[INFO] fetching crate iban_validate 4.0.0... [INFO] checking iban_validate-4.0.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180 [INFO] extracting crate iban_validate 4.0.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate iban_validate 4.0.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 163969fb0f9e9dbe019f31901a17c2a11f63bd21009f2f29047ac9d55b9626e4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "163969fb0f9e9dbe019f31901a17c2a11f63bd21009f2f29047ac9d55b9626e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "163969fb0f9e9dbe019f31901a17c2a11f63bd21009f2f29047ac9d55b9626e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "163969fb0f9e9dbe019f31901a17c2a11f63bd21009f2f29047ac9d55b9626e4", kill_on_drop: false }` [INFO] [stdout] 163969fb0f9e9dbe019f31901a17c2a11f63bd21009f2f29047ac9d55b9626e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fdc9b64c6c0a7655d6827e6b31e6309a6b3c2005ed1b8cd0ff7be2cd58f11247 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fdc9b64c6c0a7655d6827e6b31e6309a6b3c2005ed1b8cd0ff7be2cd58f11247", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Checking bit-vec v0.6.2 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking iban_validate v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] 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] [stdout] --> tests/parse.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | for &i in invalid_checksums.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] 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] [stdout] --> tests/parse.rs:63:27 [INFO] [stdout] | [INFO] [stdout] 63 | for &i in valid_ibans.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] 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] [stdout] --> tests/validate_country.rs:87:36 [INFO] [stdout] | [INFO] [stdout] 87 | for &i in valid_iban_countries.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] 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] [stdout] --> tests/validate_country.rs:110:35 [INFO] [stdout] | [INFO] [stdout] 110 | for &i in valid_iban_counties.into_iter() { [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] 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] [stdout] --> benches/iban_benchmark.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | b.iter(|| Iban::from_str(black_box(iban_str))?) [INFO] [stdout] | ---^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | cannot use the `?` operator in a closure that returns `iban::Iban` [INFO] [stdout] | this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `iban::Iban` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `iban_validate`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "fdc9b64c6c0a7655d6827e6b31e6309a6b3c2005ed1b8cd0ff7be2cd58f11247", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fdc9b64c6c0a7655d6827e6b31e6309a6b3c2005ed1b8cd0ff7be2cd58f11247", kill_on_drop: false }` [INFO] [stdout] fdc9b64c6c0a7655d6827e6b31e6309a6b3c2005ed1b8cd0ff7be2cd58f11247