[INFO] crate sufdb 0.1.7 is already in cache
[INFO] extracting crate sufdb 0.1.7 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sufdb/0.1.7
[INFO] extracting crate sufdb 0.1.7 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/sufdb/0.1.7
[INFO] validating manifest of sufdb-0.1.7 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sufdb-0.1.7 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sufdb-0.1.7
[INFO] finished frobbing sufdb-0.1.7
[INFO] frobbed toml for sufdb-0.1.7 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sufdb/0.1.7/Cargo.toml
[INFO] started frobbing sufdb-0.1.7
[INFO] finished frobbing sufdb-0.1.7
[INFO] frobbed toml for sufdb-0.1.7 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/sufdb/0.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sufdb-0.1.7 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/sufdb/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 073410f11ae617534e0eb06495d469db88a1ca34499366223c062f3b323a27f6
[INFO] running `"docker" "start" "-a" "073410f11ae617534e0eb06495d469db88a1ca34499366223c062f3b323a27f6"`
[INFO] [stderr]     Checking suffix v1.1.0
[INFO] [stderr]     Checking sufdb v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] error[E0277]: `std::borrow::Cow<'_, [u32]>` is not an iterator
[INFO] [stderr]    --> src/btree.rs:216:22
[INFO] [stderr]     |
[INFO] [stderr] 216 |         for sufid in table {
[INFO] [stderr]     |                      ^^^^^ `std::borrow::Cow<'_, [u32]>` is not an iterator
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::Iterator` is not implemented for `std::borrow::Cow<'_, [u32]>`
[INFO] [stderr]     = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/btree.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / macro_rules! lg {
[INFO] [stderr] 19 | |     ($($tt:tt)*) => ({
[INFO] [stderr] 20 | |         use std::io::{Write, stderr};
[INFO] [stderr] 21 | |         (writeln!(&mut stderr(), $($tt)*)).unwrap();
[INFO] [stderr] 22 | |     });
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `sufdb`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0277]: `std::borrow::Cow<'_, [u32]>` is not an iterator
[INFO] [stderr]    --> src/btree.rs:216:22
[INFO] [stderr]     |
[INFO] [stderr] 216 |         for sufid in table {
[INFO] [stderr]     |                      ^^^^^ `std::borrow::Cow<'_, [u32]>` is not an iterator
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::iter::Iterator` is not implemented for `std::borrow::Cow<'_, [u32]>`
[INFO] [stderr]     = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `sufdb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "073410f11ae617534e0eb06495d469db88a1ca34499366223c062f3b323a27f6"`
[INFO] running `"docker" "rm" "-f" "073410f11ae617534e0eb06495d469db88a1ca34499366223c062f3b323a27f6"`
[INFO] [stdout] 073410f11ae617534e0eb06495d469db88a1ca34499366223c062f3b323a27f6