[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] 2795c9c0ba67ed237a61219ad122a897d0912c0d
[INFO] checking specdown/specdown against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/specdown/specdown on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-16/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cb8e45c2309977676200e564e9f0c8b40b314dbab3e2526c3840cc054d9deb6
[INFO] running `Command { std: "docker" "start" "-a" "1cb8e45c2309977676200e564e9f0c8b40b314dbab3e2526c3840cc054d9deb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cb8e45c2309977676200e564e9f0c8b40b314dbab3e2526c3840cc054d9deb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cb8e45c2309977676200e564e9f0c8b40b314dbab3e2526c3840cc054d9deb6", kill_on_drop: false }`
[INFO] [stdout] 1cb8e45c2309977676200e564e9f0c8b40b314dbab3e2526c3840cc054d9deb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cc78b423cbb8087f85ad6ae1d8773dacbcc32d7032c5b814051f90383291785
[INFO] running `Command { std: "docker" "start" "-a" "7cc78b423cbb8087f85ad6ae1d8773dacbcc32d7032c5b814051f90383291785", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking minimal-lexical v0.1.4
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking predicates v2.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]     Checking comrak v0.10.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking termdiff v3.0.0
[INFO] [stderr]     Checking specdown v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "7cc78b423cbb8087f85ad6ae1d8773dacbcc32d7032c5b814051f90383291785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cc78b423cbb8087f85ad6ae1d8773dacbcc32d7032c5b814051f90383291785", kill_on_drop: false }`
[INFO] [stdout] 7cc78b423cbb8087f85ad6ae1d8773dacbcc32d7032c5b814051f90383291785