[INFO] cloning repository https://github.com/Gohla/pibs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gohla/pibs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGohla%2Fpibs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGohla%2Fpibs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a252407b09f28d5aee7fc014244e2e71de867261
[INFO] checking Gohla/pibs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGohla%2Fpibs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gohla/pibs 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/Gohla/pibs
[INFO] finished tweaking git repo https://github.com/Gohla/pibs
[INFO] tweaked toml for git repo https://github.com/Gohla/pibs written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gohla/pibs 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] warning: /workspace/builds/worker-3-tc1/source/Cargo.toml: the cargo feature `named-profiles` has been stabilized in the 1.57 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/profiles.html#custom-profiles for more information about using this feature.
[INFO] [stderr] warning: /workspace/builds/worker-3-tc1/source/Cargo.toml: the cargo feature `profile-overrides` has been stabilized in the 1.41 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/profiles.html#overrides for more information about using this feature.
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded diffy v0.3.0
[INFO] [stderr]   Downloaded similar v2.3.0
[INFO] [stderr]   Downloaded bstr v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cc0322350c80576dc59a3c920e3c3d8e73cda5a3bbd2d9cfd41c3f31a60beb88
[INFO] running `Command { std: "docker" "start" "-a" "cc0322350c80576dc59a3c920e3c3d8e73cda5a3bbd2d9cfd41c3f31a60beb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc0322350c80576dc59a3c920e3c3d8e73cda5a3bbd2d9cfd41c3f31a60beb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0322350c80576dc59a3c920e3c3d8e73cda5a3bbd2d9cfd41c3f31a60beb88", kill_on_drop: false }`
[INFO] [stdout] cc0322350c80576dc59a3c920e3c3d8e73cda5a3bbd2d9cfd41c3f31a60beb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c37c67984cdce82370a540018fac624564e3c25db31b2240ab504eb15eab7c8a
[INFO] running `Command { std: "docker" "start" "-a" "c37c67984cdce82370a540018fac624564e3c25db31b2240ab504eb15eab7c8a", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: the cargo feature `named-profiles` has been stabilized in the 1.57 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/profiles.html#custom-profiles for more information about using this feature.
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: the cargo feature `profile-overrides` has been stabilized in the 1.41 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/profiles.html#overrides for more information about using this feature.
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking tracing-log v0.1.4
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking shared_child v1.0.0
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking topological-sort v0.2.2
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking duct v0.13.6
[INFO] [stderr]     Checking diffy v0.3.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking similar v2.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking path-slash v0.2.1
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking dunce v1.0.4
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bstr v1.7.0
[INFO] [stderr]     Checking aes v0.8.3
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking opener v0.6.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.6
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking pest v2.7.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking clap v4.4.7
[INFO] [stderr]     Checking clap_complete v4.4.4
[INFO] [stderr]     Checking stepper v0.1.0 (/opt/rustwide/workdir/stepper)
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking handlebars v4.4.0
[INFO] [stderr]     Checking mdbook v0.4.35
[INFO] [stderr]     Checking mdbook-diff2html v0.1.0 (/opt/rustwide/workdir/mdbook-diff2html)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.38s
[INFO] running `Command { std: "docker" "inspect" "c37c67984cdce82370a540018fac624564e3c25db31b2240ab504eb15eab7c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37c67984cdce82370a540018fac624564e3c25db31b2240ab504eb15eab7c8a", kill_on_drop: false }`
[INFO] [stdout] c37c67984cdce82370a540018fac624564e3c25db31b2240ab504eb15eab7c8a