[INFO] fetching crate ctflag_derive 0.1.1...
[INFO] extracting crate ctflag_derive 0.1.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ctflag_derive/0.1.1
[INFO] extracting crate ctflag_derive 0.1.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ctflag_derive/0.1.1
[INFO] validating manifest of ctflag_derive-0.1.1 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 ctflag_derive-0.1.1 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 ctflag_derive-0.1.1
[INFO] finished frobbing ctflag_derive-0.1.1
[INFO] frobbed toml for ctflag_derive-0.1.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ctflag_derive/0.1.1/Cargo.toml
[INFO] started frobbing ctflag_derive-0.1.1
[INFO] finished frobbing ctflag_derive-0.1.1
[INFO] frobbed toml for ctflag_derive-0.1.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ctflag_derive/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking ctflag_derive-0.1.1 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ctflag_derive/0.1.1:/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] 0bc26e9d9b417180042437b38c12986c86b586e6b861b26f3202c018fb3deae9
[INFO] running `"docker" "start" "-a" "0bc26e9d9b417180042437b38c12986c86b586e6b861b26f3202c018fb3deae9"`
[INFO] [stderr]     Checking ctflag_derive v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `ToTokens` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:494:21
[INFO] [stderr]     |
[INFO] [stderr] 8   | use quote::{quote, quote_spanned, ToTokens};
[INFO] [stderr]     |                                   -------- the item `ToTokens` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 494 |                 use quote::ToTokens;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToTokens` is imported redundantly
[INFO] [stderr]    --> src/lib.rs:494:21
[INFO] [stderr]     |
[INFO] [stderr] 8   | use quote::{quote, quote_spanned, ToTokens};
[INFO] [stderr]     |                                   -------- the item `ToTokens` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 494 |                 use quote::ToTokens;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "0bc26e9d9b417180042437b38c12986c86b586e6b861b26f3202c018fb3deae9"`
[INFO] running `"docker" "rm" "-f" "0bc26e9d9b417180042437b38c12986c86b586e6b861b26f3202c018fb3deae9"`
[INFO] [stdout] 0bc26e9d9b417180042437b38c12986c86b586e6b861b26f3202c018fb3deae9