[INFO] fetching crate cdoc-parser 0.1.0...
[INFO] checking cdoc-parser-0.1.0 against master#dfdbe30004a095ad63951c4cd6e10a9a971a7399 for pr-120932
[INFO] extracting crate cdoc-parser 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cdoc-parser 0.1.0 on toolchain dfdbe30004a095ad63951c4cd6e10a9a971a7399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cdoc-parser 0.1.0
[INFO] finished tweaking crates.io crate cdoc-parser 0.1.0
[INFO] tweaked toml for crates.io crate cdoc-parser 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest-test-gen v0.1.7
[INFO] [stderr]   Downloaded mutants v0.0.3
[INFO] [stderr]   Downloaded thin-vec v0.2.13
[INFO] [stderr]   Downloaded serde_test v1.0.176
[INFO] [stderr]   Downloaded nanoid v0.4.0
[INFO] [stderr]   Downloaded constptr v0.2.0
[INFO] [stderr]   Downloaded snailquote v0.3.1
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded rhai_codegen v2.0.0
[INFO] [stderr]   Downloaded rhai v1.17.1
[INFO] [stderr]   Downloaded pest-test v0.1.6
[INFO] [stderr]   Downloaded code-product-lib v0.3.0
[INFO] [stderr]   Downloaded code-product v0.3.0
[INFO] [stderr]   Downloaded code-product-macro v0.3.0
[INFO] [stderr]   Downloaded cowstr v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a70483045fd34f2ec008bff99013ca8d066f22756c5b470f6d90dd2089eed7aa
[INFO] running `Command { std: "docker" "start" "-a" "a70483045fd34f2ec008bff99013ca8d066f22756c5b470f6d90dd2089eed7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70483045fd34f2ec008bff99013ca8d066f22756c5b470f6d90dd2089eed7aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70483045fd34f2ec008bff99013ca8d066f22756c5b470f6d90dd2089eed7aa", kill_on_drop: false }`
[INFO] [stdout] a70483045fd34f2ec008bff99013ca8d066f22756c5b470f6d90dd2089eed7aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+dfdbe30004a095ad63951c4cd6e10a9a971a7399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5804bf76b21a071bbd1c6de45574cabd4a90adfb1a5bf556104847e3eac17fc
[INFO] running `Command { std: "docker" "start" "-a" "e5804bf76b21a071bbd1c6de45574cabd4a90adfb1a5bf556104847e3eac17fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling code-product-lib v0.3.0
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking constptr v0.2.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling code-product-macro v0.3.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking code-product v0.3.0
[INFO] [stderr]     Checking nanoid v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_core v0.20.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling darling_macro v0.20.6
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]    Compiling snailquote v0.3.1
[INFO] [stderr]    Compiling darling v0.20.6
[INFO] [stderr]    Compiling serde_with_macros v3.6.1
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]    Compiling pest-test v0.1.6
[INFO] [stderr]    Compiling pest-test-gen v0.1.7
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking serde_yaml v0.9.32
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking serde_with v3.6.1
[INFO] [stderr]     Checking cowstr v1.3.0
[INFO] [stderr]     Checking cdoc-parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.50s
[INFO] running `Command { std: "docker" "inspect" "e5804bf76b21a071bbd1c6de45574cabd4a90adfb1a5bf556104847e3eac17fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5804bf76b21a071bbd1c6de45574cabd4a90adfb1a5bf556104847e3eac17fc", kill_on_drop: false }`
[INFO] [stdout] e5804bf76b21a071bbd1c6de45574cabd4a90adfb1a5bf556104847e3eac17fc
[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.