[INFO] cloning repository https://github.com/Notarin/shuddle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Notarin/shuddle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotarin%2Fshuddle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotarin%2Fshuddle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c619b1da2bcc529503250245bd128ec92b5cfcf1
[INFO] checking Notarin/shuddle against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotarin%2Fshuddle" "/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/Notarin/shuddle 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/Notarin/shuddle
[INFO] finished tweaking git repo https://github.com/Notarin/shuddle
[INFO] tweaked toml for git repo https://github.com/Notarin/shuddle written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Notarin/shuddle 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 kdl v5.0.0-alpha.1
[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] b329d4a8a86f41ff6f62a93cc609352edb4537c3b5a864580f1b92bdcc70b586
[INFO] running `Command { std: "docker" "start" "-a" "b329d4a8a86f41ff6f62a93cc609352edb4537c3b5a864580f1b92bdcc70b586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b329d4a8a86f41ff6f62a93cc609352edb4537c3b5a864580f1b92bdcc70b586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b329d4a8a86f41ff6f62a93cc609352edb4537c3b5a864580f1b92bdcc70b586", kill_on_drop: false }`
[INFO] [stdout] b329d4a8a86f41ff6f62a93cc609352edb4537c3b5a864580f1b92bdcc70b586
[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] 83f5b7a8e55feb20b51d1d46e9162aeb560d7ed80435fe5c615250b329dbb111
[INFO] running `Command { std: "docker" "start" "-a" "83f5b7a8e55feb20b51d1d46e9162aeb560d7ed80435fe5c615250b329dbb111", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-unicode v2.0.0
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking clap v4.4.13
[INFO] [stderr]     Checking kdl v5.0.0-alpha.1
[INFO] [stderr]     Checking shuddle v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `Command { std: "docker" "inspect" "83f5b7a8e55feb20b51d1d46e9162aeb560d7ed80435fe5c615250b329dbb111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f5b7a8e55feb20b51d1d46e9162aeb560d7ed80435fe5c615250b329dbb111", kill_on_drop: false }`
[INFO] [stdout] 83f5b7a8e55feb20b51d1d46e9162aeb560d7ed80435fe5c615250b329dbb111
[INFO] checking Notarin/shuddle against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNotarin%2Fshuddle" "/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/Notarin/shuddle 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/Notarin/shuddle
[INFO] finished tweaking git repo https://github.com/Notarin/shuddle
[INFO] tweaked toml for git repo https://github.com/Notarin/shuddle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Notarin/shuddle 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] ea4b46d0a7ebc66a943d5a5c6fc38f0824511334f8fb7fbcc0c27cf269e77bff
[INFO] running `Command { std: "docker" "start" "-a" "ea4b46d0a7ebc66a943d5a5c6fc38f0824511334f8fb7fbcc0c27cf269e77bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea4b46d0a7ebc66a943d5a5c6fc38f0824511334f8fb7fbcc0c27cf269e77bff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea4b46d0a7ebc66a943d5a5c6fc38f0824511334f8fb7fbcc0c27cf269e77bff", kill_on_drop: false }`
[INFO] [stdout] ea4b46d0a7ebc66a943d5a5c6fc38f0824511334f8fb7fbcc0c27cf269e77bff
[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] 5995bd2eabd8169c7b96d35215ab08e1a2bb42f8b579340946548226e09edb02
[INFO] running `Command { std: "docker" "start" "-a" "5995bd2eabd8169c7b96d35215ab08e1a2bb42f8b579340946548226e09edb02", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking is_ci v1.1.1
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking clap_builder v4.4.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking is-terminal v0.4.10
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking supports-unicode v2.0.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking kdl v5.0.0-alpha.1
[INFO] [stderr]     Checking clap v4.4.13
[INFO] [stderr]     Checking shuddle v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "5995bd2eabd8169c7b96d35215ab08e1a2bb42f8b579340946548226e09edb02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5995bd2eabd8169c7b96d35215ab08e1a2bb42f8b579340946548226e09edb02", kill_on_drop: false }`
[INFO] [stdout] 5995bd2eabd8169c7b96d35215ab08e1a2bb42f8b579340946548226e09edb02