[INFO] fetching crate r4_grrs 0.1.1...
[INFO] checking r4_grrs-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate r4_grrs 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate r4_grrs 0.1.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-core v1.0.6
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] [stderr]   Downloaded regex v1.8.4
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[INFO] [stderr]   Downloaded predicates-tree v1.0.9
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded clap_derive v4.3.2
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[INFO] [stderr]   Downloaded unicode-ident v1.0.9
[INFO] [stderr]   Downloaded tempfile v3.6.0
[INFO] [stderr]   Downloaded clap v4.3.2
[INFO] [stderr]   Downloaded cc v1.0.79
[INFO] [stderr]   Downloaded anyhow v1.0.71
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded strsim v0.10.0
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[INFO] [stderr]   Downloaded hermit-abi v0.3.1
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
[INFO] [stderr]   Downloaded anstyle v1.0.0
[INFO] [stderr]   Downloaded doc-comment v0.3.3
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[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded syn v2.0.18
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded assert_fs v1.0.13
[INFO] [stderr]   Downloaded io-lifetimes v1.0.11
[INFO] [stderr]   Downloaded rustix v0.37.19
[INFO] [stderr]   Downloaded clap_lex v0.5.0
[INFO] [stderr]   Downloaded bstr v1.5.0
[INFO] [stderr]   Downloaded thread_local v1.1.7
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded aho-corasick v0.7.20
[INFO] [stderr]   Downloaded colorchoice v1.0.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.0
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.0
[INFO] [stderr]   Downloaded aho-corasick v1.0.2
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.0
[INFO] [stderr]   Downloaded redox_syscall v0.3.5
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.0
[INFO] [stderr]   Downloaded libc v0.2.146
[INFO] [stderr]   Downloaded windows-targets v0.48.0
[INFO] [stderr]   Downloaded anstream v0.3.2
[INFO] [stderr]   Downloaded clap_builder v4.3.1
[INFO] [stderr]   Downloaded ignore v0.4.20
[INFO] [stderr]   Downloaded termtree v0.4.1
[INFO] [stderr]   Downloaded fastrand v1.9.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded utf8parse v0.2.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.60
[INFO] [stderr]   Downloaded quote v1.0.28
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded regex-syntax v0.7.2
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.8
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f0661b5a3f7f80123b4e8a35198c705a750585388d2df551a54104845eec118
[INFO] running `Command { std: "docker" "start" "-a" "0f0661b5a3f7f80123b4e8a35198c705a750585388d2df551a54104845eec118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f0661b5a3f7f80123b4e8a35198c705a750585388d2df551a54104845eec118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0661b5a3f7f80123b4e8a35198c705a750585388d2df551a54104845eec118", kill_on_drop: false }`
[INFO] [stdout] 0f0661b5a3f7f80123b4e8a35198c705a750585388d2df551a54104845eec118
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6cfe65f1fd79a7d6f7b5df381cbaca073430f76215449a5868a4bda4d8fff82
[INFO] running `Command { std: "docker" "start" "-a" "f6cfe65f1fd79a7d6f7b5df381cbaca073430f76215449a5868a4bda4d8fff82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.60
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking anstyle-parse v0.2.0
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking bstr v1.5.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking fastrand v1.9.0
[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 is-terminal v0.4.7
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking clap_builder v4.3.1
[INFO] [stderr]     Checking globwalk v0.8.1
[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 4.31s
[INFO] running `Command { std: "docker" "inspect" "f6cfe65f1fd79a7d6f7b5df381cbaca073430f76215449a5868a4bda4d8fff82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cfe65f1fd79a7d6f7b5df381cbaca073430f76215449a5868a4bda4d8fff82", kill_on_drop: false }`
[INFO] [stdout] f6cfe65f1fd79a7d6f7b5df381cbaca073430f76215449a5868a4bda4d8fff82