[INFO] fetching crate weblab-assignment-structure 0.3.4...
[INFO] testing weblab-assignment-structure-0.3.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate weblab-assignment-structure 0.3.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate weblab-assignment-structure 0.3.4
[INFO] finished tweaking crates.io crate weblab-assignment-structure 0.3.4
[INFO] tweaked toml for crates.io crate weblab-assignment-structure 0.3.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate weblab-assignment-structure 0.3.4 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 38437b92624545eab10a4cd9a7dd0d48ecb4e3b4d2abc5dec2baf35db20934ea
[INFO] running `Command { std: "docker" "start" "-a" "38437b92624545eab10a4cd9a7dd0d48ecb4e3b4d2abc5dec2baf35db20934ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38437b92624545eab10a4cd9a7dd0d48ecb4e3b4d2abc5dec2baf35db20934ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38437b92624545eab10a4cd9a7dd0d48ecb4e3b4d2abc5dec2baf35db20934ea", kill_on_drop: false }`
[INFO] [stdout] 38437b92624545eab10a4cd9a7dd0d48ecb4e3b4d2abc5dec2baf35db20934ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d33777ccaaed676d305200a9817a4537baa84f5ce79ce4b4500d90da5563e964
[INFO] running `Command { std: "docker" "start" "-a" "d33777ccaaed676d305200a9817a4537baa84f5ce79ce4b4500d90da5563e964", kill_on_drop: false }`
[INFO] [stderr]    Compiling weblab-assignment-structure v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "d33777ccaaed676d305200a9817a4537baa84f5ce79ce4b4500d90da5563e964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33777ccaaed676d305200a9817a4537baa84f5ce79ce4b4500d90da5563e964", kill_on_drop: false }`
[INFO] [stdout] d33777ccaaed676d305200a9817a4537baa84f5ce79ce4b4500d90da5563e964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 619cb93cace2bd5862ae67879818a5d1e97cf21b65be5eda909348faff7fddf8
[INFO] running `Command { std: "docker" "start" "-a" "619cb93cace2bd5862ae67879818a5d1e97cf21b65be5eda909348faff7fddf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling weblab-assignment-structure v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "619cb93cace2bd5862ae67879818a5d1e97cf21b65be5eda909348faff7fddf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "619cb93cace2bd5862ae67879818a5d1e97cf21b65be5eda909348faff7fddf8", kill_on_drop: false }`
[INFO] [stdout] 619cb93cace2bd5862ae67879818a5d1e97cf21b65be5eda909348faff7fddf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ea70e85581ddb22a8caaa37b487c81faf4197f326d144e0c5398e8b54dc28d2
[INFO] running `Command { std: "docker" "start" "-a" "1ea70e85581ddb22a8caaa37b487c81faf4197f326d144e0c5398e8b54dc28d2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weblab_assignment_structure-62199da8cb6c850b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests weblab_assignment_structure
[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] [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" "1ea70e85581ddb22a8caaa37b487c81faf4197f326d144e0c5398e8b54dc28d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea70e85581ddb22a8caaa37b487c81faf4197f326d144e0c5398e8b54dc28d2", kill_on_drop: false }`
[INFO] [stdout] 1ea70e85581ddb22a8caaa37b487c81faf4197f326d144e0c5398e8b54dc28d2