[INFO] fetching crate matrix_portal_m4 0.1.2... [INFO] documenting matrix_portal_m4-0.1.2 against 1.100.0-beta.1 for beta-rustdoc-1.100-2 [INFO] extracting crate matrix_portal_m4 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate matrix_portal_m4 0.1.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate matrix_portal_m4 0.1.2 [INFO] tweaked toml for crates.io crate matrix_portal_m4 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate matrix_portal_m4 0.1.2 on toolchain 1.100.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate matrix_portal_m4 0.1.2 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db [INFO] running `Command { std: "docker" "start" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Compiling cortex-m-rt v0.7.5 [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Compiling atsamd51j v0.12.0 [INFO] [stderr] Checking critical-section v1.2.0 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking gcd v2.3.0 [INFO] [stderr] Compiling matrix_portal_m4 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Compiling seq-macro v0.3.6 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking fugit v0.3.7 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking cipher v0.3.0 [INFO] [stderr] Checking aes v0.7.5 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Checking modular-bitfield v0.11.2 [INFO] [stderr] Compiling cortex-m-rt-macros v0.7.5 [INFO] [stderr] Checking atsamd-hal v0.16.0 [INFO] [stdout] error[E0271]: type mismatch resolving `>::Error == Error` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/spi/reg.rs:342:28 [INFO] [stdout] | [INFO] [stdout] 342 | self.read_status().try_into()?; [INFO] [stdout] | ^^^^^^^^ expected `Error`, found `!` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `sercom::spi::Error` [INFO] [stdout] found type `!` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: core::convert::TryFrom` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/spi/reg.rs:342:28 [INFO] [stdout] | [INFO] [stdout] 342 | self.read_status().try_into()?; [INFO] [stdout] | ^^^^^^^^ the trait `From` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = note: required for `sercom::spi::Status` to implement `Into` [INFO] [stdout] = note: required for `!` to implement `core::convert::TryFrom` [INFO] [stdout] = note: required for `sercom::spi::Status` to implement `TryInto` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>::Error == Error` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/uart.rs:918:28 [INFO] [stdout] | [INFO] [stdout] 918 | self.read_status().try_into()?; [INFO] [stdout] | ^^^^^^^^ expected `Error`, found `!` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `uart::flags::Error` [INFO] [stdout] found type `!` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: core::convert::TryFrom` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/atsamd-hal-0.16.0/src/sercom/uart.rs:918:28 [INFO] [stdout] | [INFO] [stdout] 918 | self.read_status().try_into()?; [INFO] [stdout] | ^^^^^^^^ the trait `From` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = note: required for `uart::flags::Status` to implement `Into` [INFO] [stdout] = note: required for `!` to implement `core::convert::TryFrom` [INFO] [stdout] = note: required for `uart::flags::Status` to implement `TryInto` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0271, E0277. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0271`. [INFO] [stdout] [INFO] [stderr] error: could not compile `atsamd-hal` (lib) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db", kill_on_drop: false }` [INFO] [stdout] e12b3ebeb0d94d2602cf2bee3dff515bccb956e05f3eff1efefe26d1802ce6db