[INFO] fetching crate nemo157 0.3.1-pre.3...
[INFO] checking nemo157-0.3.1-pre.3 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate nemo157 0.3.1-pre.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate nemo157 0.3.1-pre.3 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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-4/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ebfb5038d5b9502701b269b829cf424dea7f920f06e346039460cbcc4a15c5e
[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" "9ebfb5038d5b9502701b269b829cf424dea7f920f06e346039460cbcc4a15c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ebfb5038d5b9502701b269b829cf424dea7f920f06e346039460cbcc4a15c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ebfb5038d5b9502701b269b829cf424dea7f920f06e346039460cbcc4a15c5e", kill_on_drop: false }`
[INFO] [stdout] 9ebfb5038d5b9502701b269b829cf424dea7f920f06e346039460cbcc4a15c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e1ba5545804fdf46156bdecd2de8fd83171001d861a3f99411c6e2f8a0ec4d9
[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" "2e1ba5545804fdf46156bdecd2de8fd83171001d861a3f99411c6e2f8a0ec4d9", kill_on_drop: false }`
[INFO] [stderr]     Checking 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" "2e1ba5545804fdf46156bdecd2de8fd83171001d861a3f99411c6e2f8a0ec4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e1ba5545804fdf46156bdecd2de8fd83171001d861a3f99411c6e2f8a0ec4d9", kill_on_drop: false }`
[INFO] [stdout] 2e1ba5545804fdf46156bdecd2de8fd83171001d861a3f99411c6e2f8a0ec4d9