[INFO] fetching crate shmarks 0.1.13...
[INFO] testing shmarks-0.1.13 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate shmarks 0.1.13 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate shmarks 0.1.13
[INFO] finished tweaking crates.io crate shmarks 0.1.13
[INFO] tweaked toml for crates.io crate shmarks 0.1.13 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shmarks 0.1.13 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shmarks 0.1.13 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79c0918f4d03a2402baa86e754ff3b6f9f4016d28b3de6214ed5afdd6d7d5800
[INFO] running `Command { std: "docker" "start" "-a" "79c0918f4d03a2402baa86e754ff3b6f9f4016d28b3de6214ed5afdd6d7d5800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79c0918f4d03a2402baa86e754ff3b6f9f4016d28b3de6214ed5afdd6d7d5800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c0918f4d03a2402baa86e754ff3b6f9f4016d28b3de6214ed5afdd6d7d5800", kill_on_drop: false }`
[INFO] [stdout] 79c0918f4d03a2402baa86e754ff3b6f9f4016d28b3de6214ed5afdd6d7d5800
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 771dceeed1d2f2c335f38583522e6f7f0c3f901d3651e6d7e0c32f616d2b1a63
[INFO] running `Command { std: "docker" "start" "-a" "771dceeed1d2f2c335f38583522e6f7f0c3f901d3651e6d7e0c32f616d2b1a63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling winnow v0.6.5
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling clap v4.5.3
[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]    Compiling toml_edit v0.22.7
[INFO] [stderr]    Compiling toml v0.8.11
[INFO] [stderr]    Compiling shmarks v0.1.13 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(absolute_path)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `absolute_path` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(absolute_path)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shmarks` (bin "shmarks") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "771dceeed1d2f2c335f38583522e6f7f0c3f901d3651e6d7e0c32f616d2b1a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "771dceeed1d2f2c335f38583522e6f7f0c3f901d3651e6d7e0c32f616d2b1a63", kill_on_drop: false }`
[INFO] [stdout] 771dceeed1d2f2c335f38583522e6f7f0c3f901d3651e6d7e0c32f616d2b1a63
