[INFO] fetching crate factorial_engine 0.1.9...
[INFO] testing factorial_engine-0.1.9 against 1.90.0 for beta-1.91-3
[INFO] extracting crate factorial_engine 0.1.9 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate factorial_engine 0.1.9
[INFO] finished tweaking crates.io crate factorial_engine 0.1.9
[INFO] tweaked toml for crates.io crate factorial_engine 0.1.9 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate factorial_engine 0.1.9 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate factorial_engine 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ee06b64e81faa58b0c10bb3dd294d018ef3e47679158ee871ea25bf1a47609e
[INFO] running `Command { std: "docker" "start" "-a" "6ee06b64e81faa58b0c10bb3dd294d018ef3e47679158ee871ea25bf1a47609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ee06b64e81faa58b0c10bb3dd294d018ef3e47679158ee871ea25bf1a47609e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee06b64e81faa58b0c10bb3dd294d018ef3e47679158ee871ea25bf1a47609e", kill_on_drop: false }`
[INFO] [stdout] 6ee06b64e81faa58b0c10bb3dd294d018ef3e47679158ee871ea25bf1a47609e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fe68533837b124ab194b3e289cbd66f4d30c438af54cb18db61a55386306692
[INFO] running `Command { std: "docker" "start" "-a" "4fe68533837b124ab194b3e289cbd66f4d30c438af54cb18db61a55386306692", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorial_engine v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "4fe68533837b124ab194b3e289cbd66f4d30c438af54cb18db61a55386306692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe68533837b124ab194b3e289cbd66f4d30c438af54cb18db61a55386306692", kill_on_drop: false }`
[INFO] [stdout] 4fe68533837b124ab194b3e289cbd66f4d30c438af54cb18db61a55386306692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9bb8de5161bbeb00cba436baed13f436dac4430d7d9c16b5f4d57c5e85e8c45
[INFO] running `Command { std: "docker" "start" "-a" "e9bb8de5161bbeb00cba436baed13f436dac4430d7d9c16b5f4d57c5e85e8c45", kill_on_drop: false }`
[INFO] [stderr]    Compiling factorial_engine v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "e9bb8de5161bbeb00cba436baed13f436dac4430d7d9c16b5f4d57c5e85e8c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9bb8de5161bbeb00cba436baed13f436dac4430d7d9c16b5f4d57c5e85e8c45", kill_on_drop: false }`
[INFO] [stdout] e9bb8de5161bbeb00cba436baed13f436dac4430d7d9c16b5f4d57c5e85e8c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d1056b6262584c8b186e52fe0476e3e39ce281bbd13fefb11f7de53f044dbf2
[INFO] running `Command { std: "docker" "start" "-a" "3d1056b6262584c8b186e52fe0476e3e39ce281bbd13fefb11f7de53f044dbf2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/factorial_engine-fbca4626f4dc2f7a)
[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] [stderr]    Doc-tests factorial_engine
[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" "3d1056b6262584c8b186e52fe0476e3e39ce281bbd13fefb11f7de53f044dbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1056b6262584c8b186e52fe0476e3e39ce281bbd13fefb11f7de53f044dbf2", kill_on_drop: false }`
[INFO] [stdout] 3d1056b6262584c8b186e52fe0476e3e39ce281bbd13fefb11f7de53f044dbf2