[INFO] fetching crate re0 0.0.0...
[INFO] testing re0-0.0.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate re0 0.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate re0 0.0.0 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 re0 0.0.0
[INFO] finished tweaking crates.io crate re0 0.0.0
[INFO] tweaked toml for crates.io crate re0 0.0.0 written to /workspace/builds/worker-5-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] 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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edadd16c05768d322e68d20558a488e884c86a0b811d8d28aaaaa33bde14e5f3
[INFO] running `Command { std: "docker" "start" "-a" "edadd16c05768d322e68d20558a488e884c86a0b811d8d28aaaaa33bde14e5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edadd16c05768d322e68d20558a488e884c86a0b811d8d28aaaaa33bde14e5f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edadd16c05768d322e68d20558a488e884c86a0b811d8d28aaaaa33bde14e5f3", kill_on_drop: false }`
[INFO] [stdout] edadd16c05768d322e68d20558a488e884c86a0b811d8d28aaaaa33bde14e5f3
[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=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] 84f964a2b90037f20aa758d163be8b8dac909076de1783d5d9501f1d6535aa36
[INFO] running `Command { std: "docker" "start" "-a" "84f964a2b90037f20aa758d163be8b8dac909076de1783d5d9501f1d6535aa36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling re0 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RngCore`, `distributions::WeightedIndex`
[INFO] [stdout]  --> src/world/mode/name/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{distributions, distributions::WeightedIndex, seq::SliceRandom, Rng, RngCore};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WorldConfig`
[INFO] [stdout]  --> src/world/mode/name/mod.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::world::{get_flatten_vec, Dict, WorldConfig};
[INFO] [stdout]   |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `re0` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "84f964a2b90037f20aa758d163be8b8dac909076de1783d5d9501f1d6535aa36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f964a2b90037f20aa758d163be8b8dac909076de1783d5d9501f1d6535aa36", kill_on_drop: false }`
[INFO] [stdout] 84f964a2b90037f20aa758d163be8b8dac909076de1783d5d9501f1d6535aa36
[INFO] testing re0-0.0.0 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate re0 0.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate re0 0.0.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate re0 0.0.0
[INFO] finished tweaking crates.io crate re0 0.0.0
[INFO] tweaked toml for crates.io crate re0 0.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "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" "+beta-2024-02-10" "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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99ea7170644c61b92806d95cdd8799cdc4fb14c3731ba084822e3fa8e4bb211e
[INFO] running `Command { std: "docker" "start" "-a" "99ea7170644c61b92806d95cdd8799cdc4fb14c3731ba084822e3fa8e4bb211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99ea7170644c61b92806d95cdd8799cdc4fb14c3731ba084822e3fa8e4bb211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ea7170644c61b92806d95cdd8799cdc4fb14c3731ba084822e3fa8e4bb211e", kill_on_drop: false }`
[INFO] [stdout] 99ea7170644c61b92806d95cdd8799cdc4fb14c3731ba084822e3fa8e4bb211e
[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=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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01fd2e7f6da3ad6c9d92f734b6bb1fc6224d3ac747e898fa9d5fc3837d6ff7b5
[INFO] running `Command { std: "docker" "start" "-a" "01fd2e7f6da3ad6c9d92f734b6bb1fc6224d3ac747e898fa9d5fc3837d6ff7b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling re0 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RngCore`, `distributions::WeightedIndex`
[INFO] [stdout]  --> src/world/mode/name/mod.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::{distributions, distributions::WeightedIndex, seq::SliceRandom, Rng, RngCore};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WorldConfig`
[INFO] [stdout]  --> src/world/mode/name/mod.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::world::{get_flatten_vec, Dict, WorldConfig};
[INFO] [stdout]   |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `re0` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "01fd2e7f6da3ad6c9d92f734b6bb1fc6224d3ac747e898fa9d5fc3837d6ff7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fd2e7f6da3ad6c9d92f734b6bb1fc6224d3ac747e898fa9d5fc3837d6ff7b5", kill_on_drop: false }`
[INFO] [stdout] 01fd2e7f6da3ad6c9d92f734b6bb1fc6224d3ac747e898fa9d5fc3837d6ff7b5
