[INFO] fetching crate rublk 0.1.3...
[INFO] checking rublk-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate rublk 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rublk 0.1.3 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 crates.io crate rublk 0.1.3
[INFO] finished tweaking crates.io crate rublk 0.1.3
[INFO] tweaked toml for crates.io crate rublk 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rublk 0.1.3 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 daemonize v0.5.0
[INFO] [stderr]   Downloaded ilog v1.0.1
[INFO] [stderr]   Downloaded win-sys v0.3.1
[INFO] [stderr]   Downloaded bitmaps v3.2.0
[INFO] [stderr]   Downloaded shared_memory v0.12.4
[INFO] [stderr]   Downloaded io-uring v0.6.2
[INFO] [stderr]   Downloaded libublk v0.2.1
[INFO] [stderr]   Downloaded windows v0.34.0
[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] 1c9bfa585d2692aefd711ff03416bccbe4fd01c4f1f74e853705e35e97796f1e
[INFO] running `Command { std: "docker" "start" "-a" "1c9bfa585d2692aefd711ff03416bccbe4fd01c4f1f74e853705e35e97796f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9bfa585d2692aefd711ff03416bccbe4fd01c4f1f74e853705e35e97796f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9bfa585d2692aefd711ff03416bccbe4fd01c4f1f74e853705e35e97796f1e", kill_on_drop: false }`
[INFO] [stdout] 1c9bfa585d2692aefd711ff03416bccbe4fd01c4f1f74e853705e35e97796f1e
[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] 52fd2d20d47d57ee1558dde4af0df9ef30d2a37eb547dda8c5487e6b63b471ba
[INFO] running `Command { std: "docker" "start" "-a" "52fd2d20d47d57ee1558dde4af0df9ef30d2a37eb547dda8c5487e6b63b471ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling io-uring v0.6.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bitmaps v3.2.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking ilog v1.0.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking shared_memory v0.12.4
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking clap v4.4.7
[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 futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]    Compiling libublk v0.2.1
[INFO] [stderr]     Checking rublk v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.81s
[INFO] running `Command { std: "docker" "inspect" "52fd2d20d47d57ee1558dde4af0df9ef30d2a37eb547dda8c5487e6b63b471ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fd2d20d47d57ee1558dde4af0df9ef30d2a37eb547dda8c5487e6b63b471ba", kill_on_drop: false }`
[INFO] [stdout] 52fd2d20d47d57ee1558dde4af0df9ef30d2a37eb547dda8c5487e6b63b471ba
[INFO] checking rublk-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate rublk 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rublk 0.1.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rublk 0.1.3
[INFO] finished tweaking crates.io crate rublk 0.1.3
[INFO] tweaked toml for crates.io crate rublk 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rublk 0.1.3 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 888809f124b695d6b4d249178691c0ffe6783434bfcb69caf303395900bc4ce0
[INFO] running `Command { std: "docker" "start" "-a" "888809f124b695d6b4d249178691c0ffe6783434bfcb69caf303395900bc4ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "888809f124b695d6b4d249178691c0ffe6783434bfcb69caf303395900bc4ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888809f124b695d6b4d249178691c0ffe6783434bfcb69caf303395900bc4ce0", kill_on_drop: false }`
[INFO] [stdout] 888809f124b695d6b4d249178691c0ffe6783434bfcb69caf303395900bc4ce0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 274b21e55feb15aad75f0828b87fb783513168e63b804ed57e046318227367c0
[INFO] running `Command { std: "docker" "start" "-a" "274b21e55feb15aad75f0828b87fb783513168e63b804ed57e046318227367c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling io-uring v0.6.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking clap_builder v4.4.7
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking bitmaps v3.2.0
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-syntax-0.8.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=bfd7acc495db8564 -C extra-filename=-bfd7acc495db8564 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "274b21e55feb15aad75f0828b87fb783513168e63b804ed57e046318227367c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274b21e55feb15aad75f0828b87fb783513168e63b804ed57e046318227367c0", kill_on_drop: false }`
[INFO] [stdout] 274b21e55feb15aad75f0828b87fb783513168e63b804ed57e046318227367c0