[INFO] fetching crate zngur 0.4.0...
[INFO] checking zngur-0.4.0 against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336
[INFO] extracting crate zngur 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate zngur 0.4.0 on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zngur 0.4.0
[INFO] finished tweaking crates.io crate zngur 0.4.0
[INFO] tweaked toml for crates.io crate zngur 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding ariadne v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding chumsky v1.0.0-alpha.4 (latest: v1.0.0-alpha.7)
[INFO] [stderr]       Adding hashbrown v0.13.2 (latest: v0.14.5)
[INFO] [stderr]       Adding iter_tools v0.1.4 (latest: v0.15.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zngur-def v0.4.0
[INFO] [stderr]   Downloaded stacker v0.1.15
[INFO] [stderr]   Downloaded zngur-parser v0.4.0
[INFO] [stderr]   Downloaded ariadne v0.3.0
[INFO] [stderr]   Downloaded chumsky v1.0.0-alpha.4
[INFO] [stderr]   Downloaded zngur-generator v0.4.0
[INFO] [stderr]   Downloaded iter_tools v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a92178a421ca4842f1f93daea7bc061cb21c51ec13d01332cc3286f6eb5e74a
[INFO] running `Command { std: "docker" "start" "-a" "6a92178a421ca4842f1f93daea7bc061cb21c51ec13d01332cc3286f6eb5e74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a92178a421ca4842f1f93daea7bc061cb21c51ec13d01332cc3286f6eb5e74a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a92178a421ca4842f1f93daea7bc061cb21c51ec13d01332cc3286f6eb5e74a", kill_on_drop: false }`
[INFO] [stdout] 6a92178a421ca4842f1f93daea7bc061cb21c51ec13d01332cc3286f6eb5e74a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 917c594309e6fcb56f61f57d65d9570eaf019aeafb04708dd3c7e738c9e4c151
[INFO] running `Command { std: "docker" "start" "-a" "917c594309e6fcb56f61f57d65d9570eaf019aeafb04708dd3c7e738c9e4c151", kill_on_drop: false }`
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking iter_tools v0.1.4
[INFO] [stderr]     Checking zngur-def v0.4.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking ariadne v0.3.0
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking chumsky v1.0.0-alpha.4
[INFO] [stderr]     Checking zngur-parser v0.4.0
[INFO] [stderr]     Checking zngur-generator v0.4.0
[INFO] [stderr]     Checking zngur v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "917c594309e6fcb56f61f57d65d9570eaf019aeafb04708dd3c7e738c9e4c151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917c594309e6fcb56f61f57d65d9570eaf019aeafb04708dd3c7e738c9e4c151", kill_on_drop: false }`
[INFO] [stdout] 917c594309e6fcb56f61f57d65d9570eaf019aeafb04708dd3c7e738c9e4c151
[ERROR] this task or one of its parent failed!
[ERROR] error sending request for url (https://crater.rust-lang.org/agent-api/record-progress): connection closed before message completed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.