[INFO] fetching crate what-the-dog-doin 0.1.1...
[INFO] testing what-the-dog-doin-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate what-the-dog-doin 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate what-the-dog-doin 0.1.1 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-2-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate what-the-dog-doin 0.1.1
[INFO] finished tweaking crates.io crate what-the-dog-doin 0.1.1
[INFO] tweaked toml for crates.io crate what-the-dog-doin 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate what-the-dog-doin 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 891d435bd978a68cd3072ac5886fe4526ab373ad3e75089f11e7dde305597955
[INFO] running `Command { std: "docker" "start" "-a" "891d435bd978a68cd3072ac5886fe4526ab373ad3e75089f11e7dde305597955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "891d435bd978a68cd3072ac5886fe4526ab373ad3e75089f11e7dde305597955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891d435bd978a68cd3072ac5886fe4526ab373ad3e75089f11e7dde305597955", kill_on_drop: false }`
[INFO] [stdout] 891d435bd978a68cd3072ac5886fe4526ab373ad3e75089f11e7dde305597955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a8f6011dec48b52c0cb68c3657c0331bc6f65a91f40b8cd3c9b36c1bd1b2cc10
[INFO] running `Command { std: "docker" "start" "-a" "a8f6011dec48b52c0cb68c3657c0331bc6f65a91f40b8cd3c9b36c1bd1b2cc10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling symphonia-core v0.5.3
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling hound v3.5.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling clap_builder v4.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling symphonia-metadata v0.5.3
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling alsa v0.7.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling symphonia v0.5.3
[INFO] [stderr]    Compiling rodio v0.17.1
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling clap v4.4.0
[INFO] [stderr]    Compiling what-the-dog-doin 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `what-the-dog-doin` (bin "what-the-dog-doin") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a8f6011dec48b52c0cb68c3657c0331bc6f65a91f40b8cd3c9b36c1bd1b2cc10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8f6011dec48b52c0cb68c3657c0331bc6f65a91f40b8cd3c9b36c1bd1b2cc10", kill_on_drop: false }`
[INFO] [stdout] a8f6011dec48b52c0cb68c3657c0331bc6f65a91f40b8cd3c9b36c1bd1b2cc10
[INFO] testing what-the-dog-doin-0.1.1 against beta-2024-02-10 for beta-1.77-1
[INFO] extracting crate what-the-dog-doin 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate what-the-dog-doin 0.1.1 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-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate what-the-dog-doin 0.1.1
[INFO] finished tweaking crates.io crate what-the-dog-doin 0.1.1
[INFO] tweaked toml for crates.io crate what-the-dog-doin 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate what-the-dog-doin 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d21c35734e7c74a9d85c3745696b5e388ebcaa90e35ad6b0f49b9ef0f28cc01a
[INFO] running `Command { std: "docker" "start" "-a" "d21c35734e7c74a9d85c3745696b5e388ebcaa90e35ad6b0f49b9ef0f28cc01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21c35734e7c74a9d85c3745696b5e388ebcaa90e35ad6b0f49b9ef0f28cc01a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21c35734e7c74a9d85c3745696b5e388ebcaa90e35ad6b0f49b9ef0f28cc01a", kill_on_drop: false }`
[INFO] [stdout] d21c35734e7c74a9d85c3745696b5e388ebcaa90e35ad6b0f49b9ef0f28cc01a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0f805b2867c77de99da7c9c70bc36d09e7de3897ddcceb3c729d42c8893ec56e
[INFO] running `Command { std: "docker" "start" "-a" "0f805b2867c77de99da7c9c70bc36d09e7de3897ddcceb3c729d42c8893ec56e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling encoding_rs v0.8.33
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling cpal v0.15.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling symphonia-core v0.5.3
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling hound v3.5.0
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling clap_builder v4.4.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling symphonia-metadata v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling symphonia-bundle-mp3 v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling alsa v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling symphonia v0.5.3
[INFO] [stderr]    Compiling rodio v0.17.1
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling clap v4.4.0
[INFO] [stderr]    Compiling what-the-dog-doin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(fs_try_exists)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `what-the-dog-doin` (bin "what-the-dog-doin") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f805b2867c77de99da7c9c70bc36d09e7de3897ddcceb3c729d42c8893ec56e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f805b2867c77de99da7c9c70bc36d09e7de3897ddcceb3c729d42c8893ec56e", kill_on_drop: false }`
[INFO] [stdout] 0f805b2867c77de99da7c9c70bc36d09e7de3897ddcceb3c729d42c8893ec56e
