[INFO] fetching crate testdata 0.1.0...
[INFO] checking testdata-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate testdata 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate testdata 0.1.0 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 testdata 0.1.0
[INFO] finished tweaking crates.io crate testdata 0.1.0
[INFO] tweaked toml for crates.io crate testdata 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding yansi v0.5.1 (latest: v1.0.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded testdata-rt v0.1.0
[INFO] [stderr]   Downloaded utime v0.3.1
[INFO] [stderr]   Downloaded testdata-macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a32f7bcab07e0def54c3408769d7b113330c4ffce7365812bf2a47424a4a9863
[INFO] running `Command { std: "docker" "start" "-a" "a32f7bcab07e0def54c3408769d7b113330c4ffce7365812bf2a47424a4a9863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a32f7bcab07e0def54c3408769d7b113330c4ffce7365812bf2a47424a4a9863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32f7bcab07e0def54c3408769d7b113330c4ffce7365812bf2a47424a4a9863", kill_on_drop: false }`
[INFO] [stdout] a32f7bcab07e0def54c3408769d7b113330c4ffce7365812bf2a47424a4a9863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f8a50f4e36e80f25bfc48f4b5e85c4337e71f274b5c9e16e4c84ddb8c4218ce8
[INFO] running `Command { std: "docker" "start" "-a" "f8a50f4e36e80f25bfc48f4b5e85c4337e71f274b5c9e16e4c84ddb8c4218ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]    Compiling utime v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling testdata-rt v0.1.0
[INFO] [stderr]    Compiling testdata-macros v0.1.0
[INFO] [stderr]     Checking testdata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.34s
[INFO] running `Command { std: "docker" "inspect" "f8a50f4e36e80f25bfc48f4b5e85c4337e71f274b5c9e16e4c84ddb8c4218ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a50f4e36e80f25bfc48f4b5e85c4337e71f274b5c9e16e4c84ddb8c4218ce8", kill_on_drop: false }`
[INFO] [stdout] f8a50f4e36e80f25bfc48f4b5e85c4337e71f274b5c9e16e4c84ddb8c4218ce8
[INFO] checking testdata-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate testdata 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate testdata 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate testdata 0.1.0
[INFO] finished tweaking crates.io crate testdata 0.1.0
[INFO] tweaked toml for crates.io crate testdata 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4306d2c249a59be6dbd0327d921a973700bdce53627b293129f2206e39694323
[INFO] running `Command { std: "docker" "start" "-a" "4306d2c249a59be6dbd0327d921a973700bdce53627b293129f2206e39694323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4306d2c249a59be6dbd0327d921a973700bdce53627b293129f2206e39694323", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4306d2c249a59be6dbd0327d921a973700bdce53627b293129f2206e39694323", kill_on_drop: false }`
[INFO] [stdout] 4306d2c249a59be6dbd0327d921a973700bdce53627b293129f2206e39694323
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca401bda2318698f4c4c94c3bd11c9015093cddc4f1d20dc8a10869e9ae5f02
[INFO] running `Command { std: "docker" "start" "-a" "7ca401bda2318698f4c4c94c3bd11c9015093cddc4f1d20dc8a10869e9ae5f02", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]    Compiling utime v0.3.1
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling bstr v1.9.1
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling testdata-rt v0.1.0
[INFO] [stderr]    Compiling testdata-macros v0.1.0
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/testdata-macros-0.1.0/src/attrs.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | /                         if let Lit::Str(lit) = &arg.lit {
[INFO] [stdout] 30 | |                             root = Some(lit.value());
[INFO] [stdout] 31 | |                             continue;
[INFO] [stdout] 32 | |                         } else {
[INFO] [stdout] 33 | |                             return Err(syn::Error::new(arg.lit.span(), "invalid argument value"));
[INFO] [stdout] 34 | |                         }
[INFO] [stdout]    | |_________________________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testdata-macros` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7ca401bda2318698f4c4c94c3bd11c9015093cddc4f1d20dc8a10869e9ae5f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca401bda2318698f4c4c94c3bd11c9015093cddc4f1d20dc8a10869e9ae5f02", kill_on_drop: false }`
[INFO] [stdout] 7ca401bda2318698f4c4c94c3bd11c9015093cddc4f1d20dc8a10869e9ae5f02