[INFO] fetching crate efm32wg395-pac 0.1.0...
[INFO] checking efm32wg395-pac-0.1.0 against try#a9fc5861842d0dd949115c5f7677a90b5e29a4cf for pr-115583
[INFO] extracting crate efm32wg395-pac 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate efm32wg395-pac 0.1.0 on toolchain a9fc5861842d0dd949115c5f7677a90b5e29a4cf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9fc5861842d0dd949115c5f7677a90b5e29a4cf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate efm32wg395-pac 0.1.0
[INFO] finished tweaking crates.io crate efm32wg395-pac 0.1.0
[INFO] tweaked toml for crates.io crate efm32wg395-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" "+a9fc5861842d0dd949115c5f7677a90b5e29a4cf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a9fc5861842d0dd949115c5f7677a90b5e29a4cf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:8d77639b970c52ec67607038b3ec48894629de24504b62a68269497566821cc0" "/opt/rustwide/cargo-home/bin/cargo" "+a9fc5861842d0dd949115c5f7677a90b5e29a4cf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17137d6d07372a539e7debe5d407a16d5219fe4778e1e4816a12ff87e61415a3
[INFO] running `Command { std: "docker" "start" "-a" "17137d6d07372a539e7debe5d407a16d5219fe4778e1e4816a12ff87e61415a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17137d6d07372a539e7debe5d407a16d5219fe4778e1e4816a12ff87e61415a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17137d6d07372a539e7debe5d407a16d5219fe4778e1e4816a12ff87e61415a3", kill_on_drop: false }`
[INFO] [stdout] 17137d6d07372a539e7debe5d407a16d5219fe4778e1e4816a12ff87e61415a3
[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@sha256:8d77639b970c52ec67607038b3ec48894629de24504b62a68269497566821cc0" "/opt/rustwide/cargo-home/bin/cargo" "+a9fc5861842d0dd949115c5f7677a90b5e29a4cf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62d1d582765c51e3241b83d8c683160a231ed2ab389464c8dd44520e15ae910
[INFO] running `Command { std: "docker" "start" "-a" "e62d1d582765c51e3241b83d8c683160a231ed2ab389464c8dd44520e15ae910", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling efm32wg395-pac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking volatile-register v0.2.1
[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 <https://github.com/rust-lang/rust/issues/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 <https://rust-lang.github.io/rfcs/2145-type-privacy.html> 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 <https://github.com/rust-lang/rust/issues/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 <https://rust-lang.github.io/rfcs/2145-type-privacy.html> 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 [unoptimized + debuginfo] target(s) in 12.34s
[INFO] running `Command { std: "docker" "inspect" "e62d1d582765c51e3241b83d8c683160a231ed2ab389464c8dd44520e15ae910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62d1d582765c51e3241b83d8c683160a231ed2ab389464c8dd44520e15ae910", kill_on_drop: false }`
[INFO] [stdout] e62d1d582765c51e3241b83d8c683160a231ed2ab389464c8dd44520e15ae910