[INFO] fetching crate const-enum 0.1.0...
[INFO] testing const-enum-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate const-enum 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate const-enum 0.1.0
[INFO] finished tweaking crates.io crate const-enum 0.1.0
[INFO] tweaked toml for crates.io crate const-enum 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate const-enum 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d13a88b75452e1afa24ec47ba73739c75f904b81b3690448554605718ff43af8
[INFO] running `Command { std: "docker" "start" "-a" "d13a88b75452e1afa24ec47ba73739c75f904b81b3690448554605718ff43af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d13a88b75452e1afa24ec47ba73739c75f904b81b3690448554605718ff43af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13a88b75452e1afa24ec47ba73739c75f904b81b3690448554605718ff43af8", kill_on_drop: false }`
[INFO] [stdout] d13a88b75452e1afa24ec47ba73739c75f904b81b3690448554605718ff43af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9e56d4526b4867925803f8867f8b43edead54269046766f0b8efcf299c186c
[INFO] running `Command { std: "docker" "start" "-a" "1f9e56d4526b4867925803f8867f8b43edead54269046766f0b8efcf299c186c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "1f9e56d4526b4867925803f8867f8b43edead54269046766f0b8efcf299c186c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9e56d4526b4867925803f8867f8b43edead54269046766f0b8efcf299c186c", kill_on_drop: false }`
[INFO] [stdout] 1f9e56d4526b4867925803f8867f8b43edead54269046766f0b8efcf299c186c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7190ccbd00cb7c7e0d36bc89a3f0a51b99dfb2ad6fe3f576f3b2362da7966429
[INFO] running `Command { std: "docker" "start" "-a" "7190ccbd00cb7c7e0d36bc89a3f0a51b99dfb2ad6fe3f576f3b2362da7966429", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling const-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling trybuild v1.0.110
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_from`
[INFO] [stdout]  --> tests/example.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Copy, Clone, Debug, Eq, PartialEq, ConstEnum)]
[INFO] [stdout]   |                                             ^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]   = help: add `#![feature(const_from)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout]   = note: this error originates in the derive macro `ConstEnum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-enum` (test "example") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0658]: use of unstable const library feature `const_from`
[INFO] [stdout]  --> tests/test.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Copy, Clone, Debug, Eq, PartialEq, ConstEnum)]
[INFO] [stdout]   |                                             ^^^^^^^^^ trait is not stable as const yet
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #143773 <https://github.com/rust-lang/rust/issues/143773> for more information
[INFO] [stdout]   = help: add `#![feature(const_from)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date
[INFO] [stdout]   = note: this error originates in the derive macro `ConstEnum` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const-enum` (test "test") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7190ccbd00cb7c7e0d36bc89a3f0a51b99dfb2ad6fe3f576f3b2362da7966429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7190ccbd00cb7c7e0d36bc89a3f0a51b99dfb2ad6fe3f576f3b2362da7966429", kill_on_drop: false }`
[INFO] [stdout] 7190ccbd00cb7c7e0d36bc89a3f0a51b99dfb2ad6fe3f576f3b2362da7966429