[INFO] fetching crate mips 0.2.1...
[INFO] extracting crate mips 0.2.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/mips/0.2.1
[INFO] extracting crate mips 0.2.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/mips/0.2.1
[INFO] validating manifest of mips-0.2.1 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mips-0.2.1 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mips-0.2.1
[INFO] finished frobbing mips-0.2.1
[INFO] frobbed toml for mips-0.2.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/mips/0.2.1/Cargo.toml
[INFO] started frobbing mips-0.2.1
[INFO] finished frobbing mips-0.2.1
[INFO] frobbed toml for mips-0.2.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/mips/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mips-0.2.1 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/mips/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e6845182409a3ac6f6e7a14e6e642ae2cfe5d4ef1e5c586af7f7c41ed6e2757e
[INFO] running `"docker" "start" "-a" "e6845182409a3ac6f6e7a14e6e642ae2cfe5d4ef1e5c586af7f7c41ed6e2757e"`
[INFO] [stderr]     Checking mips v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interrupts.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn critical_section(f: &Fn() -> ()) {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `BitField` is imported redundantly
[INFO] [stderr]    --> src/addr.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use bit_field::BitField;
[INFO] [stderr]     |     ------------------- the item `BitField` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 124 |         use bit_field::BitField;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interrupts.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn critical_section(f: &Fn() -> ()) {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: use `dyn`: `dyn Fn() -> ()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `BitField` is imported redundantly
[INFO] [stderr]    --> src/addr.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use bit_field::BitField;
[INFO] [stderr]     |     ------------------- the item `BitField` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 124 |         use bit_field::BitField;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "e6845182409a3ac6f6e7a14e6e642ae2cfe5d4ef1e5c586af7f7c41ed6e2757e"`
[INFO] running `"docker" "rm" "-f" "e6845182409a3ac6f6e7a14e6e642ae2cfe5d4ef1e5c586af7f7c41ed6e2757e"`
[INFO] [stdout] e6845182409a3ac6f6e7a14e6e642ae2cfe5d4ef1e5c586af7f7c41ed6e2757e