[INFO] fetching crate itemops 0.1.1...
[INFO] testing itemops-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate itemops 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate itemops 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2fc510f1b51fabe8d9831833c397f4c5f0b57b9a0a02992cc3b98934fcb3828
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2fc510f1b51fabe8d9831833c397f4c5f0b57b9a0a02992cc3b98934fcb3828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2fc510f1b51fabe8d9831833c397f4c5f0b57b9a0a02992cc3b98934fcb3828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2fc510f1b51fabe8d9831833c397f4c5f0b57b9a0a02992cc3b98934fcb3828", kill_on_drop: false }`
[INFO] [stdout] f2fc510f1b51fabe8d9831833c397f4c5f0b57b9a0a02992cc3b98934fcb3828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a59b90867579173c73f6e32a1d721387484279d399e2a39b273a977b08f3481
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3a59b90867579173c73f6e32a1d721387484279d399e2a39b273a977b08f3481", kill_on_drop: false }`
[INFO] [stderr]    Compiling itemops v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "3a59b90867579173c73f6e32a1d721387484279d399e2a39b273a977b08f3481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a59b90867579173c73f6e32a1d721387484279d399e2a39b273a977b08f3481", kill_on_drop: false }`
[INFO] [stdout] 3a59b90867579173c73f6e32a1d721387484279d399e2a39b273a977b08f3481
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23068b829f785b788c32f89acb04370de98f4cb948dae36cecbdaa164b807cef
[INFO] running `Command { std: "docker" "start" "-a" "23068b829f785b788c32f89acb04370de98f4cb948dae36cecbdaa164b807cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling itemops v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "23068b829f785b788c32f89acb04370de98f4cb948dae36cecbdaa164b807cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23068b829f785b788c32f89acb04370de98f4cb948dae36cecbdaa164b807cef", kill_on_drop: false }`
[INFO] [stdout] 23068b829f785b788c32f89acb04370de98f4cb948dae36cecbdaa164b807cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c73c08b6d6699f036bb47ab6eb673b130c57e87e3b94a2330f0834886079f4f5
[INFO] running `Command { std: "docker" "start" "-a" "c73c08b6d6699f036bb47ab6eb673b130c57e87e3b94a2330f0834886079f4f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/itemops-9846c0230df20a85
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c73c08b6d6699f036bb47ab6eb673b130c57e87e3b94a2330f0834886079f4f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73c08b6d6699f036bb47ab6eb673b130c57e87e3b94a2330f0834886079f4f5", kill_on_drop: false }`
[INFO] [stdout] c73c08b6d6699f036bb47ab6eb673b130c57e87e3b94a2330f0834886079f4f5