[INFO] fetching crate prolog_parser 0.8.68...
[INFO] checking prolog_parser-0.8.68 against try#e251c42c969d6f8dbaae00e1028489c3a29f8789 for pr-94081
[INFO] extracting crate prolog_parser 0.8.68 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate prolog_parser 0.8.68 on toolchain e251c42c969d6f8dbaae00e1028489c3a29f8789
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "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 ordered-float v0.5.2
[INFO] [stderr]   Downloaded lexical-core v0.4.8
[INFO] [stderr]   Downloaded lexical v2.2.4
[INFO] [stderr]   Downloaded num-rug-adapter v0.1.5
[INFO] [stderr]   Downloaded unicode_reader v1.0.2
[INFO] [stderr]   Downloaded rug v1.15.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ac6d2638df99237951e175c4fa49a2faa566b5fdad637c1110bfaf85285b5dd
[INFO] running `Command { std: "docker" "start" "-a" "0ac6d2638df99237951e175c4fa49a2faa566b5fdad637c1110bfaf85285b5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ac6d2638df99237951e175c4fa49a2faa566b5fdad637c1110bfaf85285b5dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ac6d2638df99237951e175c4fa49a2faa566b5fdad637c1110bfaf85285b5dd", kill_on_drop: false }`
[INFO] [stdout] 0ac6d2638df99237951e175c4fa49a2faa566b5fdad637c1110bfaf85285b5dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+e251c42c969d6f8dbaae00e1028489c3a29f8789" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0458b2c3b1e24e1986a3bee88b7adad1529c7475f72d09c6a9e3ca0bc2b449e9
[INFO] running `Command { std: "docker" "start" "-a" "0458b2c3b1e24e1986a3bee88b7adad1529c7475f72d09c6a9e3ca0bc2b449e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.7
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling rug v1.15.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking unicode_reader v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[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 56s
[INFO] running `Command { std: "docker" "inspect" "0458b2c3b1e24e1986a3bee88b7adad1529c7475f72d09c6a9e3ca0bc2b449e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0458b2c3b1e24e1986a3bee88b7adad1529c7475f72d09c6a9e3ca0bc2b449e9", kill_on_drop: false }`
[INFO] [stdout] 0458b2c3b1e24e1986a3bee88b7adad1529c7475f72d09c6a9e3ca0bc2b449e9