d794736d32910617a8edf4c047e5713f6608586828c2add79de8aefdc8ac0699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 762bbd4fc4b48a90fec7bd5e1109a677996b906f64b9ab37cd9c058838343509
[INFO] running `Command { std: "docker" "start" "-a" "762bbd4fc4b48a90fec7bd5e1109a677996b906f64b9ab37cd9c058838343509", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemath_dev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "762bbd4fc4b48a90fec7bd5e1109a677996b906f64b9ab37cd9c058838343509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "762bbd4fc4b48a90fec7bd5e1109a677996b906f64b9ab37cd9c058838343509", kill_on_drop: false }`
[INFO] [stdout] 762bbd4fc4b48a90fec7bd5e1109a677996b906f64b9ab37cd9c058838343509
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a122a33ffe3a4da0df84f54c1a208982434d0eaa7527d506934843c52ea6789
[INFO] running `Command { std: "docker" "start" "-a" "8a122a33ffe3a4da0df84f54c1a208982434d0eaa7527d506934843c52ea6789", kill_on_drop: false }`
[INFO] [stderr]    Compiling safemath_dev v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "8a122a33ffe3a4da0df84f54c1a208982434d0eaa7527d506934843c52ea6789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a122a33ffe3a4da0df84f54c1a208982434d0eaa7527d506934843c52ea6789", kill_on_drop: false }`
[INFO] [stdout] 8a122a33ffe3a4da0df84f54c1a208982434d0eaa7527d506934843c52ea6789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7462ff6b496dd4fc0f8e12255164207ec6a07eeacfccdbfea1ba3e221a321138
[INFO] running `Command { std: "docker" "start" "-a" "7462ff6b496dd4fc0f8e12255164207ec6a07eeacfccdbfea1ba3e221a321138", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safemath_dev-88529a1b6def38ff)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::tes_try_div ... ok
[INFO] [stdout] test tests::tes_try_sub ... ok
[INFO] [stdout] test tests::tes_try_add ... ok
[INFO] [stdout] test tests::tes_try_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safemath_dev
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7462ff6b496dd4fc0f8e12255164207ec6a07eeacfccdbfea1ba3e221a321138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7462ff6b496dd4fc0f8e12255164207ec6a07eeacfccdbfea1ba3e221a321138", kill_on_drop: false }`
[INFO] [stdout] 7462ff6b496dd4fc0f8e12255164207ec6a07eeacfccdbfea1ba3e221a321138