[INFO] fetching crate iban_validate 4.0.0... [INFO] checking iban_validate-4.0.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041 [INFO] extracting crate iban_validate 4.0.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate iban_validate 4.0.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 88bdf7a2afc61c088b67cdcc05f9c29f58ea795059a79b04e9ad02ff6a074823 [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" "88bdf7a2afc61c088b67cdcc05f9c29f58ea795059a79b04e9ad02ff6a074823", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "88bdf7a2afc61c088b67cdcc05f9c29f58ea795059a79b04e9ad02ff6a074823", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88bdf7a2afc61c088b67cdcc05f9c29f58ea795059a79b04e9ad02ff6a074823", kill_on_drop: false }` [INFO] [stdout] 88bdf7a2afc61c088b67cdcc05f9c29f58ea795059a79b04e9ad02ff6a074823 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6710e1a103c4e60326e3c35e1a28c0f631b2593120397d062fcca45caefb3281 [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" "6710e1a103c4e60326e3c35e1a28c0f631b2593120397d062fcca45caefb3281", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking serde_test v1.0.127 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking bstr v0.2.16 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking iban_validate v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.6 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> tests/parse.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | for &i in invalid_checksums.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 41 | for &i in invalid_checksums.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 41 - for &i in invalid_checksums.into_iter() { [INFO] [stdout] 41 + for &i in invalid_checksums { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> tests/parse.rs:63:27 [INFO] [stdout] | [INFO] [stdout] 63 | for &i in valid_ibans.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 63 | for &i in valid_ibans.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 63 - for &i in valid_ibans.into_iter() { [INFO] [stdout] 63 + for &i in valid_ibans { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> tests/validate_country.rs:87:36 [INFO] [stdout] | [INFO] [stdout] 87 | for &i in valid_iban_countries.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 87 | for &i in valid_iban_countries.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 87 - for &i in valid_iban_countries.into_iter() { [INFO] [stdout] 87 + for &i in valid_iban_countries { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> tests/validate_country.rs:110:35 [INFO] [stdout] | [INFO] [stdout] 110 | for &i in valid_iban_counties.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 110 | for &i in valid_iban_counties.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 110 - for &i in valid_iban_counties.into_iter() { [INFO] [stdout] 110 + for &i in valid_iban_counties { [INFO] [stdout] | [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 `FromResidual`) [INFO] [stdout] --> benches/iban_benchmark.rs:8:54 [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` [INFO] [stdout] | this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `Iban` [INFO] [stdout] note: required by `from_residual` [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` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6710e1a103c4e60326e3c35e1a28c0f631b2593120397d062fcca45caefb3281", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6710e1a103c4e60326e3c35e1a28c0f631b2593120397d062fcca45caefb3281", kill_on_drop: false }` [INFO] [stdout] 6710e1a103c4e60326e3c35e1a28c0f631b2593120397d062fcca45caefb3281