[INFO] fetching crate testdata-macros 0.1.0...
[INFO] checking testdata-macros-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate testdata-macros 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate testdata-macros 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-macros 0.1.0
[INFO] finished tweaking crates.io crate testdata-macros 0.1.0
[INFO] tweaked toml for crates.io crate testdata-macros 0.1.0 written to /workspace/builds/worker-4-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 35 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 utime v0.3.1
[INFO] [stderr]   Downloaded testdata-rt v0.1.0
[INFO] [stderr]   Downloaded big_s v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dd12e64bebcbe9a1673b9b18e47cd6d7b74095f68e5aee5a4ba742bf7b5e46e0
[INFO] running `Command { std: "docker" "start" "-a" "dd12e64bebcbe9a1673b9b18e47cd6d7b74095f68e5aee5a4ba742bf7b5e46e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd12e64bebcbe9a1673b9b18e47cd6d7b74095f68e5aee5a4ba742bf7b5e46e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd12e64bebcbe9a1673b9b18e47cd6d7b74095f68e5aee5a4ba742bf7b5e46e0", kill_on_drop: false }`
[INFO] [stdout] dd12e64bebcbe9a1673b9b18e47cd6d7b74095f68e5aee5a4ba742bf7b5e46e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 17d8ac4c77af6b9f6fb36d6ec25d1a11dd7ebddcb22225d3fbde77a3387e9308
[INFO] running `Command { std: "docker" "start" "-a" "17d8ac4c77af6b9f6fb36d6ec25d1a11dd7ebddcb22225d3fbde77a3387e9308", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking path-slash v0.2.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking big_s v1.0.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking utime v0.3.1
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking testdata-rt v0.1.0
[INFO] [stderr]     Checking testdata-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "17d8ac4c77af6b9f6fb36d6ec25d1a11dd7ebddcb22225d3fbde77a3387e9308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d8ac4c77af6b9f6fb36d6ec25d1a11dd7ebddcb22225d3fbde77a3387e9308", kill_on_drop: false }`
[INFO] [stdout] 17d8ac4c77af6b9f6fb36d6ec25d1a11dd7ebddcb22225d3fbde77a3387e9308
[INFO] checking testdata-macros-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate testdata-macros 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate testdata-macros 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-macros 0.1.0
[INFO] finished tweaking crates.io crate testdata-macros 0.1.0
[INFO] tweaked toml for crates.io crate testdata-macros 0.1.0 written to /workspace/builds/worker-4-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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 45b6a2ad8cf8672a97858b5a7f6f59abaec762562d54370a4440b802395fab7a
[INFO] running `Command { std: "docker" "start" "-a" "45b6a2ad8cf8672a97858b5a7f6f59abaec762562d54370a4440b802395fab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45b6a2ad8cf8672a97858b5a7f6f59abaec762562d54370a4440b802395fab7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b6a2ad8cf8672a97858b5a7f6f59abaec762562d54370a4440b802395fab7a", kill_on_drop: false }`
[INFO] [stdout] 45b6a2ad8cf8672a97858b5a7f6f59abaec762562d54370a4440b802395fab7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 079216f61f9c05114247fd447f15b5b84bb7d088802dd8644d456b0ebe0da811
[INFO] running `Command { std: "docker" "start" "-a" "079216f61f9c05114247fd447f15b5b84bb7d088802dd8644d456b0ebe0da811", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking path-slash v0.2.1
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking big_s v1.0.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking utime v0.3.1
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling bytemuck_derive v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking testdata-rt v0.1.0
[INFO] [stderr]     Checking testdata-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> 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] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> 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] [stderr] error: could not compile `testdata-macros` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "079216f61f9c05114247fd447f15b5b84bb7d088802dd8644d456b0ebe0da811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079216f61f9c05114247fd447f15b5b84bb7d088802dd8644d456b0ebe0da811", kill_on_drop: false }`
[INFO] [stdout] 079216f61f9c05114247fd447f15b5b84bb7d088802dd8644d456b0ebe0da811