[INFO] fetching crate strtools 0.3.1...
[INFO] testing strtools-0.3.1 against beta-2023-04-20 for beta-1.70-1
[INFO] extracting crate strtools 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate strtools 0.3.1 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strtools 0.3.1
[INFO] finished tweaking crates.io crate strtools 0.3.1
[INFO] tweaked toml for crates.io crate strtools 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52b84eb4f27ecc472ba457ff1004dc35919272bb31a2c1666599f6c148a2b2b9
[INFO] running `Command { std: "docker" "start" "-a" "52b84eb4f27ecc472ba457ff1004dc35919272bb31a2c1666599f6c148a2b2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52b84eb4f27ecc472ba457ff1004dc35919272bb31a2c1666599f6c148a2b2b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b84eb4f27ecc472ba457ff1004dc35919272bb31a2c1666599f6c148a2b2b9", kill_on_drop: false }`
[INFO] [stdout] 52b84eb4f27ecc472ba457ff1004dc35919272bb31a2c1666599f6c148a2b2b9
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ff113bacd732ed5d24a771e595beaf9d72510eb2f3ae5ad8d1b02a08eb2ded5
[INFO] running `Command { std: "docker" "start" "-a" "1ff113bacd732ed5d24a771e595beaf9d72510eb2f3ae5ad8d1b02a08eb2ded5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling strtools v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | / #![feature(
[INFO] [stdout] 50 | |     associated_type_defaults,
[INFO] [stdout] 51 | |     cow_is_borrowed,
[INFO] [stdout] 52 | |     // https://github.com/rust-lang/rust/issues/57349
[INFO] [stdout] ...  |
[INFO] [stdout] 58 | |     let_chains
[INFO] [stdout] 59 | | )]
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     cow_is_borrowed,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     is_sorted,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strtools` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1ff113bacd732ed5d24a771e595beaf9d72510eb2f3ae5ad8d1b02a08eb2ded5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff113bacd732ed5d24a771e595beaf9d72510eb2f3ae5ad8d1b02a08eb2ded5", kill_on_drop: false }`
[INFO] [stdout] 1ff113bacd732ed5d24a771e595beaf9d72510eb2f3ae5ad8d1b02a08eb2ded5
