[INFO] fetching crate doubletake 0.0.0-alpha.13...
[INFO] checking doubletake-0.0.0-alpha.13 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate doubletake 0.0.0-alpha.13 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate doubletake 0.0.0-alpha.13 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 doubletake 0.0.0-alpha.13
[INFO] finished tweaking crates.io crate doubletake 0.0.0-alpha.13
[INFO] tweaked toml for crates.io crate doubletake 0.0.0-alpha.13 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate doubletake 0.0.0-alpha.13 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 slip21 v0.2.1
[INFO] [stderr]   Downloaded secp256k1-zkp v0.9.2
[INFO] [stderr]   Downloaded hex-conservative v0.1.1
[INFO] [stderr]   Downloaded clap v4.3.19
[INFO] [stderr]   Downloaded serde v1.0.180
[INFO] [stderr]   Downloaded clap_builder v4.3.19
[INFO] [stderr]   Downloaded rustix v0.38.6
[INFO] [stderr]   Downloaded bitcoin v0.30.1
[INFO] [stderr]   Downloaded elements v0.23.0
[INFO] [stderr]   Downloaded serde_derive v1.0.180
[INFO] [stderr]   Downloaded secp256k1-zkp-sys v0.8.1
[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] d39aff1cd9acbd76b51ee000e40154a49241f4aad612528e151c74fbe6d38b99
[INFO] running `Command { std: "docker" "start" "-a" "d39aff1cd9acbd76b51ee000e40154a49241f4aad612528e151c74fbe6d38b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d39aff1cd9acbd76b51ee000e40154a49241f4aad612528e151c74fbe6d38b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d39aff1cd9acbd76b51ee000e40154a49241f4aad612528e151c74fbe6d38b99", kill_on_drop: false }`
[INFO] [stdout] d39aff1cd9acbd76b51ee000e40154a49241f4aad612528e151c74fbe6d38b99
[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] 91e325bb4e117a8848942f37ab41ad016aab89f7875c7fe881cdf17a0703e5a0
[INFO] running `Command { std: "docker" "start" "-a" "91e325bb4e117a8848942f37ab41ad016aab89f7875c7fe881cdf17a0703e5a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling bitcoin v0.30.1
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking hex-conservative v0.1.1
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling secp256k1-zkp-sys v0.8.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking slip21 v0.2.1
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking anstream v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking bitcoin_hashes v0.12.0
[INFO] [stderr]    Compiling clap_derive v4.3.12
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]     Checking secp256k1-zkp v0.9.2
[INFO] [stderr]     Checking elements v0.23.0
[INFO] [stderr]     Checking doubletake v0.0.0-alpha.13 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "91e325bb4e117a8848942f37ab41ad016aab89f7875c7fe881cdf17a0703e5a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e325bb4e117a8848942f37ab41ad016aab89f7875c7fe881cdf17a0703e5a0", kill_on_drop: false }`
[INFO] [stdout] 91e325bb4e117a8848942f37ab41ad016aab89f7875c7fe881cdf17a0703e5a0
[INFO] checking doubletake-0.0.0-alpha.13 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate doubletake 0.0.0-alpha.13 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate doubletake 0.0.0-alpha.13 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 doubletake 0.0.0-alpha.13
[INFO] finished tweaking crates.io crate doubletake 0.0.0-alpha.13
[INFO] tweaked toml for crates.io crate doubletake 0.0.0-alpha.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate doubletake 0.0.0-alpha.13 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" "+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] edb947ccadb2762d5aca173fb896faca80bf073e82ad331717f9d871e101a98d
[INFO] running `Command { std: "docker" "start" "-a" "edb947ccadb2762d5aca173fb896faca80bf073e82ad331717f9d871e101a98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edb947ccadb2762d5aca173fb896faca80bf073e82ad331717f9d871e101a98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb947ccadb2762d5aca173fb896faca80bf073e82ad331717f9d871e101a98d", kill_on_drop: false }`
[INFO] [stdout] edb947ccadb2762d5aca173fb896faca80bf073e82ad331717f9d871e101a98d
[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] db20db48e2243f498f6f4595fb7f87793f6a684277730c95f2387c228655cf1e
[INFO] running `Command { std: "docker" "start" "-a" "db20db48e2243f498f6f4595fb7f87793f6a684277730c95f2387c228655cf1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling bitcoin-private v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling rustix v0.38.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking linux-raw-sys v0.4.5
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling hex_lit v0.1.1
[INFO] [stderr]    Compiling bitcoin v0.30.1
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.180/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "db20db48e2243f498f6f4595fb7f87793f6a684277730c95f2387c228655cf1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db20db48e2243f498f6f4595fb7f87793f6a684277730c95f2387c228655cf1e", kill_on_drop: false }`
[INFO] [stdout] db20db48e2243f498f6f4595fb7f87793f6a684277730c95f2387c228655cf1e