[INFO] fetching crate ssplit 1.0.0...
[INFO] testing ssplit-1.0.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate ssplit 1.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ssplit 1.0.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssplit 1.0.0
[INFO] finished tweaking crates.io crate ssplit 1.0.0
[INFO] tweaked toml for crates.io crate ssplit 1.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ssplit 1.0.0 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.4.4
[INFO] [stderr]   Downloaded clap_builder v4.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb15322b5048afcbb1ba2f821a97154dad0b52d9bc937fc8208c269165d9f246
[INFO] running `Command { std: "docker" "start" "-a" "fb15322b5048afcbb1ba2f821a97154dad0b52d9bc937fc8208c269165d9f246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb15322b5048afcbb1ba2f821a97154dad0b52d9bc937fc8208c269165d9f246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb15322b5048afcbb1ba2f821a97154dad0b52d9bc937fc8208c269165d9f246", kill_on_drop: false }`
[INFO] [stdout] fb15322b5048afcbb1ba2f821a97154dad0b52d9bc937fc8208c269165d9f246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa4812d596e1e2a2ab4779f1c78a0c4a72803ce153dd8df5a59fe9cc6efcdc7
[INFO] running `Command { std: "docker" "start" "-a" "cfa4812d596e1e2a2ab4779f1c78a0c4a72803ce153dd8df5a59fe9cc6efcdc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.3
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling clap_builder v4.4.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling clap v4.4.4
[INFO] [stderr]    Compiling ssplit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ssplit` (bin "ssplit") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "cfa4812d596e1e2a2ab4779f1c78a0c4a72803ce153dd8df5a59fe9cc6efcdc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa4812d596e1e2a2ab4779f1c78a0c4a72803ce153dd8df5a59fe9cc6efcdc7", kill_on_drop: false }`
[INFO] [stdout] cfa4812d596e1e2a2ab4779f1c78a0c4a72803ce153dd8df5a59fe9cc6efcdc7
[INFO] testing ssplit-1.0.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate ssplit 1.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate ssplit 1.0.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssplit 1.0.0
[INFO] finished tweaking crates.io crate ssplit 1.0.0
[INFO] tweaked toml for crates.io crate ssplit 1.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate ssplit 1.0.0 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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b15f4d54c7c1027fd96f32107dc920192964a3ad6208dda7807ebf555748ab5
[INFO] running `Command { std: "docker" "start" "-a" "0b15f4d54c7c1027fd96f32107dc920192964a3ad6208dda7807ebf555748ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b15f4d54c7c1027fd96f32107dc920192964a3ad6208dda7807ebf555748ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b15f4d54c7c1027fd96f32107dc920192964a3ad6208dda7807ebf555748ab5", kill_on_drop: false }`
[INFO] [stdout] 0b15f4d54c7c1027fd96f32107dc920192964a3ad6208dda7807ebf555748ab5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612fef1726cc7e4fea027494ced59a6515dee6b5400fd7d9db296f0f626f7ef5
[INFO] running `Command { std: "docker" "start" "-a" "612fef1726cc7e4fea027494ced59a6515dee6b5400fd7d9db296f0f626f7ef5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.3
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling clap_builder v4.4.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling clap v4.4.4
[INFO] [stderr]    Compiling ssplit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ssplit` (bin "ssplit") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "612fef1726cc7e4fea027494ced59a6515dee6b5400fd7d9db296f0f626f7ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612fef1726cc7e4fea027494ced59a6515dee6b5400fd7d9db296f0f626f7ef5", kill_on_drop: false }`
[INFO] [stdout] 612fef1726cc7e4fea027494ced59a6515dee6b5400fd7d9db296f0f626f7ef5
