[INFO] fetching crate cerk_loader_file 0.2.8...
[INFO] checking cerk_loader_file-0.2.8 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate cerk_loader_file 0.2.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate cerk_loader_file 0.2.8 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cerk_loader_file 0.2.8
[INFO] finished tweaking crates.io crate cerk_loader_file 0.2.8
[INFO] tweaked toml for crates.io crate cerk_loader_file 0.2.8 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 567938ce7c0d37336f90180245c646366d875bf77eaaa0da957ace218a5c1c46
[INFO] running `Command { std: "docker" "start" "-a" "567938ce7c0d37336f90180245c646366d875bf77eaaa0da957ace218a5c1c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567938ce7c0d37336f90180245c646366d875bf77eaaa0da957ace218a5c1c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567938ce7c0d37336f90180245c646366d875bf77eaaa0da957ace218a5c1c46", kill_on_drop: false }`
[INFO] [stdout] 567938ce7c0d37336f90180245c646366d875bf77eaaa0da957ace218a5c1c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] ca7a16d1a27d33ef078b00efa8b8b5da6a19f3004fd14d20db294be63e74a744
[INFO] running `Command { std: "docker" "start" "-a" "ca7a16d1a27d33ef078b00efa8b8b5da6a19f3004fd14d20db294be63e74a744", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking cerk v0.2.11
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cerk-0.2.11/src/kernel/config.rs:2:12
[INFO] [stdout]     |
[INFO] [stdout] 2   | use serde::export::TryFrom;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.123/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cerk`
[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" "ca7a16d1a27d33ef078b00efa8b8b5da6a19f3004fd14d20db294be63e74a744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7a16d1a27d33ef078b00efa8b8b5da6a19f3004fd14d20db294be63e74a744", kill_on_drop: false }`
[INFO] [stdout] ca7a16d1a27d33ef078b00efa8b8b5da6a19f3004fd14d20db294be63e74a744