[INFO] cloning repository https://github.com/dennis-lawter/billion-row-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dennis-lawter/billion-row-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-lawter%2Fbillion-row-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-lawter%2Fbillion-row-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4736b41945347f051b823329a89ed161ed040521
[INFO] checking dennis-lawter/billion-row-gen against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-lawter%2Fbillion-row-gen" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dennis-lawter/billion-row-gen 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/dennis-lawter/billion-row-gen
[INFO] finished tweaking git repo https://github.com/dennis-lawter/billion-row-gen
[INFO] tweaked toml for git repo https://github.com/dennis-lawter/billion-row-gen written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dennis-lawter/billion-row-gen 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 10891bbbf8077991c29d65f3992e8795a83365ad9220c13a8dee958bff870c1e
[INFO] running `Command { std: "docker" "start" "-a" "10891bbbf8077991c29d65f3992e8795a83365ad9220c13a8dee958bff870c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10891bbbf8077991c29d65f3992e8795a83365ad9220c13a8dee958bff870c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10891bbbf8077991c29d65f3992e8795a83365ad9220c13a8dee958bff870c1e", kill_on_drop: false }`
[INFO] [stdout] 10891bbbf8077991c29d65f3992e8795a83365ad9220c13a8dee958bff870c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 046b2883179cfb4093206e2325246c33400d55891623a6376e38f17154a8102c
[INFO] running `Command { std: "docker" "start" "-a" "046b2883179cfb4093206e2325246c33400d55891623a6376e38f17154a8102c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking anstream v0.6.12
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking billion-row-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.34s
[INFO] running `Command { std: "docker" "inspect" "046b2883179cfb4093206e2325246c33400d55891623a6376e38f17154a8102c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "046b2883179cfb4093206e2325246c33400d55891623a6376e38f17154a8102c", kill_on_drop: false }`
[INFO] [stdout] 046b2883179cfb4093206e2325246c33400d55891623a6376e38f17154a8102c
[INFO] checking dennis-lawter/billion-row-gen against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennis-lawter%2Fbillion-row-gen" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dennis-lawter/billion-row-gen 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 git repo https://github.com/dennis-lawter/billion-row-gen
[INFO] finished tweaking git repo https://github.com/dennis-lawter/billion-row-gen
[INFO] tweaked toml for git repo https://github.com/dennis-lawter/billion-row-gen written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dennis-lawter/billion-row-gen 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 713ca87e82466ed1335edee869d55b2d8f935fa9b1d4faf9b91be437404b980c
[INFO] running `Command { std: "docker" "start" "-a" "713ca87e82466ed1335edee869d55b2d8f935fa9b1d4faf9b91be437404b980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "713ca87e82466ed1335edee869d55b2d8f935fa9b1d4faf9b91be437404b980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "713ca87e82466ed1335edee869d55b2d8f935fa9b1d4faf9b91be437404b980c", kill_on_drop: false }`
[INFO] [stdout] 713ca87e82466ed1335edee869d55b2d8f935fa9b1d4faf9b91be437404b980c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 52ea0a6ca9d503edcdb61347d64ab61db371e860a89e29e2baee8791ed39b55f
[INFO] running `Command { std: "docker" "start" "-a" "52ea0a6ca9d503edcdb61347d64ab61db371e860a89e29e2baee8791ed39b55f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking anstream v0.6.12
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking clap_builder v4.5.1
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking clap v4.5.1
[INFO] [stderr]     Checking billion-row-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.78s
[INFO] running `Command { std: "docker" "inspect" "52ea0a6ca9d503edcdb61347d64ab61db371e860a89e29e2baee8791ed39b55f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ea0a6ca9d503edcdb61347d64ab61db371e860a89e29e2baee8791ed39b55f", kill_on_drop: false }`
[INFO] [stdout] 52ea0a6ca9d503edcdb61347d64ab61db371e860a89e29e2baee8791ed39b55f