[INFO] fetching crate prty 0.1.1...
[INFO] testing prty-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate prty 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate prty 0.1.1
[INFO] finished tweaking crates.io crate prty 0.1.1
[INFO] tweaked toml for crates.io crate prty 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prty 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 94 packages to latest compatible versions
[INFO] [stderr]       Adding anycat v0.1.2 (available: v0.2.0)
[INFO] [stderr]       Adding bit-set v0.4.0 (available: v0.8.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.48)
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.8)
[INFO] [stderr]       Adding measure_time v0.6.0 (available: v0.9.0)
[INFO] [stderr]       Adding peg v0.5.7 (available: v0.8.5)
[INFO] [stderr]       Adding quickcheck v0.6.2 (available: v1.0.3)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d857745bb3895dcda799098ddde47984153485137c2c51fb1c79d7ca4494f43
[INFO] running `Command { std: "docker" "start" "-a" "6d857745bb3895dcda799098ddde47984153485137c2c51fb1c79d7ca4494f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d857745bb3895dcda799098ddde47984153485137c2c51fb1c79d7ca4494f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d857745bb3895dcda799098ddde47984153485137c2c51fb1c79d7ca4494f43", kill_on_drop: false }`
[INFO] [stdout] 6d857745bb3895dcda799098ddde47984153485137c2c51fb1c79d7ca4494f43
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db46337332714ebda5af9a858c5ed43431d8a54292964e005df2392cd416dfd6
[INFO] running `Command { std: "docker" "start" "-a" "db46337332714ebda5af9a858c5ed43431d8a54292964e005df2392cd416dfd6", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling unicode-bidi v0.3.18
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bitflags v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling scopeguard v0.2.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling map_in_place v0.1.0
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling xz2 v0.1.7
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling prty_fmtmodifier v0.1.1
[INFO] [stderr]    Compiling prty_bitgraph v0.1.1
[INFO] [stderr]    Compiling measure_time v0.6.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/prty_bitgraph-0.1.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_remove_item`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/prty_bitgraph-0.1.1/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling compare v0.1.0
[INFO] [stdout] Some errors have detailed explanations: E0554, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prty_bitgraph` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "db46337332714ebda5af9a858c5ed43431d8a54292964e005df2392cd416dfd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db46337332714ebda5af9a858c5ed43431d8a54292964e005df2392cd416dfd6", kill_on_drop: false }`
[INFO] [stdout] db46337332714ebda5af9a858c5ed43431d8a54292964e005df2392cd416dfd6
