[INFO] fetching crate cfgfifo 0.1.0...
[INFO] checking cfgfifo-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cfgfifo 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cfgfifo 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfgfifo 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cfgfifo 0.1.0
[INFO] tweaked toml for crates.io crate cfgfifo 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate cfgfifo 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded relative-path v1.9.0
[INFO] [stderr]   Downloaded rstest_macros v0.18.2
[INFO] [stderr]   Downloaded rstest v0.18.2
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ac9bc2ab2b3c10729bc0156c8ea8c8a100a37c123c83c7b3c4ccc92e79d0a81
[INFO] running `Command { std: "docker" "start" "-a" "2ac9bc2ab2b3c10729bc0156c8ea8c8a100a37c123c83c7b3c4ccc92e79d0a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ac9bc2ab2b3c10729bc0156c8ea8c8a100a37c123c83c7b3c4ccc92e79d0a81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ac9bc2ab2b3c10729bc0156c8ea8c8a100a37c123c83c7b3c4ccc92e79d0a81", kill_on_drop: false }`
[INFO] [stdout] 2ac9bc2ab2b3c10729bc0156c8ea8c8a100a37c123c83c7b3c4ccc92e79d0a81
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02e51910ed4a42bbc60f7c75ba1c13f90c87315981334db86052186782862fc0
[INFO] running `Command { std: "docker" "start" "-a" "02e51910ed4a42bbc60f7c75ba1c13f90c87315981334db86052186782862fc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking winnow v0.5.17
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling pest v2.7.5
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]    Compiling pest_meta v2.7.5
[INFO] [stderr]     Checking serde v1.0.190
[INFO] [stderr]    Compiling pest_generator v2.7.5
[INFO] [stderr]     Checking rstest v0.18.2
[INFO] [stderr]    Compiling pest_derive v2.7.5
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking serde_yaml v0.9.27
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking rustix v0.38.21
[INFO] [stderr]     Checking toml v0.8.6
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking cfgfifo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `Command { std: "docker" "inspect" "02e51910ed4a42bbc60f7c75ba1c13f90c87315981334db86052186782862fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e51910ed4a42bbc60f7c75ba1c13f90c87315981334db86052186782862fc0", kill_on_drop: false }`
[INFO] [stdout] 02e51910ed4a42bbc60f7c75ba1c13f90c87315981334db86052186782862fc0