[INFO] fetching crate prometheus-parser 0.4.0...
[INFO] checking prometheus-parser-0.4.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate prometheus-parser 0.4.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate prometheus-parser 0.4.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prometheus-parser 0.4.0
[INFO] finished tweaking crates.io crate prometheus-parser 0.4.0
[INFO] tweaked toml for crates.io crate prometheus-parser 0.4.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate prometheus-parser 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enquote v1.0.3
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.14
[INFO] [stderr]   Downloaded pest_consume_macros v1.0.3
[INFO] [stderr]   Downloaded pest_consume v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff3a8e1d14d99f8391efb7c3ef2b1c31d538770b033a1a458378b92e6e8595a
[INFO] running `Command { std: "docker" "start" "-a" "0ff3a8e1d14d99f8391efb7c3ef2b1c31d538770b033a1a458378b92e6e8595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff3a8e1d14d99f8391efb7c3ef2b1c31d538770b033a1a458378b92e6e8595a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff3a8e1d14d99f8391efb7c3ef2b1c31d538770b033a1a458378b92e6e8595a", kill_on_drop: false }`
[INFO] [stdout] 0ff3a8e1d14d99f8391efb7c3ef2b1c31d538770b033a1a458378b92e6e8595a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18b95a55ad4fbc9ae79544f18449bc028ff1f5307f06a2998c923bf94c9eb4b3
[INFO] running `Command { std: "docker" "start" "-a" "18b95a55ad4fbc9ae79544f18449bc028ff1f5307f06a2998c923bf94c9eb4b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking enquote v1.0.3
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_consume_macros v1.0.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking pest_consume v1.0.3
[INFO] [stderr]     Checking prometheus-parser v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.52s
[INFO] running `Command { std: "docker" "inspect" "18b95a55ad4fbc9ae79544f18449bc028ff1f5307f06a2998c923bf94c9eb4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b95a55ad4fbc9ae79544f18449bc028ff1f5307f06a2998c923bf94c9eb4b3", kill_on_drop: false }`
[INFO] [stdout] 18b95a55ad4fbc9ae79544f18449bc028ff1f5307f06a2998c923bf94c9eb4b3