[INFO] fetching crate polymer 0.2.0... [INFO] testing polymer-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate polymer 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config [INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate polymer 0.2.0 [INFO] finished tweaking crates.io crate polymer 0.2.0 [INFO] tweaked toml for crates.io crate polymer 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate polymer 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate polymer 0.2.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45dd83c73fccae246d672ef26039d7fd67d829c0fd9d6a8d1d4d443d4853904c [INFO] running `Command { std: "docker" "start" "-a" "45dd83c73fccae246d672ef26039d7fd67d829c0fd9d6a8d1d4d443d4853904c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45dd83c73fccae246d672ef26039d7fd67d829c0fd9d6a8d1d4d443d4853904c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45dd83c73fccae246d672ef26039d7fd67d829c0fd9d6a8d1d4d443d4853904c", kill_on_drop: false }` [INFO] [stdout] 45dd83c73fccae246d672ef26039d7fd67d829c0fd9d6a8d1d4d443d4853904c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a3ab649603fad0c5479cd5b7901ec6144fb58217ce2a04f58b2303e92953cb8 [INFO] running `Command { std: "docker" "start" "-a" "4a3ab649603fad0c5479cd5b7901ec6144fb58217ce2a04f58b2303e92953cb8", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cortex-m v0.6.3 [INFO] [stderr] Compiling vcell v0.1.2 [INFO] [stderr] Compiling futures-core v0.3.7 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling futures-sink v0.3.7 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling volatile-register v0.2.0 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling futures-task v0.3.7 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling futures-channel v0.3.7 [INFO] [stderr] Compiling cortex-m-rt v0.6.13 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling futures-io v0.3.7 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling stm32-usbd v0.5.1 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling stm32f1 v0.11.0 [INFO] [stderr] Compiling usb-device v0.2.7 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling bytemuck v1.4.1 [INFO] [stderr] Compiling embedded-hal v0.2.4 [INFO] [stderr] Compiling polymer-core v0.1.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling cortex-m-rtic v0.5.5 [INFO] [stderr] Compiling rgb v0.8.25 [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 lock_api v0.3.4 [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" "4a3ab649603fad0c5479cd5b7901ec6144fb58217ce2a04f58b2303e92953cb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a3ab649603fad0c5479cd5b7901ec6144fb58217ce2a04f58b2303e92953cb8", kill_on_drop: false }` [INFO] [stdout] 4a3ab649603fad0c5479cd5b7901ec6144fb58217ce2a04f58b2303e92953cb8