[INFO] fetching crate vbdot 0.1.1...
[INFO] testing vbdot-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate vbdot 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vbdot 0.1.1
[INFO] finished tweaking crates.io crate vbdot 0.1.1
[INFO] tweaked toml for crates.io crate vbdot 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vbdot 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vbdot 0.1.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded toml_datetime v0.6.3
[INFO] [stderr]   Downloaded newline-converter v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.188
[INFO] [stderr]   Downloaded anstream v0.5.0
[INFO] [stderr]   Downloaded path-slash v0.2.1
[INFO] [stderr]   Downloaded anstyle-wincon v2.1.0
[INFO] [stderr]   Downloaded anyhow v1.0.75
[INFO] [stderr]   Downloaded toml_edit v0.19.14
[INFO] [stderr]   Downloaded inquire v0.6.2
[INFO] [stderr]   Downloaded hashbrown v0.14.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.1
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded clap_builder v4.4.2
[INFO] [stderr]   Downloaded syn v2.0.29
[INFO] [stderr]   Downloaded winnow v0.5.15
[INFO] [stderr]   Downloaded serde v1.0.188
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded indexmap v2.0.0
[INFO] [stderr]   Downloaded clap_derive v4.4.2
[INFO] [stderr]   Downloaded clap v4.4.2
[INFO] [stderr]   Downloaded relative-path v1.9.0
[INFO] [stderr]   Downloaded anstyle v1.0.2
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded home v0.5.5
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.14
[INFO] [stderr]   Downloaded thiserror v1.0.49
[INFO] [stderr]   Downloaded serde_spanned v0.6.3
[INFO] [stderr]   Downloaded thiserror-impl v1.0.49
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4a283441ff68ddee0f6d47cc99971464345851b0f937ecb338d1c608d5f44ec
[INFO] running `Command { std: "docker" "start" "-a" "a4a283441ff68ddee0f6d47cc99971464345851b0f937ecb338d1c608d5f44ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a283441ff68ddee0f6d47cc99971464345851b0f937ecb338d1c608d5f44ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a283441ff68ddee0f6d47cc99971464345851b0f937ecb338d1c608d5f44ec", kill_on_drop: false }`
[INFO] [stdout] a4a283441ff68ddee0f6d47cc99971464345851b0f937ecb338d1c608d5f44ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca9548f0096f15d3dda7fdd70bd13da00ac840070411051231510579e81465b
[INFO] running `Command { std: "docker" "start" "-a" "fca9548f0096f15d3dda7fdd70bd13da00ac840070411051231510579e81465b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling dyn-clone v1.0.14
[INFO] [stderr]    Compiling clap_builder v4.4.2
[INFO] [stderr]    Compiling newline-converter v0.2.2
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling path-slash v0.2.1
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling inquire v0.6.2
[INFO] [stderr]    Compiling clap v4.4.2
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling serde_spanned v0.6.3
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling vbdot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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 `vbdot` (bin "vbdot") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fca9548f0096f15d3dda7fdd70bd13da00ac840070411051231510579e81465b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca9548f0096f15d3dda7fdd70bd13da00ac840070411051231510579e81465b", kill_on_drop: false }`
[INFO] [stdout] fca9548f0096f15d3dda7fdd70bd13da00ac840070411051231510579e81465b