[INFO] fetching crate vesc-comm 0.1.1... [INFO] checking vesc-comm-0.1.1 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate vesc-comm 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate vesc-comm 0.1.1 [INFO] finished tweaking crates.io crate vesc-comm 0.1.1 [INFO] tweaked toml for crates.io crate vesc-comm 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate vesc-comm 0.1.1 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 47 packages to latest compatible versions [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding heapless v0.4.4 (available: v0.9.1) [INFO] [stderr] Adding nb v0.1.3 (available: v1.1.0) [INFO] [stderr] Adding serialport v3.3.0 (available: v4.7.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b260ef5b0ea41183c4e33e9522d65d01caf09e0a5a1876b07935cd87bba6fc5 [INFO] running `Command { std: "docker" "start" "-a" "4b260ef5b0ea41183c4e33e9522d65d01caf09e0a5a1876b07935cd87bba6fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b260ef5b0ea41183c4e33e9522d65d01caf09e0a5a1876b07935cd87bba6fc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b260ef5b0ea41183c4e33e9522d65d01caf09e0a5a1876b07935cd87bba6fc5", kill_on_drop: false }` [INFO] [stdout] 4b260ef5b0ea41183c4e33e9522d65d01caf09e0a5a1876b07935cd87bba6fc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa6a81ffffaff04ed9ea68fbed1258bef089d477e12eb86c8e8a8cefdb2bd096 [INFO] running `Command { std: "docker" "start" "-a" "aa6a81ffffaff04ed9ea68fbed1258bef089d477e12eb86c8e8a8cefdb2bd096", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.18.0 [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Compiling pkg-config v0.3.32 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling crc16 v0.4.0 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling heapless v0.4.4 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking hash32 v0.1.1 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking generic-array v0.13.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking generic-array v0.11.2 [INFO] [stderr] Checking libudev v0.2.0 [INFO] [stderr] Checking as-slice v0.1.5 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/heapless-0.4.4/src/lib.rs:92:43 [INFO] [stdout] | [INFO] [stdout] 92 | #![cfg_attr(feature = "const-fn", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.54.0; see for more information [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/heapless-0.4.4/src/lib.rs:93:43 [INFO] [stdout] | [INFO] [stdout] 93 | #![cfg_attr(feature = "const-fn", feature(untagged_unions))] [INFO] [stdout] | ^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: removed in 1.64.0; see for more information [INFO] [stdout] = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `heapless` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "aa6a81ffffaff04ed9ea68fbed1258bef089d477e12eb86c8e8a8cefdb2bd096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa6a81ffffaff04ed9ea68fbed1258bef089d477e12eb86c8e8a8cefdb2bd096", kill_on_drop: false }` [INFO] [stdout] aa6a81ffffaff04ed9ea68fbed1258bef089d477e12eb86c8e8a8cefdb2bd096