[INFO] fetching crate r4_grrs 0.1.1...
[INFO] checking r4_grrs-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate r4_grrs 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate r4_grrs 0.1.1 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 r4_grrs 0.1.1
[INFO] finished tweaking crates.io crate r4_grrs 0.1.1
[INFO] tweaked toml for crates.io crate r4_grrs 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate r4_grrs 0.1.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded clap v4.3.2
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded bstr v1.5.0
[INFO] [stderr]   Downloaded assert_fs v1.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 04abb163f4ae8e8f743a42204a8a5065561fd2072e220edb76dcc16f558f1d6f
[INFO] running `Command { std: "docker" "start" "-a" "04abb163f4ae8e8f743a42204a8a5065561fd2072e220edb76dcc16f558f1d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04abb163f4ae8e8f743a42204a8a5065561fd2072e220edb76dcc16f558f1d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04abb163f4ae8e8f743a42204a8a5065561fd2072e220edb76dcc16f558f1d6f", kill_on_drop: false }`
[INFO] [stdout] 04abb163f4ae8e8f743a42204a8a5065561fd2072e220edb76dcc16f558f1d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 52089330df86eb288306c18cd8842dd75fb67126f2ccfa4f9b6b58a5337c8151
[INFO] running `Command { std: "docker" "start" "-a" "52089330df86eb288306c18cd8842dd75fb67126f2ccfa4f9b6b58a5337c8151", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]     Checking clap_builder v4.3.1
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap v4.3.2
[INFO] [stderr]     Checking r4_grrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "52089330df86eb288306c18cd8842dd75fb67126f2ccfa4f9b6b58a5337c8151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52089330df86eb288306c18cd8842dd75fb67126f2ccfa4f9b6b58a5337c8151", kill_on_drop: false }`
[INFO] [stdout] 52089330df86eb288306c18cd8842dd75fb67126f2ccfa4f9b6b58a5337c8151
[INFO] checking r4_grrs-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate r4_grrs 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate r4_grrs 0.1.1 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 r4_grrs 0.1.1
[INFO] finished tweaking crates.io crate r4_grrs 0.1.1
[INFO] tweaked toml for crates.io crate r4_grrs 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate r4_grrs 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9dae5b8aac31361977e3d7455d621f1ccd0e2b968bc62129bc13a7c6e732416f
[INFO] running `Command { std: "docker" "start" "-a" "9dae5b8aac31361977e3d7455d621f1ccd0e2b968bc62129bc13a7c6e732416f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dae5b8aac31361977e3d7455d621f1ccd0e2b968bc62129bc13a7c6e732416f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dae5b8aac31361977e3d7455d621f1ccd0e2b968bc62129bc13a7c6e732416f", kill_on_drop: false }`
[INFO] [stdout] 9dae5b8aac31361977e3d7455d621f1ccd0e2b968bc62129bc13a7c6e732416f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0ea738a4a9d77ce336391093ed6179b24abd4a881b70875213d27fe09c3d1b04
[INFO] running `Command { std: "docker" "start" "-a" "0ea738a4a9d77ce336391093ed6179b24abd4a881b70875213d27fe09c3d1b04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.1
[INFO] [stderr]     Checking assert_fs v1.0.13
[INFO] [stderr]    Compiling clap_derive v4.3.2
[INFO] [stderr]     Checking clap v4.3.2
[INFO] [stderr]     Checking r4_grrs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "0ea738a4a9d77ce336391093ed6179b24abd4a881b70875213d27fe09c3d1b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea738a4a9d77ce336391093ed6179b24abd4a881b70875213d27fe09c3d1b04", kill_on_drop: false }`
[INFO] [stdout] 0ea738a4a9d77ce336391093ed6179b24abd4a881b70875213d27fe09c3d1b04