[INFO] fetching crate efm32hg308-pac 0.1.0... [INFO] checking efm32hg308-pac-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate efm32hg308-pac 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate efm32hg308-pac 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate efm32hg308-pac 0.1.0 [INFO] finished tweaking crates.io crate efm32hg308-pac 0.1.0 [INFO] tweaked toml for crates.io crate efm32hg308-pac 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 19 packages [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bitfield v0.13.2 (latest: v0.14.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cec0f9fca89efd478a966de12d66e1ab3fb3f74b89e44d6e3824807f7c173a59 [INFO] running `Command { std: "docker" "start" "-a" "cec0f9fca89efd478a966de12d66e1ab3fb3f74b89e44d6e3824807f7c173a59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cec0f9fca89efd478a966de12d66e1ab3fb3f74b89e44d6e3824807f7c173a59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cec0f9fca89efd478a966de12d66e1ab3fb3f74b89e44d6e3824807f7c173a59", kill_on_drop: false }` [INFO] [stdout] cec0f9fca89efd478a966de12d66e1ab3fb3f74b89e44d6e3824807f7c173a59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 847f55d2f1fa80a5ef7b560df9a665fc9c22fbaad5b4fe9d27507697a0976ad0 [INFO] running `Command { std: "docker" "start" "-a" "847f55d2f1fa80a5ef7b560df9a665fc9c22fbaad5b4fe9d27507697a0976ad0", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling efm32hg308-pac v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 for more information [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(const_err)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC for more information [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | #![deny(private_in_public)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 for more information [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(const_err)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC for more information [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | #![deny(private_in_public)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.39s [INFO] running `Command { std: "docker" "inspect" "847f55d2f1fa80a5ef7b560df9a665fc9c22fbaad5b4fe9d27507697a0976ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "847f55d2f1fa80a5ef7b560df9a665fc9c22fbaad5b4fe9d27507697a0976ad0", kill_on_drop: false }` [INFO] [stdout] 847f55d2f1fa80a5ef7b560df9a665fc9c22fbaad5b4fe9d27507697a0976ad0 [INFO] checking efm32hg308-pac-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate efm32hg308-pac 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate efm32hg308-pac 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate efm32hg308-pac 0.1.0 [INFO] finished tweaking crates.io crate efm32hg308-pac 0.1.0 [INFO] tweaked toml for crates.io crate efm32hg308-pac 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 19 packages [INFO] [stderr] Adding bare-metal v0.2.5 (latest: v1.0.0) [INFO] [stderr] Adding bitfield v0.13.2 (latest: v0.14.0) [INFO] [stderr] Adding embedded-hal v0.2.7 (latest: v1.0.0) [INFO] [stderr] Adding nb v0.1.3 (latest: v1.1.0) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 49f94efe649c11a675b22e047fe8f4b6ec15cbb9d6550a7076055764d38b672f [INFO] running `Command { std: "docker" "start" "-a" "49f94efe649c11a675b22e047fe8f4b6ec15cbb9d6550a7076055764d38b672f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "49f94efe649c11a675b22e047fe8f4b6ec15cbb9d6550a7076055764d38b672f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49f94efe649c11a675b22e047fe8f4b6ec15cbb9d6550a7076055764d38b672f", kill_on_drop: false }` [INFO] [stdout] 49f94efe649c11a675b22e047fe8f4b6ec15cbb9d6550a7076055764d38b672f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 853a8baa5f0f9e91dd8cc730d926e80d5940b94875258f87d185b1f6c884f7da [INFO] running `Command { std: "docker" "start" "-a" "853a8baa5f0f9e91dd8cc730d926e80d5940b94875258f87d185b1f6c884f7da", kill_on_drop: false }` [INFO] [stderr] Checking nb v1.1.0 [INFO] [stderr] Compiling cortex-m v0.7.7 [INFO] [stderr] Checking vcell v0.1.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking bitfield v0.13.2 [INFO] [stderr] Compiling efm32hg308-pac v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling bare-metal v0.2.5 [INFO] [stderr] Checking volatile-register v0.2.2 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.7 [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 for more information [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(const_err)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC for more information [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | #![deny(private_in_public)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 for more information [INFO] [stdout] --> src/lib.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(const_err)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC for more information [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | #![deny(private_in_public)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s [INFO] running `Command { std: "docker" "inspect" "853a8baa5f0f9e91dd8cc730d926e80d5940b94875258f87d185b1f6c884f7da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "853a8baa5f0f9e91dd8cc730d926e80d5940b94875258f87d185b1f6c884f7da", kill_on_drop: false }` [INFO] [stdout] 853a8baa5f0f9e91dd8cc730d926e80d5940b94875258f87d185b1f6c884f7da