[INFO] fetching crate itemops 0.1.1...
[INFO] testing itemops-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate itemops 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate itemops 0.1.1 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 itemops 0.1.1
[INFO] finished tweaking crates.io crate itemops 0.1.1
[INFO] tweaked toml for crates.io crate itemops 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e1cd787cd7b0260420ef2865641802f1a0134a8b6472a434bd8a6da116aba6cd
[INFO] running `Command { std: "docker" "start" "-a" "e1cd787cd7b0260420ef2865641802f1a0134a8b6472a434bd8a6da116aba6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1cd787cd7b0260420ef2865641802f1a0134a8b6472a434bd8a6da116aba6cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1cd787cd7b0260420ef2865641802f1a0134a8b6472a434bd8a6da116aba6cd", kill_on_drop: false }`
[INFO] [stdout] e1cd787cd7b0260420ef2865641802f1a0134a8b6472a434bd8a6da116aba6cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] acbf972736bd2ba3c8dfb5a2e7ef5ee7e315aa248493eba969b66e22d40202ef
[INFO] running `Command { std: "docker" "start" "-a" "acbf972736bd2ba3c8dfb5a2e7ef5ee7e315aa248493eba969b66e22d40202ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling itemops v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "acbf972736bd2ba3c8dfb5a2e7ef5ee7e315aa248493eba969b66e22d40202ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbf972736bd2ba3c8dfb5a2e7ef5ee7e315aa248493eba969b66e22d40202ef", kill_on_drop: false }`
[INFO] [stdout] acbf972736bd2ba3c8dfb5a2e7ef5ee7e315aa248493eba969b66e22d40202ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 75b03cb8306943c9d283a43d3fab0b32b96cb76ac554898f4da4f509a6532297
[INFO] running `Command { std: "docker" "start" "-a" "75b03cb8306943c9d283a43d3fab0b32b96cb76ac554898f4da4f509a6532297", kill_on_drop: false }`
[INFO] [stderr]    Compiling itemops v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "75b03cb8306943c9d283a43d3fab0b32b96cb76ac554898f4da4f509a6532297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b03cb8306943c9d283a43d3fab0b32b96cb76ac554898f4da4f509a6532297", kill_on_drop: false }`
[INFO] [stdout] 75b03cb8306943c9d283a43d3fab0b32b96cb76ac554898f4da4f509a6532297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 56c86a8610e9c9fcd2c516e83bca4178137abb3cef2327bdc066ca809b3cf419
[INFO] running `Command { std: "docker" "start" "-a" "56c86a8610e9c9fcd2c516e83bca4178137abb3cef2327bdc066ca809b3cf419", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/itemops-289435eeb2e0492f)
[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 itemops
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/ops.rs - ops::&'_ [T]::product_step (line 74) ... ok
[INFO] [stdout] test src/ops.rs - ops::&'_ [T]::sum_step (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56c86a8610e9c9fcd2c516e83bca4178137abb3cef2327bdc066ca809b3cf419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c86a8610e9c9fcd2c516e83bca4178137abb3cef2327bdc066ca809b3cf419", kill_on_drop: false }`
[INFO] [stdout] 56c86a8610e9c9fcd2c516e83bca4178137abb3cef2327bdc066ca809b3cf419