[INFO] fetching crate ytree 0.1.33...
[INFO] testing ytree-0.1.33 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ytree 0.1.33 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ytree 0.1.33
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ytree 0.1.33
[INFO] tweaked toml for crates.io crate ytree 0.1.33 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ytree 0.1.33 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ytree 0.1.33 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec
[INFO] running `Command { std: "docker" "start" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling tsfmt v0.1.10
[INFO] [stderr]    Compiling aok v0.1.17
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling serde_yaml v0.9.34+deprecated
[INFO] [stderr]    Compiling ytree v0.1.33 (/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(str_split_remainder)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ytree` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused dependency `aok`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.aok]
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `aok`
[INFO] [stderr] warning: unused dependency `serde_yaml`
[INFO] [stderr]   --> Cargo.toml:33:15
[INFO] [stderr]    |
[INFO] [stderr] 33 | [dependencies.serde_yaml]
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `serde_yaml`
[INFO] [stderr] warning: unused dependency `tsfmt`
[INFO] [stderr]   --> Cargo.toml:40:15
[INFO] [stderr]    |
[INFO] [stderr] 40 | [dependencies.tsfmt]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tsfmt`
[INFO] [stderr] warning: `ytree` (manifest) generated 3 warnings
[INFO] running `Command { std: "docker" "inspect" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec", kill_on_drop: false }`
[INFO] [stdout] 411286645f50c5206bcbc580855784b4e1687c84b50291fbbd8ce7d425a7faec
