[INFO] fetching crate ask-cli 0.2.1...
[INFO] testing ask-cli-0.2.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate ask-cli 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ask-cli 0.2.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate ask-cli 0.2.1
[INFO] finished tweaking crates.io crate ask-cli 0.2.1
[INFO] tweaked toml for crates.io crate ask-cli 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ask-cli 0.2.1 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.20.7
[INFO] [stderr]   Downloaded humantime-serde v1.1.1
[INFO] [stderr]   Downloaded snapbox-macros v0.3.6
[INFO] [stderr]   Downloaded similar v2.3.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.3
[INFO] [stderr]   Downloaded cargo-manifest v0.9.0
[INFO] [stderr]   Downloaded tempfile v3.8.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.15
[INFO] [stderr]   Downloaded indexmap v2.1.0
[INFO] [stderr]   Downloaded hashbrown v0.14.2
[INFO] [stderr]   Downloaded libc v0.2.150
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.11
[INFO] [stderr]   Downloaded clap_builder v4.4.8
[INFO] [stderr]   Downloaded syn v2.0.39
[INFO] [stderr]   Downloaded winnow v0.5.19
[INFO] [stderr]   Downloaded serde_json v1.0.108
[INFO] [stderr]   Downloaded rustdoc-json v0.8.7
[INFO] [stderr]   Downloaded supercilex-tests v0.4.0
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded rustix v0.38.24
[INFO] [stderr]   Downloaded serde_derive v1.0.192
[INFO] [stderr]   Downloaded serde v1.0.192
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded snapbox v0.4.14
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] [stderr]   Downloaded clap_lex v0.6.0
[INFO] [stderr]   Downloaded semver v1.0.20
[INFO] [stderr]   Downloaded expect-test v1.4.1
[INFO] [stderr]   Downloaded errno v0.3.7
[INFO] [stderr]   Downloaded trycmd v0.14.19
[INFO] [stderr]   Downloaded thiserror-impl v1.0.50
[INFO] [stderr]   Downloaded dissimilar v1.0.7
[INFO] [stderr]   Downloaded thiserror v1.0.50
[INFO] [stderr]   Downloaded cargo-platform v0.1.5
[INFO] [stderr]   Downloaded serde_spanned v0.6.4
[INFO] [stderr]   Downloaded cargo_metadata v0.17.0
[INFO] [stderr]   Downloaded camino v1.1.6
[INFO] [stderr]   Downloaded shlex v1.2.0
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded filetime v0.2.22
[INFO] [stderr]   Downloaded os_pipe v1.1.4
[INFO] [stderr]   Downloaded rustdoc-types v0.23.0
[INFO] [stderr]   Downloaded itoa v1.0.9
[INFO] [stderr]   Downloaded ryu v1.0.15
[INFO] [stderr]   Downloaded toml v0.7.8
[INFO] [stderr]   Downloaded public-api v0.32.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1468cb1db6f9e5d7b47885234643111d7d1935fa095edc4a5b9ad2059fc9edb
[INFO] running `Command { std: "docker" "start" "-a" "a1468cb1db6f9e5d7b47885234643111d7d1935fa095edc4a5b9ad2059fc9edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1468cb1db6f9e5d7b47885234643111d7d1935fa095edc4a5b9ad2059fc9edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1468cb1db6f9e5d7b47885234643111d7d1935fa095edc4a5b9ad2059fc9edb", kill_on_drop: false }`
[INFO] [stdout] a1468cb1db6f9e5d7b47885234643111d7d1935fa095edc4a5b9ad2059fc9edb
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b2e291d7ca30f51f473bf878ce446abfab75063f37cf44eb41e90601957ba2
[INFO] running `Command { std: "docker" "start" "-a" "63b2e291d7ca30f51f473bf878ce446abfab75063f37cf44eb41e90601957ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ask-cli v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(read_buf)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_io_borrowed_buf)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ask-cli` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "63b2e291d7ca30f51f473bf878ce446abfab75063f37cf44eb41e90601957ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b2e291d7ca30f51f473bf878ce446abfab75063f37cf44eb41e90601957ba2", kill_on_drop: false }`
[INFO] [stdout] 63b2e291d7ca30f51f473bf878ce446abfab75063f37cf44eb41e90601957ba2
[INFO] testing ask-cli-0.2.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate ask-cli 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ask-cli 0.2.1 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate ask-cli 0.2.1
[INFO] finished tweaking crates.io crate ask-cli 0.2.1
[INFO] tweaked toml for crates.io crate ask-cli 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ask-cli 0.2.1 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a6eac630f11a6e3bc3e670d7106c7cb0e07fe3835e87650e1ef9a35317e8fb
[INFO] running `Command { std: "docker" "start" "-a" "e9a6eac630f11a6e3bc3e670d7106c7cb0e07fe3835e87650e1ef9a35317e8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a6eac630f11a6e3bc3e670d7106c7cb0e07fe3835e87650e1ef9a35317e8fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a6eac630f11a6e3bc3e670d7106c7cb0e07fe3835e87650e1ef9a35317e8fb", kill_on_drop: false }`
[INFO] [stdout] e9a6eac630f11a6e3bc3e670d7106c7cb0e07fe3835e87650e1ef9a35317e8fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec3efab7c86617fd15e719d38ebce737a80dd42b4e948aee2d20a57da8192d12
[INFO] running `Command { std: "docker" "start" "-a" "ec3efab7c86617fd15e719d38ebce737a80dd42b4e948aee2d20a57da8192d12", kill_on_drop: false }`
[INFO] [stderr]    Compiling ask-cli v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(read_buf)]
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_io_borrowed_buf)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ask-cli` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec3efab7c86617fd15e719d38ebce737a80dd42b4e948aee2d20a57da8192d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3efab7c86617fd15e719d38ebce737a80dd42b4e948aee2d20a57da8192d12", kill_on_drop: false }`
[INFO] [stdout] ec3efab7c86617fd15e719d38ebce737a80dd42b4e948aee2d20a57da8192d12
