[INFO] fetching crate utf-8 0.7.5...
[INFO] checking utf-8-0.7.5 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate utf-8 0.7.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate utf-8 0.7.5 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate utf-8 0.7.5
[INFO] finished tweaking crates.io crate utf-8 0.7.5
[INFO] tweaked toml for crates.io crate utf-8 0.7.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d0eb01c8b3639e668bd6c2bccd300a68b0c78f8fa8a71d0b0750ca7fa1ca0d9
[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" "5d0eb01c8b3639e668bd6c2bccd300a68b0c78f8fa8a71d0b0750ca7fa1ca0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d0eb01c8b3639e668bd6c2bccd300a68b0c78f8fa8a71d0b0750ca7fa1ca0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0eb01c8b3639e668bd6c2bccd300a68b0c78f8fa8a71d0b0750ca7fa1ca0d9", kill_on_drop: false }`
[INFO] [stdout] 5d0eb01c8b3639e668bd6c2bccd300a68b0c78f8fa8a71d0b0750ca7fa1ca0d9
[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=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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18c39a57823faa50a359675de7bbff66993113eb0afe786056a798d23674917f
[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" "18c39a57823faa50a359675de7bbff66993113eb0afe786056a798d23674917f", kill_on_drop: false }`
[INFO] [stderr]     Checking utf-8 v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read benches/../tests/shared/data.rs: No such file or directory (os error 2)
[INFO] [stdout]  --> benches/from_utf8_lossy.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod data;
[INFO] [stdout]   | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `utf-8`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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" "18c39a57823faa50a359675de7bbff66993113eb0afe786056a798d23674917f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18c39a57823faa50a359675de7bbff66993113eb0afe786056a798d23674917f", kill_on_drop: false }`
[INFO] [stdout] 18c39a57823faa50a359675de7bbff66993113eb0afe786056a798d23674917f