[INFO] fetching crate iban_validate 4.0.0... [INFO] checking iban_validate-4.0.0 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219 [INFO] extracting crate iban_validate 4.0.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate iban_validate 4.0.0 on toolchain da897dfb6daa268a965d2d73620316ba56020a19 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ba2fd6e14e5a5c4aae19e1c940bb7a1b1a097dcb5c37a3b78d7cb2b6ea0f0e3 [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" "4ba2fd6e14e5a5c4aae19e1c940bb7a1b1a097dcb5c37a3b78d7cb2b6ea0f0e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ba2fd6e14e5a5c4aae19e1c940bb7a1b1a097dcb5c37a3b78d7cb2b6ea0f0e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ba2fd6e14e5a5c4aae19e1c940bb7a1b1a097dcb5c37a3b78d7cb2b6ea0f0e3", kill_on_drop: false }` [INFO] [stdout] 4ba2fd6e14e5a5c4aae19e1c940bb7a1b1a097dcb5c37a3b78d7cb2b6ea0f0e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9926f15ce7c40bb5bcfd84564c294b5957b675343675c6e01d26358adf96886b [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" "9926f15ce7c40bb5bcfd84564c294b5957b675343675c6e01d26358adf96886b", kill_on_drop: false }` [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling syn v1.0.40 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_test v1.0.115 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking iban_validate v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking proptest v0.9.6 [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/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] 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] 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] running `Command { std: "docker" "inspect" "9926f15ce7c40bb5bcfd84564c294b5957b675343675c6e01d26358adf96886b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9926f15ce7c40bb5bcfd84564c294b5957b675343675c6e01d26358adf96886b", kill_on_drop: false }` [INFO] [stdout] 9926f15ce7c40bb5bcfd84564c294b5957b675343675c6e01d26358adf96886b