[INFO] fetching crate apis 0.5.6...
[INFO] testing apis-0.5.6 against 1.75.0 for beta-1.76-1
[INFO] extracting crate apis 0.5.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate apis 0.5.6 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apis 0.5.6
[INFO] finished tweaking crates.io crate apis 0.5.6
[INFO] tweaked toml for crates.io crate apis 0.5.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate apis 0.5.6 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.3.1
[INFO] [stderr]   Downloaded shared_library v0.1.9
[INFO] [stderr]   Downloaded thiserror-impl v1.0.47
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.1
[INFO] [stderr]   Downloaded osmesa-sys v0.1.2
[INFO] [stderr]   Downloaded smallvec v1.11.0
[INFO] [stderr]   Downloaded thiserror v1.0.47
[INFO] [stderr]   Downloaded core-graphics-types v0.1.2
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.5
[INFO] [stderr]   Downloaded cgl v0.3.2
[INFO] [stderr]   Downloaded calloop v0.9.3
[INFO] [stderr]   Downloaded wayland-egl v0.29.5
[INFO] [stderr]   Downloaded gl_generator v0.14.0
[INFO] [stderr]   Downloaded lock_api v0.4.10
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.8
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.5
[INFO] [stderr]   Downloaded colored v2.0.4
[INFO] [stderr]   Downloaded cocoa v0.24.1
[INFO] [stderr]   Downloaded indexmap v2.0.0
[INFO] [stderr]   Downloaded regex v1.9.4
[INFO] [stderr]   Downloaded khronos_api v3.1.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.5
[INFO] [stderr]   Downloaded regex-syntax v0.7.5
[INFO] [stderr]   Downloaded regex-automata v0.3.7
[INFO] [stderr]   Downloaded glium v0.31.0
[INFO] [stderr]   Downloaded winnow v0.5.14
[INFO] [stderr]   Downloaded hashbrown v0.14.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.15.4
[INFO] [stderr]   Downloaded nix v0.22.3
[INFO] [stderr]   Downloaded unbounded-spsc v0.1.9
[INFO] [stderr]   Downloaded bitflags v2.4.0
[INFO] [stderr]   Downloaded toml_edit v0.19.14
[INFO] [stderr]   Downloaded marksman_escape v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.82
[INFO] [stderr]   Downloaded glutin v0.28.0
[INFO] [stderr]   Downloaded xml-rs v0.8.16
[INFO] [stderr]   Downloaded rustix v0.38.8
[INFO] [stderr]   Downloaded errno v0.3.2
[INFO] [stderr]   Downloaded variant_count v1.1.0
[INFO] [stderr]   Downloaded android_glue v0.2.3
[INFO] [stderr]   Downloaded takeable-option v0.5.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.6
[INFO] [stderr]   Downloaded glutin_emscripten_sys v0.1.1
[INFO] [stderr]   Downloaded macro-machines v0.10.2
[INFO] [stderr]   Downloaded bounded-spsc-queue v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34285979fe71c84dd1f41092edd18d151abdf65fde71dfc2ba31aa10586cb717
[INFO] running `Command { std: "docker" "start" "-a" "34285979fe71c84dd1f41092edd18d151abdf65fde71dfc2ba31aa10586cb717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34285979fe71c84dd1f41092edd18d151abdf65fde71dfc2ba31aa10586cb717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34285979fe71c84dd1f41092edd18d151abdf65fde71dfc2ba31aa10586cb717", kill_on_drop: false }`
[INFO] [stdout] 34285979fe71c84dd1f41092edd18d151abdf65fde71dfc2ba31aa10586cb717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc31d2120e35e7d83e9fe15985a62be6d34469f925ecf405d18fa8bb472d261b
[INFO] running `Command { std: "docker" "start" "-a" "cc31d2120e35e7d83e9fe15985a62be6d34469f925ecf405d18fa8bb472d261b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rustix v0.38.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling marksman_escape v0.1.2
[INFO] [stderr]    Compiling bounded-spsc-queue v0.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling smallvec v1.11.0
[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-6f17d22bba15001f/bounded-spsc-queue-0.4.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `bounded-spsc-queue` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "cc31d2120e35e7d83e9fe15985a62be6d34469f925ecf405d18fa8bb472d261b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc31d2120e35e7d83e9fe15985a62be6d34469f925ecf405d18fa8bb472d261b", kill_on_drop: false }`
[INFO] [stdout] cc31d2120e35e7d83e9fe15985a62be6d34469f925ecf405d18fa8bb472d261b
