[INFO] fetching crate nemo157 0.3.1-pre.3...
[INFO] testing nemo157-0.3.1-pre.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nemo157 0.3.1-pre.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate nemo157 0.3.1-pre.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dee9c037c2de482fc96f4344af56ec1a840cf76057aeec7839a0a6b8167d1f4
[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" "1dee9c037c2de482fc96f4344af56ec1a840cf76057aeec7839a0a6b8167d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dee9c037c2de482fc96f4344af56ec1a840cf76057aeec7839a0a6b8167d1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dee9c037c2de482fc96f4344af56ec1a840cf76057aeec7839a0a6b8167d1f4", kill_on_drop: false }`
[INFO] [stdout] 1dee9c037c2de482fc96f4344af56ec1a840cf76057aeec7839a0a6b8167d1f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0946ccb90dd4af7f21830c70d43ccee2a153999818ad333468d90087230fba1d
[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" "0946ccb90dd4af7f21830c70d43ccee2a153999818ad333468d90087230fba1d", 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 1.44s
[INFO] running `Command { std: "docker" "inspect" "0946ccb90dd4af7f21830c70d43ccee2a153999818ad333468d90087230fba1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0946ccb90dd4af7f21830c70d43ccee2a153999818ad333468d90087230fba1d", kill_on_drop: false }`
[INFO] [stdout] 0946ccb90dd4af7f21830c70d43ccee2a153999818ad333468d90087230fba1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1741459e713856c08986e9958451f2e027db3255b35e38930e710813c4e239b8
[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" "1741459e713856c08986e9958451f2e027db3255b35e38930e710813c4e239b8", 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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1741459e713856c08986e9958451f2e027db3255b35e38930e710813c4e239b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1741459e713856c08986e9958451f2e027db3255b35e38930e710813c4e239b8", kill_on_drop: false }`
[INFO] [stdout] 1741459e713856c08986e9958451f2e027db3255b35e38930e710813c4e239b8