[INFO] fetching crate nbwipers 0.2.0... [INFO] checking nbwipers-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate nbwipers 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate nbwipers 0.2.0 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 nbwipers 0.2.0 [INFO] finished tweaking crates.io crate nbwipers 0.2.0 [INFO] tweaked toml for crates.io crate nbwipers 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate nbwipers 0.2.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded path-dedot v3.1.1 [INFO] [stderr] Downloaded path-absolutize v3.1.1 [INFO] [stderr] Downloaded serde_with_macros v3.4.0 [INFO] [stderr] Downloaded serde_with v3.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9aa2d905b4e25351b9b3c9df25ceb8da3d516c3d73b891611db67b59880e3415 [INFO] running `Command { std: "docker" "start" "-a" "9aa2d905b4e25351b9b3c9df25ceb8da3d516c3d73b891611db67b59880e3415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9aa2d905b4e25351b9b3c9df25ceb8da3d516c3d73b891611db67b59880e3415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aa2d905b4e25351b9b3c9df25ceb8da3d516c3d73b891611db67b59880e3415", kill_on_drop: false }` [INFO] [stdout] 9aa2d905b4e25351b9b3c9df25ceb8da3d516c3d73b891611db67b59880e3415 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6ae22446ff8d80ab08573c17da74b8ba14b4f8f26fcb6196d96a164f35a27373 [INFO] running `Command { std: "docker" "start" "-a" "6ae22446ff8d80ab08573c17da74b8ba14b4f8f26fcb6196d96a164f35a27373", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Checking gix-trace v0.1.3 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling rustix v0.38.24 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking prodash v26.2.2 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Checking winnow v0.5.19 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking bstr v1.8.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling time-macros v0.2.15 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking gix-utils v0.1.5 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking unicode-bom v2.0.3 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking kstring v2.0.0 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking path-dedot v3.1.1 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking dyn-clone v1.0.16 [INFO] [stderr] Checking path-absolutize v3.1.1 [INFO] [stderr] Checking clap_builder v4.4.8 [INFO] [stderr] Checking itertools v0.12.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking globset v0.4.13 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking newline-converter v0.2.2 [INFO] [stderr] Checking btoi v0.4.3 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking time v0.3.30 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking memmap2 v0.7.1 [INFO] [stderr] Checking gix-sec v0.10.0 [INFO] [stderr] Checking ignore v0.4.20 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking colored v2.0.4 [INFO] [stderr] Compiling darling_core v0.20.3 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Compiling darling_macro v0.20.3 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Checking gix-path v0.10.0 [INFO] [stderr] Checking gix-date v0.8.0 [INFO] [stderr] Checking gix-validate v0.8.0 [INFO] [stderr] Checking gix-quote v0.4.7 [INFO] [stderr] Checking inquire v0.6.2 [INFO] [stderr] Checking gix-actor v0.28.0 [INFO] [stderr] Checking gix-config-value v0.14.0 [INFO] [stderr] Compiling darling v0.20.3 [INFO] [stderr] Compiling serde_with_macros v3.4.0 [INFO] [stderr] Checking clap v4.4.8 [INFO] [stderr] Checking faster-hex v0.8.1 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_spanned v0.6.4 [INFO] [stderr] Checking serde_with v3.4.0 [INFO] [stderr] Checking toml_edit v0.21.0 [INFO] [stderr] Checking gix-hash v0.13.1 [INFO] [stderr] Checking gix-features v0.36.0 [INFO] [stderr] Checking gix-fs v0.8.0 [INFO] [stderr] Checking gix-object v0.38.0 [INFO] [stderr] Checking gix-glob v0.14.0 [INFO] [stderr] Checking gix-tempfile v11.0.0 [INFO] [stderr] Checking gix-lock v11.0.0 [INFO] [stderr] Checking gix-attributes v0.20.0 [INFO] [stderr] Checking toml v0.8.8 [INFO] [stderr] Checking gix-ref v0.38.0 [INFO] [stderr] Checking gix-discover v0.26.0 [INFO] [stderr] Checking gix-config v0.31.0 [INFO] [stderr] Checking nbwipers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.65s [INFO] running `Command { std: "docker" "inspect" "6ae22446ff8d80ab08573c17da74b8ba14b4f8f26fcb6196d96a164f35a27373", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ae22446ff8d80ab08573c17da74b8ba14b4f8f26fcb6196d96a164f35a27373", kill_on_drop: false }` [INFO] [stdout] 6ae22446ff8d80ab08573c17da74b8ba14b4f8f26fcb6196d96a164f35a27373 [INFO] checking nbwipers-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate nbwipers 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate nbwipers 0.2.0 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 nbwipers 0.2.0 [INFO] finished tweaking crates.io crate nbwipers 0.2.0 [INFO] tweaked toml for crates.io crate nbwipers 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate nbwipers 0.2.