[INFO] fetching crate argparsnip 0.1.6...
[INFO] testing argparsnip-0.1.6 against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate argparsnip 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate argparsnip 0.1.6 on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argparsnip 0.1.6
[INFO] finished tweaking crates.io crate argparsnip 0.1.6
[INFO] tweaked toml for crates.io crate argparsnip 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded is-terminal v0.4.12
[INFO] [stderr]   Downloaded pprof v0.4.5
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded num_threads v0.1.7
[INFO] [stderr]   Downloaded simple_logger v1.16.0
[INFO] [stderr]   Downloaded debugid v0.7.3
[INFO] [stderr]   Downloaded colored v1.9.4
[INFO] [stderr]   Downloaded rgb v0.8.37
[INFO] [stderr]   Downloaded symbolic-common v8.8.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded inferno v0.10.12
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded cpp_demangle v0.3.5
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded symbolic-demangle v8.8.0
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dad4e916021c2211bc7bc3cb4dd6da120aeb989b482431df251c1a1d5e8ec371
[INFO] running `Command { std: "docker" "start" "-a" "dad4e916021c2211bc7bc3cb4dd6da120aeb989b482431df251c1a1d5e8ec371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dad4e916021c2211bc7bc3cb4dd6da120aeb989b482431df251c1a1d5e8ec371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad4e916021c2211bc7bc3cb4dd6da120aeb989b482431df251c1a1d5e8ec371", kill_on_drop: false }`
[INFO] [stdout] dad4e916021c2211bc7bc3cb4dd6da120aeb989b482431df251c1a1d5e8ec371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500143cae7e27d83b035d30a4db227e9e3dee2a11078b3961f7ed43c993c9c3e
[INFO] running `Command { std: "docker" "start" "-a" "500143cae7e27d83b035d30a4db227e9e3dee2a11078b3961f7ed43c993c9c3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling argparsnip v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::string::String;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/61223975d46f794466efa832bc7562b9707ecc46/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/61223975d46f794466efa832bc7562b9707ecc46/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/value.rs:218:52
[INFO] [stdout]     |
[INFO] [stdout] 218 |         Type::Any | Type::String => Value::from(val.clone()),
[INFO] [stdout]     |                                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "500143cae7e27d83b035d30a4db227e9e3dee2a11078b3961f7ed43c993c9c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500143cae7e27d83b035d30a4db227e9e3dee2a11078b3961f7ed43c993c9c3e", kill_on_drop: false }`
[INFO] [stdout] 500143cae7e27d83b035d30a4db227e9e3dee2a11078b3961f7ed43c993c9c3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b376110f7aecf384409d721a54f4013b7a33e59455f73c5e894b108397669a62
[INFO] running `Command { std: "docker" "start" "-a" "b376110f7aecf384409d721a54f4013b7a33e59455f73c5e894b108397669a62", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling syn v2.0.51
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling debugid v0.7.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling csv-core v0.1.11
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling symbolic-demangle v8.8.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling bytemuck v1.14.3
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling rgb v0.8.37
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rayon v1.9.0
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling symbolic-common v8.8.0
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/61223975d46f794466efa832bc7562b9707ecc46/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.51/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b58fc374fe4d0310 -C extra-filename=-b58fc374fe4d0310 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9675dab333a2ba88.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-9a3c6f2abd5cb631.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f8d62a079c79a15a.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b376110f7aecf384409d721a54f4013b7a33e59455f73c5e894b108397669a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b376110f7aecf384409d721a54f4013b7a33e59455f73c5e894b108397669a62", kill_on_drop: false }`
[INFO] [stdout] b376110f7aecf384409d721a54f4013b7a33e59455f73c5e894b108397669a62