[INFO] fetching crate funixtools 0.2.2...
[INFO] checking funixtools-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate funixtools 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate funixtools 0.2.2 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 funixtools 0.2.2
[INFO] finished tweaking crates.io crate funixtools 0.2.2
[INFO] tweaked toml for crates.io crate funixtools 0.2.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate funixtools 0.2.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.47
[INFO] [stderr]   Downloaded thiserror v1.0.47
[INFO] [stderr]   Downloaded anstyle v1.0.2
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded clap_derive v4.4.0
[INFO] [stderr]   Downloaded clap v4.4.0
[INFO] [stderr]   Downloaded clap_builder v4.4.0
[INFO] [stderr]   Downloaded rustix v0.38.9
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[INFO] [stderr]   Downloaded regex-automata v0.3.7
[INFO] [stderr]   Downloaded object v0.32.0
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.4
[INFO] [stderr]   Downloaded regex v1.9.4
[INFO] [stderr]   Downloaded nix v0.27.0
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded winnow v0.5.15
[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] 3857f913a520231857634ccee2b10dd27e8534105260a4fdbe1b522a8cfa2836
[INFO] running `Command { std: "docker" "start" "-a" "3857f913a520231857634ccee2b10dd27e8534105260a4fdbe1b522a8cfa2836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3857f913a520231857634ccee2b10dd27e8534105260a4fdbe1b522a8cfa2836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3857f913a520231857634ccee2b10dd27e8534105260a4fdbe1b522a8cfa2836", kill_on_drop: false }`
[INFO] [stdout] 3857f913a520231857634ccee2b10dd27e8534105260a4fdbe1b522a8cfa2836
[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] c164159ed36e88fcaa4e385705247df965699c7d400a484b6847ca31a4e8e59f
[INFO] running `Command { std: "docker" "start" "-a" "c164159ed36e88fcaa4e385705247df965699c7d400a484b6847ca31a4e8e59f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling rustix v0.38.9
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking object v0.32.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking nix v0.27.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking funixtools v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.23s
[INFO] running `Command { std: "docker" "inspect" "c164159ed36e88fcaa4e385705247df965699c7d400a484b6847ca31a4e8e59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c164159ed36e88fcaa4e385705247df965699c7d400a484b6847ca31a4e8e59f", kill_on_drop: false }`
[INFO] [stdout] c164159ed36e88fcaa4e385705247df965699c7d400a484b6847ca31a4e8e59f
[INFO] checking funixtools-0.2.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate funixtools 0.2.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate funixtools 0.2.2 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 funixtools 0.2.2
[INFO] finished tweaking crates.io crate funixtools 0.2.2
[INFO] tweaked toml for crates.io crate funixtools 0.2.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate funixtools 0.2.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a6a0384ebbdbf761def87502fc87c2a9c1db1ba5c46f623c824de451223dd8f6
[INFO] running `Command { std: "docker" "start" "-a" "a6a0384ebbdbf761def87502fc87c2a9c1db1ba5c46f623c824de451223dd8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a0384ebbdbf761def87502fc87c2a9c1db1ba5c46f623c824de451223dd8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a0384ebbdbf761def87502fc87c2a9c1db1ba5c46f623c824de451223dd8f6", kill_on_drop: false }`
[INFO] [stdout] a6a0384ebbdbf761def87502fc87c2a9c1db1ba5c46f623c824de451223dd8f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6c89111bcae3cbb2f9d51761c5ae7a6fc382f4f34316a9970c65d9906ae2500d
[INFO] running `Command { std: "docker" "start" "-a" "6c89111bcae3cbb2f9d51761c5ae7a6fc382f4f34316a9970c65d9906ae2500d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]    Compiling rustix v0.38.9
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking option-ext v0.2.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap_builder v4.4.0
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking object v0.32.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking nix v0.27.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking regex-automata v0.3.7
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking toml_edit v0.19.14
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]     Checking toml v0.7.6
[INFO] [stderr]     Checking regex v1.9.4
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking clap v4.4.0
[INFO] [stderr]     Checking funixtools v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.70s
[INFO] running `Command { std: "docker" "inspect" "6c89111bcae3cbb2f9d51761c5ae7a6fc382f4f34316a9970c65d9906ae2500d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c89111bcae3cbb2f9d51761c5ae7a6fc382f4f34316a9970c65d9906ae2500d", kill_on_drop: false }`
[INFO] [stdout] 6c89111bcae3cbb2f9d51761c5ae7a6fc382f4f34316a9970c65d9906ae2500d