[INFO] fetching crate prolog_parser 0.8.68...
[INFO] checking prolog_parser-0.8.68 against master#180dffba142c47240ca0d93096ce90b9fd97c8d7 for pr-114716
[INFO] extracting crate prolog_parser 0.8.68 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate prolog_parser 0.8.68 on toolchain 180dffba142c47240ca0d93096ce90b9fd97c8d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "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" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded lexical v2.2.4
[INFO] [stderr]   Downloaded lexical-core v0.4.8
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded unicode_reader v1.0.2
[INFO] [stderr]   Downloaded rug v1.20.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.0
[INFO] [stderr]   Downloaded num-rug-adapter v0.1.5
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 253359c9c62dedf0a5d3291abed9b0e96a6cfb22d2f5d8bfd31fcd5ebaf63906
[INFO] running `Command { std: "docker" "start" "-a" "253359c9c62dedf0a5d3291abed9b0e96a6cfb22d2f5d8bfd31fcd5ebaf63906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253359c9c62dedf0a5d3291abed9b0e96a6cfb22d2f5d8bfd31fcd5ebaf63906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253359c9c62dedf0a5d3291abed9b0e96a6cfb22d2f5d8bfd31fcd5ebaf63906", kill_on_drop: false }`
[INFO] [stdout] 253359c9c62dedf0a5d3291abed9b0e96a6cfb22d2f5d8bfd31fcd5ebaf63906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:84cb280c7acaf12c1f874411053406050a24f846e52f817d4d9e64bcbe5ce959" "/opt/rustwide/cargo-home/bin/cargo" "+180dffba142c47240ca0d93096ce90b9fd97c8d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a49d5694e63e3971a05c510876978c689fd349d54f881828b01bfec40accee5
[INFO] running `Command { std: "docker" "start" "-a" "0a49d5694e63e3971a05c510876978c689fd349d54f881828b01bfec40accee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling rug v1.20.1
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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 ordered-float v0.5.2
[INFO] [stderr]     Checking prolog_parser v0.8.68 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "0a49d5694e63e3971a05c510876978c689fd349d54f881828b01bfec40accee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a49d5694e63e3971a05c510876978c689fd349d54f881828b01bfec40accee5", kill_on_drop: false }`
[INFO] [stdout] 0a49d5694e63e3971a05c510876978c689fd349d54f881828b01bfec40accee5