[INFO] fetching crate proptest-derive 0.4.0...
[INFO] testing proptest-derive-0.4.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate proptest-derive 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate proptest-derive 0.4.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proptest-derive 0.4.0
[INFO] finished tweaking crates.io crate proptest-derive 0.4.0
[INFO] tweaked toml for crates.io crate proptest-derive 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compiletest_rs v0.9.0
[INFO] [stderr]   Downloaded tester v0.9.1
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b408677a0e8767b344cd222ce0d5bc45236bc138947d5173a24659075b02d1d
[INFO] running `Command { std: "docker" "start" "-a" "5b408677a0e8767b344cd222ce0d5bc45236bc138947d5173a24659075b02d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b408677a0e8767b344cd222ce0d5bc45236bc138947d5173a24659075b02d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b408677a0e8767b344cd222ce0d5bc45236bc138947d5173a24659075b02d1d", kill_on_drop: false }`
[INFO] [stdout] 5b408677a0e8767b344cd222ce0d5bc45236bc138947d5173a24659075b02d1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65134940141bdbb7835270fa519fe8a13be4b16cf3fee64d57bd8967912da96
[INFO] running `Command { std: "docker" "start" "-a" "b65134940141bdbb7835270fa519fe8a13be4b16cf3fee64d57bd8967912da96", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling proptest-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "b65134940141bdbb7835270fa519fe8a13be4b16cf3fee64d57bd8967912da96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65134940141bdbb7835270fa519fe8a13be4b16cf3fee64d57bd8967912da96", kill_on_drop: false }`
[INFO] [stdout] b65134940141bdbb7835270fa519fe8a13be4b16cf3fee64d57bd8967912da96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f9cfe2a42f9668c8c03f47aa0125bd7e1e6169c4adb32f6ff10b5c1a6e92f5f
[INFO] running `Command { std: "docker" "start" "-a" "9f9cfe2a42f9668c8c03f47aa0125bd7e1e6169c4adb32f6ff10b5c1a6e92f5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling tempfile v3.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters-svg v0.3.5
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling compiletest_rs v0.9.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling tester v0.9.1
[INFO] [stderr]    Compiling rayon v1.8.1
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand_xorshift v0.3.0
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling is-terminal v0.4.12
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling proptest v1.4.0
[INFO] [stderr]    Compiling proptest-derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rustfix v0.6.1
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/enum.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proptest-derive` (test "enum") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9f9cfe2a42f9668c8c03f47aa0125bd7e1e6169c4adb32f6ff10b5c1a6e92f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f9cfe2a42f9668c8c03f47aa0125bd7e1e6169c4adb32f6ff10b5c1a6e92f5f", kill_on_drop: false }`
[INFO] [stdout] 9f9cfe2a42f9668c8c03f47aa0125bd7e1e6169c4adb32f6ff10b5c1a6e92f5f
