[INFO] cloning repository https://github.com/specdown/specdown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/specdown/specdown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e54ec12c4be02a148004215e9848c4be74487d4
[INFO] checking specdown/specdown against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/specdown/specdown 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 git repo https://github.com/specdown/specdown
[INFO] finished tweaking git repo https://github.com/specdown/specdown
[INFO] tweaked toml for git repo https://github.com/specdown/specdown written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/specdown/specdown 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9675b931f3de9545a4a117eac4930fd242279ebc29b17397e35688fb08cafe97
[INFO] running `Command { std: "docker" "start" "-a" "9675b931f3de9545a4a117eac4930fd242279ebc29b17397e35688fb08cafe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9675b931f3de9545a4a117eac4930fd242279ebc29b17397e35688fb08cafe97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9675b931f3de9545a4a117eac4930fd242279ebc29b17397e35688fb08cafe97", kill_on_drop: false }`
[INFO] [stdout] 9675b931f3de9545a4a117eac4930fd242279ebc29b17397e35688fb08cafe97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e0e73bf75dab5541fdac962311142220135d3e372c149f9bbed2da66d3e29a7f
[INFO] running `Command { std: "docker" "start" "-a" "e0e73bf75dab5541fdac962311142220135d3e372c149f9bbed2da66d3e29a7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking colored-diff v0.2.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.21.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking predicates v2.0.0
[INFO] [stderr]     Checking assert_cmd v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking comrak v0.11.0
[INFO] [stderr]     Checking specdown v0.45.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.84s
[INFO] running `Command { std: "docker" "inspect" "e0e73bf75dab5541fdac962311142220135d3e372c149f9bbed2da66d3e29a7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e73bf75dab5541fdac962311142220135d3e372c149f9bbed2da66d3e29a7f", kill_on_drop: false }`
[INFO] [stdout] e0e73bf75dab5541fdac962311142220135d3e372c149f9bbed2da66d3e29a7f