[INFO] fetching crate mysh 0.1.8...
[INFO] checking mysh-0.1.8 against 1.95.0 for pr-155915
[INFO] extracting crate mysh 0.1.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mysh 0.1.8
[INFO] finished tweaking crates.io crate mysh 0.1.8
[INFO] tweaked toml for crates.io crate mysh 0.1.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mysh 0.1.8 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 111 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] [stderr]       Adding reedline v0.36.0 (available: v0.47.0)
[INFO] [stderr]       Adding serde-reflection v0.4.0 (available: v0.5.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-reflection v0.4.0
[INFO] [stderr]   Downloaded serde-reflection v0.3.6
[INFO] [stderr]   Downloaded mysh_derive v0.1.7
[INFO] [stderr]   Downloaded reedline v0.36.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8cecec73ca2e308e31f6d8d4eadb371b4b262884231d030487215062c70e3ae
[INFO] running `Command { std: "docker" "start" "-a" "d8cecec73ca2e308e31f6d8d4eadb371b4b262884231d030487215062c70e3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8cecec73ca2e308e31f6d8d4eadb371b4b262884231d030487215062c70e3ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8cecec73ca2e308e31f6d8d4eadb371b4b262884231d030487215062c70e3ae", kill_on_drop: false }`
[INFO] [stdout] d8cecec73ca2e308e31f6d8d4eadb371b4b262884231d030487215062c70e3ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21f496909bc24c235e25b9e342298b9e1e751d2e1eddc8b56293f73ad4f2954
[INFO] running `Command { std: "docker" "start" "-a" "c21f496909bc24c235e25b9e342298b9e1e751d2e1eddc8b56293f73ad4f2954", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking mio v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking vte v0.14.1
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking strip-ansi-escapes v0.2.1
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling serde-reflection v0.3.6
[INFO] [stderr]     Checking crossterm v0.28.1
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking serde-reflection v0.4.0
[INFO] [stderr]     Checking ctrlc v3.5.2
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling mysh_derive v0.1.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mysh_derive-0.1.7/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extend_one)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mysh_derive` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c21f496909bc24c235e25b9e342298b9e1e751d2e1eddc8b56293f73ad4f2954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21f496909bc24c235e25b9e342298b9e1e751d2e1eddc8b56293f73ad4f2954", kill_on_drop: false }`
[INFO] [stdout] c21f496909bc24c235e25b9e342298b9e1e751d2e1eddc8b56293f73ad4f2954