[INFO] fetching crate weblab-assignment-structure 0.2.5...
[INFO] testing weblab-assignment-structure-0.2.5 against 1.60.0 for beta-1.61-1
[INFO] extracting crate weblab-assignment-structure 0.2.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate weblab-assignment-structure 0.2.5 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weblab-assignment-structure 0.2.5
[INFO] finished tweaking crates.io crate weblab-assignment-structure 0.2.5
[INFO] tweaked toml for crates.io crate weblab-assignment-structure 0.2.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] a808df546ef265bd3a065a685badcb955d79bba3b752479cd6426d0e73b6b0b9
[INFO] running `Command { std: "docker" "start" "-a" "a808df546ef265bd3a065a685badcb955d79bba3b752479cd6426d0e73b6b0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a808df546ef265bd3a065a685badcb955d79bba3b752479cd6426d0e73b6b0b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a808df546ef265bd3a065a685badcb955d79bba3b752479cd6426d0e73b6b0b9", kill_on_drop: false }`
[INFO] [stdout] a808df546ef265bd3a065a685badcb955d79bba3b752479cd6426d0e73b6b0b9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb4629e3e11299cdb9143d6dae19129ac5d08d75a6c6a0c26fbe15fcd87daa8
[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" "4bb4629e3e11299cdb9143d6dae19129ac5d08d75a6c6a0c26fbe15fcd87daa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling weblab-assignment-structure v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "4bb4629e3e11299cdb9143d6dae19129ac5d08d75a6c6a0c26fbe15fcd87daa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb4629e3e11299cdb9143d6dae19129ac5d08d75a6c6a0c26fbe15fcd87daa8", kill_on_drop: false }`
[INFO] [stdout] 4bb4629e3e11299cdb9143d6dae19129ac5d08d75a6c6a0c26fbe15fcd87daa8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbf1af53944827a96d030b75ff9737e89661cbf2be368813572e9f686c89f7db
[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" "fbf1af53944827a96d030b75ff9737e89661cbf2be368813572e9f686c89f7db", kill_on_drop: false }`
[INFO] [stderr]    Compiling weblab-assignment-structure v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "fbf1af53944827a96d030b75ff9737e89661cbf2be368813572e9f686c89f7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf1af53944827a96d030b75ff9737e89661cbf2be368813572e9f686c89f7db", kill_on_drop: false }`
[INFO] [stdout] fbf1af53944827a96d030b75ff9737e89661cbf2be368813572e9f686c89f7db
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 5f94817ea99410ead62a266552ae0f20c0c61cb058654496c3f6d89b183fb89b
[INFO] running `Command { std: "docker" "start" "-a" "5f94817ea99410ead62a266552ae0f20c0c61cb058654496c3f6d89b183fb89b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/weblab_assignment_structure-b795ba1f39cc330e)
[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" "5f94817ea99410ead62a266552ae0f20c0c61cb058654496c3f6d89b183fb89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f94817ea99410ead62a266552ae0f20c0c61cb058654496c3f6d89b183fb89b", kill_on_drop: false }`
[INFO] [stdout] 5f94817ea99410ead62a266552ae0f20c0c61cb058654496c3f6d89b183fb89b