[INFO] fetching crate rtps-idl-grammar 0.2.3...
[INFO] checking rtps-idl-grammar-0.2.3 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate rtps-idl-grammar 0.2.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rtps-idl-grammar 0.2.3 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtps-idl-grammar 0.2.3
[INFO] finished tweaking crates.io crate rtps-idl-grammar 0.2.3
[INFO] tweaked toml for crates.io crate rtps-idl-grammar 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "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] 0d5c78230c4906d049510e9bb5f33302add35f7c4c4f91210ee5b1a7c663f972
[INFO] running `Command { std: "docker" "start" "-a" "0d5c78230c4906d049510e9bb5f33302add35f7c4c4f91210ee5b1a7c663f972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d5c78230c4906d049510e9bb5f33302add35f7c4c4f91210ee5b1a7c663f972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5c78230c4906d049510e9bb5f33302add35f7c4c4f91210ee5b1a7c663f972", kill_on_drop: false }`
[INFO] [stdout] 0d5c78230c4906d049510e9bb5f33302add35f7c4c4f91210ee5b1a7c663f972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1ba77e263126f9ecf31d1f1f82d0b2ef4a4839e0951b4ae57e8373ef5062471
[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" "f1ba77e263126f9ecf31d1f1f82d0b2ef4a4839e0951b4ae57e8373ef5062471", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]     Checking rtps-idl-grammar v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `pest_idl_v4_grammar`
[INFO] [stdout]   --> tests/test.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate pest_idl_v4_grammar;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtps-idl-grammar`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f1ba77e263126f9ecf31d1f1f82d0b2ef4a4839e0951b4ae57e8373ef5062471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ba77e263126f9ecf31d1f1f82d0b2ef4a4839e0951b4ae57e8373ef5062471", kill_on_drop: false }`
[INFO] [stdout] f1ba77e263126f9ecf31d1f1f82d0b2ef4a4839e0951b4ae57e8373ef5062471