[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] 520fef3b50f8b268f763a510a35928b4e28aa301
[INFO] checking specdown/specdown against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspecdown%2Fspecdown" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/specdown/specdown on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-2-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded plist v1.4.2
[INFO] [stderr]   Downloaded clap_complete_nushell v0.1.10
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.2.0
[INFO] [stderr]   Downloaded anstyle v0.3.1
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] [stderr]   Downloaded time v0.3.20
[INFO] [stderr]   Downloaded comrak v0.20.0
[INFO] [stderr]   Downloaded bstr v1.3.0
[INFO] [stderr]   Downloaded syntect v5.0.0
[INFO] [stderr]   Downloaded predicates v3.0.1
[INFO] [stderr]   Downloaded clap_complete_fig v4.1.1
[INFO] [stderr]   Downloaded clap_complete v4.1.4
[INFO] [stderr]   Downloaded clap_complete_command v0.5.1
[INFO] [stderr]   Downloaded indexmap v1.9.2
[INFO] [stderr]   Downloaded time-macros v0.2.8
[INFO] [stderr]   Downloaded serde_derive v1.0.154
[INFO] [stderr]   Downloaded termdiff v3.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09d91bfcce8df6c345ce9785dbf80375ded44ead4c47f5af7f0e2ce60e831a96
[INFO] running `Command { std: "docker" "start" "-a" "09d91bfcce8df6c345ce9785dbf80375ded44ead4c47f5af7f0e2ce60e831a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d91bfcce8df6c345ce9785dbf80375ded44ead4c47f5af7f0e2ce60e831a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d91bfcce8df6c345ce9785dbf80375ded44ead4c47f5af7f0e2ce60e831a96", kill_on_drop: false }`
[INFO] [stdout] 09d91bfcce8df6c345ce9785dbf80375ded44ead4c47f5af7f0e2ce60e831a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70a489be517243a64e8759c5ac4f5919983d82f03d60916bb23c484d85a19df6
[INFO] running `Command { std: "docker" "start" "-a" "70a489be517243a64e8759c5ac4f5919983d82f03d60916bb23c484d85a19df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling serde v1.0.154
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking time-core v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.154
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking time v0.3.20
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking quick-xml v0.27.1
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking anstyle v0.3.1
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking typed-arena v2.0.2
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking bstr v1.3.0
[INFO] [stderr]     Checking predicates v3.0.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.2.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking assert_cmd v2.0.13
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking termdiff v3.1.2
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.4.2
[INFO] [stderr]     Checking serde_json v1.0.94
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking clap v4.5.3
[INFO] [stderr]     Checking clap_complete v4.1.4
[INFO] [stderr]     Checking clap_complete_fig v4.1.1
[INFO] [stderr]     Checking clap_complete_nushell v0.1.10
[INFO] [stderr]     Checking clap_complete_command v0.5.1
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking comrak v0.20.0
[INFO] [stderr]     Checking specdown v1.2.92 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.84s
[INFO] running `Command { std: "docker" "inspect" "70a489be517243a64e8759c5ac4f5919983d82f03d60916bb23c484d85a19df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70a489be517243a64e8759c5ac4f5919983d82f03d60916bb23c484d85a19df6", kill_on_drop: false }`
[INFO] [stdout] 70a489be517243a64e8759c5ac4f5919983d82f03d60916bb23c484d85a19df6