[INFO] fetching crate keymatrix 0.1.2... [INFO] testing keymatrix-0.1.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate keymatrix 0.1.2 into /workspace/builds/worker-17/source [INFO] validating manifest of crates.io crate keymatrix 0.1.2 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate keymatrix 0.1.2 [INFO] finished tweaking crates.io crate keymatrix 0.1.2 [INFO] tweaked toml for crates.io crate keymatrix 0.1.2 written to /workspace/builds/worker-17/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cortex-m v0.3.1 [INFO] [stderr] Downloaded cortex-m v0.6.7 [INFO] [stderr] Downloaded mashup-impl v0.1.13+deprecated [INFO] [stderr] Downloaded mashup v0.1.13+deprecated [INFO] [stderr] Downloaded proc-macro-hack-impl v0.4.3 [INFO] [stderr] Downloaded proc-macro-hack v0.4.3 [INFO] [stderr] Downloaded cortex-m v0.4.3 [INFO] [stderr] Downloaded aligned v0.2.0 [INFO] [stderr] Downloaded aligned v0.1.2 [INFO] [stderr] Downloaded bare-metal v0.1.3 [INFO] [stderr] Downloaded r0 v0.2.2 [INFO] [stderr] Downloaded cortex-m-rt-macros v0.6.15 [INFO] [stderr] Downloaded cortex-m v0.5.11 [INFO] [stderr] Downloaded untagged-option v0.1.1 [INFO] [stderr] Downloaded cortex-m-rt v0.6.15 [INFO] [stderr] Downloaded atsamd-hal v0.4.1 [INFO] [stderr] Downloaded rtfm-core v0.2.0 [INFO] [stderr] Downloaded samd21_mini v0.1.2 [INFO] [stderr] Downloaded panic-abort v0.2.0 [INFO] [stderr] Downloaded cortex-m-rtfm-macros v0.3.2 [INFO] [stderr] Downloaded cortex-m-rtfm v0.3.4 [INFO] [stderr] Downloaded rtfm-syntax v0.3.4 [INFO] [stderr] Downloaded atsamd21-hal v0.2.1 [INFO] [stderr] Downloaded atsamd21g18a v0.3.1 [INFO] [stderr] Downloaded atsamd21g18a v0.4.0 [INFO] [stderr] Downloaded samd21g18a v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2d64e3b47a05338808e6713b6acd169a477aeb8434245a14a5e31b2aa58469c5 [INFO] running `Command { std: "docker" "start" "-a" "2d64e3b47a05338808e6713b6acd169a477aeb8434245a14a5e31b2aa58469c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d64e3b47a05338808e6713b6acd169a477aeb8434245a14a5e31b2aa58469c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d64e3b47a05338808e6713b6acd169a477aeb8434245a14a5e31b2aa58469c5", kill_on_drop: false }` [INFO] [stdout] 2d64e3b47a05338808e6713b6acd169a477aeb8434245a14a5e31b2aa58469c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 785412cb416f3738c3b43aac5c90215b0a910421f3a60b31db9187337c3a40a8 [INFO] running `Command { std: "docker" "start" "-a" "785412cb416f3738c3b43aac5c90215b0a910421f3a60b31db9187337c3a40a8", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.14.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling cortex-m v0.7.3 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling vcell v0.1.3 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling bitfield v0.13.2 [INFO] [stderr] Compiling cortex-m v0.6.7 [INFO] [stderr] Compiling cortex-m v0.5.11 [INFO] [stderr] Compiling aligned v0.2.0 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling volatile-register v0.2.1 [INFO] [stderr] Compiling embedded-hal v0.2.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling generic-array v0.11.2 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling aligned v0.3.5 [INFO] [stderr] Compiling keymatrix v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.17s [INFO] running `Command { std: "docker" "inspect" "785412cb416f3738c3b43aac5c90215b0a910421f3a60b31db9187337c3a40a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "785412cb416f3738c3b43aac5c90215b0a910421f3a60b31db9187337c3a40a8", kill_on_drop: false }` [INFO] [stdout] 785412cb416f3738c3b43aac5c90215b0a910421f3a60b31db9187337c3a40a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35023f67c22ce2bd7a5a12f9c5b38fada209f15c19a39c1503dc3368c78caa4f [INFO] running `Command { std: "docker" "start" "-a" "35023f67c22ce2bd7a5a12f9c5b38fada209f15c19a39c1503dc3368c78caa4f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling gimli v0.25.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling cortex-m-rt v0.6.15 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling aligned v0.1.2 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.3 [INFO] [stderr] Compiling bare-metal v0.1.3 [INFO] [stderr] Compiling r0 v0.2.2 [INFO] [stderr] Compiling atsamd21g18a v0.4.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling atsamd21g18a v0.3.1 [INFO] [stderr] Compiling cortex-m v0.4.3 [INFO] [stderr] Compiling cortex-m v0.3.1 [INFO] [stderr] Compiling cortex-m-rtfm v0.3.4 [INFO] [stderr] Compiling untagged-option v0.1.1 [INFO] [stderr] Compiling rtfm-core v0.2.0 [INFO] [stderr] Compiling panic-abort v0.2.0 [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.3/src/lib.rs:5:43 [INFO] [stdout] | [INFO] [stdout] 5 | #![cfg_attr(feature = "const-fn", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.3/src/lib.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | #![cfg_attr(feature = "const-fn", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bare-metal` due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:29 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(untagged_unions, const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [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/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:43 [INFO] [stdout] | [INFO] [stdout] 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(untagged_unions, const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35 [INFO] [stdout] | [INFO] [stdout] 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0740]: unions may not contain fields that need dropping [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | pub some: T, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `std::mem::ManuallyDrop` can be used to wrap the type [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | pub some: T, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557, E0740. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | #![feature(panic_implementation)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: subsumed by `#[panic_handler]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: cannot find attribute `panic_implementation` in this scope [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:28:3 [INFO] [stdout] | [INFO] [stdout] 28 | #[panic_implementation] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.2.0/src/lib.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | #![feature(panic_implementation)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "35023f67c22ce2bd7a5a12f9c5b38fada209f15c19a39c1503dc3368c78caa4f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35023f67c22ce2bd7a5a12f9c5b38fada209f15c19a39c1503dc3368c78caa4f", kill_on_drop: false }` [INFO] [stdout] 35023f67c22ce2bd7a5a12f9c5b38fada209f15c19a39c1503dc3368c78caa4f