[INFO] cloning repository https://github.com/backwardspy/sparkler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/backwardspy/sparkler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbackwardspy%2Fsparkler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbackwardspy%2Fsparkler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de6af0ccbd46f6ed0c0a215ca605af11f0d320d9
[INFO] checking backwardspy/sparkler against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbackwardspy%2Fsparkler" "/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/backwardspy/sparkler 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/backwardspy/sparkler
[INFO] finished tweaking git repo https://github.com/backwardspy/sparkler
[INFO] tweaked toml for git repo https://github.com/backwardspy/sparkler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/backwardspy/sparkler 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] 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] 7bc49f4932d40a5efe1597b2eae4514219dfcd3ec16b3561a6f2691bbf212c17
[INFO] running `Command { std: "docker" "start" "-a" "7bc49f4932d40a5efe1597b2eae4514219dfcd3ec16b3561a6f2691bbf212c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bc49f4932d40a5efe1597b2eae4514219dfcd3ec16b3561a6f2691bbf212c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc49f4932d40a5efe1597b2eae4514219dfcd3ec16b3561a6f2691bbf212c17", kill_on_drop: false }`
[INFO] [stdout] 7bc49f4932d40a5efe1597b2eae4514219dfcd3ec16b3561a6f2691bbf212c17
[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] 4efcb83f4d059cb4c3918b30c107ef5597e80a6833bef316b3a1407038c8eee1
[INFO] running `Command { std: "docker" "start" "-a" "4efcb83f4d059cb4c3918b30c107ef5597e80a6833bef316b3a1407038c8eee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking bytemuck v1.14.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking wide v0.7.15
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]    Compiling axum v0.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.8
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking owned_ttf_parser v0.15.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking rusttype v0.9.3
[INFO] [stderr]     Checking simba v0.7.3
[INFO] [stderr]     Checking serde_path_to_error v0.1.15
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking image v0.24.9
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking thiserror v1.0.57
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking h2 v0.4.2
[INFO] [stderr]     Checking hyper v1.2.0
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking imageproc v0.23.0
[INFO] [stderr]     Checking sparkler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.26s
[INFO] running `Command { std: "docker" "inspect" "4efcb83f4d059cb4c3918b30c107ef5597e80a6833bef316b3a1407038c8eee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efcb83f4d059cb4c3918b30c107ef5597e80a6833bef316b3a1407038c8eee1", kill_on_drop: false }`
[INFO] [stdout] 4efcb83f4d059cb4c3918b30c107ef5597e80a6833bef316b3a1407038c8eee1