[INFO] fetching crate unionfarm 0.1.4...
[INFO] checking unionfarm-0.1.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate unionfarm 0.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate unionfarm 0.1.4 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 unionfarm 0.1.4
[INFO] finished tweaking crates.io crate unionfarm 0.1.4
[INFO] tweaked toml for crates.io crate unionfarm 0.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate unionfarm 0.1.4 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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 84f2302b6d78b7a201256abd39ef3253907d328961d0aa960363ae92e6d56edd
[INFO] running `Command { std: "docker" "start" "-a" "84f2302b6d78b7a201256abd39ef3253907d328961d0aa960363ae92e6d56edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f2302b6d78b7a201256abd39ef3253907d328961d0aa960363ae92e6d56edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f2302b6d78b7a201256abd39ef3253907d328961d0aa960363ae92e6d56edd", kill_on_drop: false }`
[INFO] [stdout] 84f2302b6d78b7a201256abd39ef3253907d328961d0aa960363ae92e6d56edd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 37da68aef5007ccadc41723dec05fe491fca633ebb5f325e5cb857e84de1b917
[INFO] running `Command { std: "docker" "start" "-a" "37da68aef5007ccadc41723dec05fe491fca633ebb5f325e5cb857e84de1b917", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]     Checking clap-verbosity-flag v2.0.1
[INFO] [stderr]     Checking unionfarm v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.03s
[INFO] running `Command { std: "docker" "inspect" "37da68aef5007ccadc41723dec05fe491fca633ebb5f325e5cb857e84de1b917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37da68aef5007ccadc41723dec05fe491fca633ebb5f325e5cb857e84de1b917", kill_on_drop: false }`
[INFO] [stdout] 37da68aef5007ccadc41723dec05fe491fca633ebb5f325e5cb857e84de1b917
[INFO] checking unionfarm-0.1.4 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate unionfarm 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate unionfarm 0.1.4 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 unionfarm 0.1.4
[INFO] finished tweaking crates.io crate unionfarm 0.1.4
[INFO] tweaked toml for crates.io crate unionfarm 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate unionfarm 0.1.4 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0c7c9cd44a51054cee8ce5576f6cce7441de2f5f403f778bca8e91ebdbb4932b
[INFO] running `Command { std: "docker" "start" "-a" "0c7c9cd44a51054cee8ce5576f6cce7441de2f5f403f778bca8e91ebdbb4932b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7c9cd44a51054cee8ce5576f6cce7441de2f5f403f778bca8e91ebdbb4932b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7c9cd44a51054cee8ce5576f6cce7441de2f5f403f778bca8e91ebdbb4932b", kill_on_drop: false }`
[INFO] [stdout] 0c7c9cd44a51054cee8ce5576f6cce7441de2f5f403f778bca8e91ebdbb4932b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d8f18e522968832736f261078140eedda3a45a94fa9a7d3b09da5a41134475e9
[INFO] running `Command { std: "docker" "start" "-a" "d8f18e522968832736f261078140eedda3a45a94fa9a7d3b09da5a41134475e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking gimli v0.28.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.5
[INFO] [stderr]     Checking aho-corasick v1.1.1
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking clap v4.4.5
[INFO] [stderr]     Checking clap-verbosity-flag v2.0.1
[INFO] [stderr]     Checking unionfarm v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.59s
[INFO] running `Command { std: "docker" "inspect" "d8f18e522968832736f261078140eedda3a45a94fa9a7d3b09da5a41134475e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f18e522968832736f261078140eedda3a45a94fa9a7d3b09da5a41134475e9", kill_on_drop: false }`
[INFO] [stdout] d8f18e522968832736f261078140eedda3a45a94fa9a7d3b09da5a41134475e9