[INFO] crate iban_validate 4.0.0 is already in cache
[INFO] checking iban_validate-4.0.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate iban_validate 4.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate iban_validate 4.0.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iban_validate 4.0.0
[INFO] finished tweaking crates.io crate iban_validate 4.0.0
[INFO] tweaked toml for crates.io crate iban_validate 4.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3dff8ff98fa8f41c6fbb51909e885559f7e9e00db18f148a58e0f71468a0a463
[INFO] running `"docker" "start" "-a" "3dff8ff98fa8f41c6fbb51909e885559f7e9e00db18f148a58e0f71468a0a463"`
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking iban_validate v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v0.9.5
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: this method call currently resolves to `<&[T] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/validate_country.rs:87:36
[INFO] [stderr]    |
[INFO] [stderr] 87 |     for &i in valid_iban_countries.into_iter() {
[INFO] [stderr]    |                                    ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> tests/validate_country.rs:110:35
[INFO] [stderr]     |
[INFO] [stderr] 110 |     for &i in valid_iban_counties.into_iter() {
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/parse.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 |     for &i in invalid_checksums.into_iter() {
[INFO] [stderr]    |                                 ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]   --> tests/parse.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |     for &i in valid_ibans.into_iter() {
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the `?` operator can only be used in a closure that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stderr]  --> benches/iban_benchmark.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |         b.iter(|| Iban::from_str(black_box(iban_str))?)
[INFO] [stderr]   |                ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |                |  |
[INFO] [stderr]   |                |  cannot use the `?` operator in a closure that returns `iban::Iban`
[INFO] [stderr]   |                this function should return `Result` or `Option` to accept `?`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the trait `std::ops::Try` is not implemented for `iban::Iban`
[INFO] [stderr]   = note: required by `std::ops::Try::from_error`
[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 `iban_validate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3dff8ff98fa8f41c6fbb51909e885559f7e9e00db18f148a58e0f71468a0a463"`
[INFO] running `"docker" "rm" "-f" "3dff8ff98fa8f41c6fbb51909e885559f7e9e00db18f148a58e0f71468a0a463"`
[INFO] [stdout] 3dff8ff98fa8f41c6fbb51909e885559f7e9e00db18f148a58e0f71468a0a463
