[INFO] fetching crate blues-notecard 0.6.0...
[INFO] checking blues-notecard-0.6.0 against 1.95.0 for pr-155915
[INFO] extracting crate blues-notecard 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate blues-notecard 0.6.0
[INFO] finished tweaking crates.io crate blues-notecard 0.6.0
[INFO] tweaked toml for crates.io crate blues-notecard 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate blues-notecard 0.6.0 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 blues-notecard 0.6.0 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 serde-json-core v0.5.1
[INFO] [stderr]   Downloaded embedded-hal-mock v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5f2154854badd54c68d587aeb305b18e35f67bcba63f7e372c8aa3f574ed25d0
[INFO] running `Command { std: "docker" "start" "-a" "5f2154854badd54c68d587aeb305b18e35f67bcba63f7e372c8aa3f574ed25d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2154854badd54c68d587aeb305b18e35f67bcba63f7e372c8aa3f574ed25d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2154854badd54c68d587aeb305b18e35f67bcba63f7e372c8aa3f574ed25d0", kill_on_drop: false }`
[INFO] [stdout] 5f2154854badd54c68d587aeb305b18e35f67bcba63f7e372c8aa3f574ed25d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cafa8277ff7ab8fdaafcc8e8556d73b47db4acf49c86cbdcc13e560a8b79dd32
[INFO] running `Command { std: "docker" "start" "-a" "cafa8277ff7ab8fdaafcc8e8556d73b47db4acf49c86cbdcc13e560a8b79dd32", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling defmt-macros v1.0.1
[INFO] [stderr]    Compiling defmt v1.0.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking ufmt-write v0.1.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking bytemuck v1.22.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking embedded-time v0.12.1
[INFO] [stderr]     Checking embedded-hal-mock v0.10.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling defmt-parser v1.0.0
[INFO] [stderr]     Checking defmt v0.3.100
[INFO] [stderr]     Checking serde-json-core v0.5.1
[INFO] [stderr]     Checking blues-notecard v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_changing_struct_update)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(type_changing_struct_update)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blues-notecard` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blues-notecard` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cafa8277ff7ab8fdaafcc8e8556d73b47db4acf49c86cbdcc13e560a8b79dd32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafa8277ff7ab8fdaafcc8e8556d73b47db4acf49c86cbdcc13e560a8b79dd32", kill_on_drop: false }`
[INFO] [stdout] cafa8277ff7ab8fdaafcc8e8556d73b47db4acf49c86cbdcc13e560a8b79dd32