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd72bbc54c165766b03de3c893bc0fb28dc0526ee94b5ccca24c1357f2bca050 [INFO] running `Command { std: "docker" "start" "-a" "cd72bbc54c165766b03de3c893bc0fb28dc0526ee94b5ccca24c1357f2bca050", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd72bbc54c165766b03de3c893bc0fb28dc0526ee94b5ccca24c1357f2bca050", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd72bbc54c165766b03de3c893bc0fb28dc0526ee94b5ccca24c1357f2bca050", kill_on_drop: false }` [INFO] [stdout] cd72bbc54c165766b03de3c893bc0fb28dc0526ee94b5ccca24c1357f2bca050 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a8bc12f2955a2064bf3edc24b9ec9b830fcc48de50d16b243fdd76a74bb8d839 [INFO] running `Command { std: "docker" "start" "-a" "a8bc12f2955a2064bf3edc24b9ec9b830fcc48de50d16b243fdd76a74bb8d839", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Checking gix-trace v0.1.3 [INFO] [stderr] Checking smallvec v1.11.2 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking prodash v26.2.2 [INFO] [stderr] Compiling rustix v0.38.24 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Compiling time-core v0.1.2 [INFO] [stderr] Checking winnow v0.5.19 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking bstr v1.8.0 [INFO] [stderr] Checking deranged v0.3.9 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking home v0.5.5 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling time-macros v0.2.15 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking gix-utils v0.1.5 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking indexmap v2.1.0 [INFO] [stderr] Checking anstyle-parse v0.2.2 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking unicode-segmentation v1.10.1 [INFO] [stderr] Checking anstream v0.6.4 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking unicode-bom v2.0.3 [INFO] [stderr] Checking kstring v2.0.0 [INFO] [stderr] Checking thread_local v1.1.7 [INFO] [stderr] Checking path-dedot v3.1.1 [INFO] [stderr] Checking clap_builder v4.4.8 [INFO] [stderr] Checking dyn-clone v1.0.16 [INFO] [stderr] Checking path-absolutize v3.1.1 [INFO] [stderr] Checking globset v0.4.13 [INFO] [stderr] Checking itertools v0.12.0 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking newline-converter v0.2.2 [INFO] [stderr] Checking ignore v0.4.20 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking memmap2 v0.7.1 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking gix-sec v0.10.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking btoi v0.4.3 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking crossterm v0.25.0 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking time v0.3.30 [INFO] [stderr] Checking tempfile v3.8.1 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking colored v2.0.4 [INFO] [stderr] Compiling darling_core v0.20.3 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Compiling thiserror-impl v1.0.50 [INFO] [stderr] Compiling clap_derive v4.4.7 [INFO] [stderr] Checking thiserror v1.0.50 [INFO] [stderr] Compiling darling_macro v0.20.3 [INFO] [stderr] Checking gix-path v0.10.0 [INFO] [stderr] Checking gix-date v0.8.0 [INFO] [stderr] Checking gix-validate v0.8.0 [INFO] [stderr] Checking gix-quote v0.4.7 [INFO] [stderr] Checking inquire v0.6.2 [INFO] [stderr] Checking gix-config-value v0.14.0 [INFO] [stderr] Checking gix-actor v0.28.0 [INFO] [stderr] Checking clap v4.4.8 [INFO] [stderr] Compiling darling v0.20.3 [INFO] [stderr] Compiling serde_with_macros v3.4.0 [INFO] [stderr] Checking faster-hex v0.8.1 [INFO] [stderr] Checking serde_spanned v0.6.4 [INFO] [stderr] Checking toml_datetime v0.6.5 [INFO] [stderr] Checking serde_with v3.4.0 [INFO] [stderr] Checking toml_edit v0.21.0 [INFO] [stderr] Checking gix-hash v0.13.1 [INFO] [stderr] Checking gix-features v0.36.0 [INFO] [stderr] Checking gix-fs v0.8.0 [INFO] [stderr] Checking gix-object v0.38.0 [INFO] [stderr] Checking gix-glob v0.14.0 [INFO] [stderr] Checking gix-tempfile v11.0.0 [INFO] [stderr] Checking gix-lock v11.0.0 [INFO] [stderr] Checking gix-attributes v0.20.0 [INFO] [stderr] Checking gix-ref v0.38.0 [INFO] [stderr] Checking gix-discover v0.26.0 [INFO] [stderr] Checking gix-config v0.31.0 [INFO] [stderr] Checking toml v0.8.8 [INFO] [stderr] Checking nbwipers v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.01s [INFO] running `Command { std: "docker" "inspect" "a8bc12f2955a2064bf3edc24b9ec9b830fcc48de50d16b243fdd76a74bb8d839", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8bc12f2955a2064bf3edc24b9ec9b830fcc48de50d16b243fdd76a74bb8d839", kill_on_drop: false }` [INFO] [stdout] a8bc12f2955a2064bf3edc24b9ec9b830fcc48de50d16b243fdd76a74bb8d839