[INFO] fetching crate nemo157 0.3.1-pre.3...
[INFO] testing nemo157-0.3.1-pre.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nemo157 0.3.1-pre.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate nemo157 0.3.1-pre.3 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 nemo157 0.3.1-pre.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nemo157 0.3.1-pre.3
[INFO] tweaked toml for crates.io crate nemo157 0.3.1-pre.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate nemo157 0.3.1-pre.3 already has a lockfile, it will not be regenerated
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 025958c90ac0525d250f5187d97affc333112f98815b481f2751c84213b47a75
[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" "025958c90ac0525d250f5187d97affc333112f98815b481f2751c84213b47a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "025958c90ac0525d250f5187d97affc333112f98815b481f2751c84213b47a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025958c90ac0525d250f5187d97affc333112f98815b481f2751c84213b47a75", kill_on_drop: false }`
[INFO] [stdout] 025958c90ac0525d250f5187d97affc333112f98815b481f2751c84213b47a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dc73638a4b8fdf95e48cc4b97b8d09fc9f06d26587bf482745a501b0edbfed2e
[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" "dc73638a4b8fdf95e48cc4b97b8d09fc9f06d26587bf482745a501b0edbfed2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nemo157 v0.3.1-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "dc73638a4b8fdf95e48cc4b97b8d09fc9f06d26587bf482745a501b0edbfed2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc73638a4b8fdf95e48cc4b97b8d09fc9f06d26587bf482745a501b0edbfed2e", kill_on_drop: false }`
[INFO] [stdout] dc73638a4b8fdf95e48cc4b97b8d09fc9f06d26587bf482745a501b0edbfed2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 20efc86a31789f3aaafa2e65f11fbf77a9352a2e74adb3069f23bacf0eed72ed
[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" "20efc86a31789f3aaafa2e65f11fbf77a9352a2e74adb3069f23bacf0eed72ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling nemo157 v0.3.1-pre.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `test_docs_rs`
[INFO] [stdout]  --> examples/test_docs_rs.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | //! Does it render this?
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ consider adding a `main` function to `examples/test_docs_rs.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nemo157` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "20efc86a31789f3aaafa2e65f11fbf77a9352a2e74adb3069f23bacf0eed72ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20efc86a31789f3aaafa2e65f11fbf77a9352a2e74adb3069f23bacf0eed72ed", kill_on_drop: false }`
[INFO] [stdout] 20efc86a31789f3aaafa2e65f11fbf77a9352a2e74adb3069f23bacf0eed72ed