[INFO] fetching crate keebrs 0.3.0... [INFO] testing keebrs-0.3.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate keebrs 0.3.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate keebrs 0.3.0 [INFO] finished tweaking crates.io crate keebrs 0.3.0 [INFO] tweaked toml for crates.io crate keebrs 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate keebrs 0.3.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 51 packages to latest compatible versions [INFO] [stderr] Adding embedded-hal v0.2.7 (available: v1.0.0) [INFO] [stderr] Adding pin-project v0.4.30 (available: v1.1.10) [INFO] [stderr] Adding postcard v0.5.2 (available: v1.1.3) [INFO] [stderr] Adding smart-leds v0.3.0 (available: v0.4.0) [INFO] [stderr] Adding usb-device v0.2.9 (available: v0.3.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded derive-newtype v0.2.3 [INFO] [stderr] Downloaded smart-leds v0.3.0 [INFO] [stderr] Downloaded postcard v0.5.2 [INFO] [stderr] Downloaded async-codec v0.4.1 [INFO] [stderr] Downloaded newtype v0.2.1 [INFO] [stderr] Downloaded smart-leds-trait v0.2.1 [INFO] [stderr] Downloaded polymer-core v0.1.0 [INFO] [stderr] Downloaded heapless v0.5.6 [INFO] [stderr] Downloaded postcard-cobs v0.1.5-pre [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e7f54a7e6175ee897b206f79f20d480140ec701a614f3786b186471a7e107aa [INFO] running `Command { std: "docker" "start" "-a" "0e7f54a7e6175ee897b206f79f20d480140ec701a614f3786b186471a7e107aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e7f54a7e6175ee897b206f79f20d480140ec701a614f3786b186471a7e107aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e7f54a7e6175ee897b206f79f20d480140ec701a614f3786b186471a7e107aa", kill_on_drop: false }` [INFO] [stdout] 0e7f54a7e6175ee897b206f79f20d480140ec701a614f3786b186471a7e107aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 166f42a6f96bd7a67b735db2c5b04a97b727a52727916ee3a274eb3588702be6 [INFO] running `Command { std: "docker" "start" "-a" "166f42a6f96bd7a67b735db2c5b04a97b727a52727916ee3a274eb3588702be6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling futures-core v0.3.31 [INFO] [stderr] Compiling futures-sink v0.3.31 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling nb v1.1.0 [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling polymer-core v0.1.0 [INFO] [stderr] Compiling smart-leds-trait v0.2.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polymer-core-0.1.0/src/lib.rs:2:34 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(arbitrary_self_types, const_fn, never_type)] [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] For more information about this error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] Compiling postcard-cobs v0.1.5-pre [INFO] [stderr] error: could not compile `polymer-core` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "166f42a6f96bd7a67b735db2c5b04a97b727a52727916ee3a274eb3588702be6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "166f42a6f96bd7a67b735db2c5b04a97b727a52727916ee3a274eb3588702be6", kill_on_drop: false }` [INFO] [stdout] 166f42a6f96bd7a67b735db2c5b04a97b727a52727916ee3a274eb3588702be6