[INFO] fetching crate clap_complete 4.4.4...
[INFO] checking clap_complete-4.4.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate clap_complete 4.4.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate clap_complete 4.4.4 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 clap_complete 4.4.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate clap_complete 4.4.4
[INFO] tweaked toml for crates.io crate clap_complete 4.4.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate clap_complete 4.4.4 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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0375345bd0c1cd7e0f73ffddcfa5f5d5d276a893e2641c32f74ff2eec73354bd
[INFO] running `Command { std: "docker" "start" "-a" "0375345bd0c1cd7e0f73ffddcfa5f5d5d276a893e2641c32f74ff2eec73354bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0375345bd0c1cd7e0f73ffddcfa5f5d5d276a893e2641c32f74ff2eec73354bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0375345bd0c1cd7e0f73ffddcfa5f5d5d276a893e2641c32f74ff2eec73354bd", kill_on_drop: false }`
[INFO] [stdout] 0375345bd0c1cd7e0f73ffddcfa5f5d5d276a893e2641c32f74ff2eec73354bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4457a7a49ee04dba355c4944110ec707d14de4abbf40507a1436f47f90888506
[INFO] running `Command { std: "docker" "start" "-a" "4457a7a49ee04dba355c4944110ec707d14de4abbf40507a1436f47f90888506", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling escargot v0.5.7
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking anstream v0.6.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking fastrand v1.9.0
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[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking snapbox-macros v0.3.6
[INFO] [stderr]     Checking similar v2.2.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap_builder v4.3.0
[INFO] [stderr]     Checking dunce v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking shlex v1.2.0
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling syn v2.0.28
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking vte v0.11.1
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking vt100 v0.15.2
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking toml_edit v0.19.9
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]    Compiling clap_derive v4.3.0
[INFO] [stderr]     Checking snapbox v0.4.13
[INFO] [stderr]     Checking ptyprocess v0.4.1
[INFO] [stderr]     Checking completest v0.1.0
[INFO] [stderr]     Checking trycmd v0.14.18
[INFO] [stderr]     Checking clap v4.3.0
[INFO] [stderr]     Checking clap_complete v4.4.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Arg` is imported redundantly
[INFO] [stdout]    --> src/generator/utils.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use super::*;
[INFO] [stdout]     |         -------- the item `Arg` is already imported here
[INFO] [stdout] 136 |     use clap::Arg;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "4457a7a49ee04dba355c4944110ec707d14de4abbf40507a1436f47f90888506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4457a7a49ee04dba355c4944110ec707d14de4abbf40507a1436f47f90888506", kill_on_drop: false }`
[INFO] [stdout] 4457a7a49ee04dba355c4944110ec707d14de4abbf40507a1436f47f90888506
[INFO] checking clap_complete-4.4.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate clap_complete 4.4.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate clap_complete 4.4.4 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 clap_complete 4.4.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate clap_complete 4.4.4
[INFO] tweaked toml for crates.io crate clap_complete 4.4.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate clap_complete 4.4.4 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e2756452c40ac9100212a9fa32d9165ec1d8bed069969bc3b36d184f6656fd40
[INFO] running `Command { std: "docker" "start" "-a" "e2756452c40ac9100212a9fa32d9165ec1d8bed069969bc3b36d184f6656fd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2756452c40ac9100212a9fa32d9165ec1d8bed069969bc3b36d184f6656fd40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2756452c40ac9100212a9fa32d9165ec1d8bed069969bc3b36d184f6656fd40", kill_on_drop: false }`
[INFO] [stdout] e2756452c40ac9100212a9fa32d9165ec1d8bed069969bc3b36d184f6656fd40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8d2bb2d250affc8e7154cb8fa01e0770d47dee041c592b642067dc34227bfbdb
[INFO] running `Command { std: "docker" "start" "-a" "8d2bb2d250affc8e7154cb8fa01e0770d47dee041c592b642067dc34227bfbdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.180
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.180
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.37.7
[INFO] [stderr]    Compiling serde_json v1.0.104
[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 scopeguard v1.1.0
[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" "8d2bb2d250affc8e7154cb8fa01e0770d47dee041c592b642067dc34227bfbdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2bb2d250affc8e7154cb8fa01e0770d47dee041c592b642067dc34227bfbdb", kill_on_drop: false }`
[INFO] [stdout] 8d2bb2d250affc8e7154cb8fa01e0770d47dee041c592b642067dc34227bfbdb