[INFO] fetching crate ask-cli 0.3.1...
[INFO] checking ask-cli-0.3.1 against 1.95.0 for pr-155915
[INFO] extracting crate ask-cli 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate ask-cli 0.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ask-cli 0.3.1
[INFO] tweaked toml for crates.io crate ask-cli 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ask-cli 0.3.1 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] crate crates.io crate ask-cli 0.3.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbag v0.1.13
[INFO] [stderr]   Downloaded snapbox-macros v1.1.0
[INFO] [stderr]   Downloaded rustdoc-json v0.9.9
[INFO] [stderr]   Downloaded rustdoc-types v0.54.0
[INFO] [stderr]   Downloaded cargo-manifest v0.20.0
[INFO] [stderr]   Downloaded snapbox v1.2.1
[INFO] [stderr]   Downloaded dissimilar v1.0.11
[INFO] [stderr]   Downloaded public-api v0.49.0
[INFO] [stderr]   Downloaded trycmd v1.2.0
[INFO] [stderr]   Downloaded supercilex-tests v0.4.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 937bd7a56d46b3e41aec451fa6375440f59342b2476c0562d04468cd2d990d69
[INFO] running `Command { std: "docker" "start" "-a" "937bd7a56d46b3e41aec451fa6375440f59342b2476c0562d04468cd2d990d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "937bd7a56d46b3e41aec451fa6375440f59342b2476c0562d04468cd2d990d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "937bd7a56d46b3e41aec451fa6375440f59342b2476c0562d04468cd2d990d69", kill_on_drop: false }`
[INFO] [stdout] 937bd7a56d46b3e41aec451fa6375440f59342b2476c0562d04468cd2d990d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3e0fb5ea85be92ec089d51b398e55aeb038c15b77fd069925b9b2d44c28f93ab
[INFO] running `Command { std: "docker" "start" "-a" "3e0fb5ea85be92ec089d51b398e55aeb038c15b77fd069925b9b2d44c28f93ab", kill_on_drop: false }`
[INFO] [stderr]     Checking winnow v1.0.1
[INFO] [stderr]     Checking toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking serde_spanned v1.1.1
[INFO] [stderr]     Checking toml_writer v1.1.1+spec-1.1.0
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking cargo-platform v0.3.2
[INFO] [stderr]     Checking snapbox-macros v1.1.0
[INFO] [stderr]     Checking rustdoc-types v0.54.0
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking filetime v0.2.27
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking dunce v1.0.5
[INFO] [stderr]     Checking hashbag v0.1.13
[INFO] [stderr]     Checking dissimilar v1.0.11
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]    Compiling automod v1.0.16
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking ask-cli v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cargo_metadata v0.23.1
[INFO] [stderr]     Checking expect-test v1.5.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(read_buf)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]     Checking snapbox v1.2.1
[INFO] [stderr] error: could not compile `ask-cli` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3e0fb5ea85be92ec089d51b398e55aeb038c15b77fd069925b9b2d44c28f93ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0fb5ea85be92ec089d51b398e55aeb038c15b77fd069925b9b2d44c28f93ab", kill_on_drop: false }`
[INFO] [stdout] 3e0fb5ea85be92ec089d51b398e55aeb038c15b77fd069925b9b2d44c28f93ab
