[INFO] fetching crate prolog_parser 0.8.68...
[INFO] checking prolog_parser-0.8.68 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate prolog_parser 0.8.68 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate prolog_parser 0.8.68 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prolog_parser 0.8.68
[INFO] finished tweaking crates.io crate prolog_parser 0.8.68
[INFO] tweaked toml for crates.io crate prolog_parser 0.8.68 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" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.4.12 (available: v0.7.6)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding lexical v2.2.4 (available: v7.0.2)
[INFO] [stderr]       Adding lexical-core v0.4.8 (available: v1.0.2)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (available: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding ordered-float v0.5.2 (available: v4.3.0)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding static_assertions v0.3.4 (available: v1.1.0)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode_reader v1.0.2
[INFO] [stderr]   Downloaded num-rug-adapter v0.1.5
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] [stderr]   Downloaded lexical v2.2.4
[INFO] [stderr]   Downloaded lexical-core v0.4.8
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca0afbeef8923718c358bae81645de9a9c5dc8dfbee49f6f7b8e308f08dcf537
[INFO] running `Command { std: "docker" "start" "-a" "ca0afbeef8923718c358bae81645de9a9c5dc8dfbee49f6f7b8e308f08dcf537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0afbeef8923718c358bae81645de9a9c5dc8dfbee49f6f7b8e308f08dcf537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0afbeef8923718c358bae81645de9a9c5dc8dfbee49f6f7b8e308f08dcf537", kill_on_drop: false }`
[INFO] [stdout] ca0afbeef8923718c358bae81645de9a9c5dc8dfbee49f6f7b8e308f08dcf537
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5747a3be8f1a0640409c21498519f411e445b179fd40fc2d50cbd1c1f1fbd4d3
[INFO] running `Command { std: "docker" "start" "-a" "5747a3be8f1a0640409c21498519f411e445b179fd40fc2d50cbd1c1f1fbd4d3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode_reader v1.0.2
[INFO] [stderr]    Compiling lexical-core v0.4.8
[INFO] [stderr]    Compiling lexical v2.2.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking prolog_parser v0.8.68 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "5747a3be8f1a0640409c21498519f411e445b179fd40fc2d50cbd1c1f1fbd4d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5747a3be8f1a0640409c21498519f411e445b179fd40fc2d50cbd1c1f1fbd4d3", kill_on_drop: false }`
[INFO] [stdout] 5747a3be8f1a0640409c21498519f411e445b179fd40fc2d50cbd1c1f1fbd4d3