[INFO] fetching crate verex 0.2.2...
[INFO] testing verex-0.2.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate verex 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate verex 0.2.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate verex 0.2.2
[INFO] finished tweaking crates.io crate verex 0.2.2
[INFO] tweaked toml for crates.io crate verex 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7231847dc620f2f802ca52fd0777e90a0a785d45a467415b55544503a8a98651
[INFO] running `Command { std: "docker" "start" "-a" "7231847dc620f2f802ca52fd0777e90a0a785d45a467415b55544503a8a98651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7231847dc620f2f802ca52fd0777e90a0a785d45a467415b55544503a8a98651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7231847dc620f2f802ca52fd0777e90a0a785d45a467415b55544503a8a98651", kill_on_drop: false }`
[INFO] [stdout] 7231847dc620f2f802ca52fd0777e90a0a785d45a467415b55544503a8a98651
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b66022e46154f7229c364fa01a940b90693a134e98ee7a13ab97f29db6559631
[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" "b66022e46154f7229c364fa01a940b90693a134e98ee7a13ab97f29db6559631", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling verex v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/verex/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / bitflags! {
[INFO] [stdout] 7  | |     flags Modifiers: u8 {
[INFO] [stdout] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stdout] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/verex/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / bitflags! {
[INFO] [stdout] 7  | |     flags Modifiers: u8 {
[INFO] [stdout] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stdout] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/verex/mod.rs:368:21
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let regex = try!(self.compile());
[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]   --> src/verex/mod.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for pair in ESCAPE_PAIRS.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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for pair in ESCAPE_PAIRS.iter() {
[INFO] [stdout]    |                              ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 61 -     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stdout] 61 +     for pair in ESCAPE_PAIRS {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.77s
[INFO] running `Command { std: "docker" "inspect" "b66022e46154f7229c364fa01a940b90693a134e98ee7a13ab97f29db6559631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66022e46154f7229c364fa01a940b90693a134e98ee7a13ab97f29db6559631", kill_on_drop: false }`
[INFO] [stdout] b66022e46154f7229c364fa01a940b90693a134e98ee7a13ab97f29db6559631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a0e2a34c4c1bf9dbbab04845155411387a301a5fb7a3997c6077d69d76bf912
[INFO] running `Command { std: "docker" "start" "-a" "4a0e2a34c4c1bf9dbbab04845155411387a301a5fb7a3997c6077d69d76bf912", kill_on_drop: false }`
[INFO] [stderr]    Compiling verex v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/verex/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / bitflags! {
[INFO] [stdout] 7  | |     flags Modifiers: u8 {
[INFO] [stdout] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stdout] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/verex/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / bitflags! {
[INFO] [stdout] 7  | |     flags Modifiers: u8 {
[INFO] [stdout] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stdout] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/verex/mod.rs:368:21
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let regex = try!(self.compile());
[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]   --> src/verex/mod.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for pair in ESCAPE_PAIRS.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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for pair in ESCAPE_PAIRS.iter() {
[INFO] [stdout]    |                              ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 61 -     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stdout] 61 +     for pair in ESCAPE_PAIRS {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/verex/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / bitflags! {
[INFO] [stdout] 7  | |     flags Modifiers: u8 {
[INFO] [stdout] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stdout] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/verex/mod.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | / bitflags! {
[INFO] [stdout] 7  | |     flags Modifiers: u8 {
[INFO] [stdout] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stdout] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stdout] 10 | |     }
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/verex/mod.rs:368:21
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let regex = try!(self.compile());
[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]   --> src/verex/mod.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for pair in ESCAPE_PAIRS.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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for pair in ESCAPE_PAIRS.iter() {
[INFO] [stdout]    |                              ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 61 -     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stdout] 61 +     for pair in ESCAPE_PAIRS {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "4a0e2a34c4c1bf9dbbab04845155411387a301a5fb7a3997c6077d69d76bf912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0e2a34c4c1bf9dbbab04845155411387a301a5fb7a3997c6077d69d76bf912", kill_on_drop: false }`
[INFO] [stdout] 4a0e2a34c4c1bf9dbbab04845155411387a301a5fb7a3997c6077d69d76bf912
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64f79dbd6358ee08ec4ef844f14b4a061ad60f9b889ec5e6854fbd9e2f933c2a
[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" "64f79dbd6358ee08ec4ef844f14b4a061ad60f9b889ec5e6854fbd9e2f933c2a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/verex/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / bitflags! {
[INFO] [stderr] 7  | |     flags Modifiers: u8 {
[INFO] [stderr] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stderr] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stderr] 10 | |     }
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/verex/mod.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / bitflags! {
[INFO] [stderr] 7  | |     flags Modifiers: u8 {
[INFO] [stderr] 8  | |         const MULTI_LINE        = 0b00000001,
[INFO] [stderr] 9  | |         const CASE_INSENSITIVE  = 0b00000010,
[INFO] [stderr] 10 | |     }
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `bitflags` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/verex/mod.rs:368:21
[INFO] [stderr]     |
[INFO] [stderr] 368 |         let regex = try!(self.compile());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/verex/mod.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stderr]    |                              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for pair in ESCAPE_PAIRS.iter() {
[INFO] [stderr]    |                              ~~~~
[INFO] [stderr] help: or remove `.into_iter()` to iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 61 -     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stderr] 61 +     for pair in ESCAPE_PAIRS {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `verex` (lib) generated 4 warnings
[INFO] [stdout] running 35 tests
[INFO] [stderr] warning: `verex` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stdout] test verex::test::test_add ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] test verex::test::test_constructors ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/verex-58c2d271ffaf327d)
[INFO] [stdout] test verex::test::test_digit ... ok
[INFO] [stdout] test verex::test::test_br_and_linebreak ... ok
[INFO] [stdout] test verex::test::test_capture_value ... ok
[INFO] [stdout] test verex::test::test_find_expr_verex ... ok
[INFO] [stdout] test verex::test::test_i_modifier ... ok
[INFO] [stdout] test verex::test::test_find_expr_string ... ok
[INFO] [stdout] test verex::test::test_capture_expr ... ok
[INFO] [stdout] test verex::test::test_maybe_expr ... ok
[INFO] [stdout] test verex::test::test_anything ... ok
[INFO] [stdout] test verex::test::test_any_and_any_of ... ok
[INFO] [stdout] test verex::test::test_range ... ok
[INFO] [stdout] test verex::test::test_replace ... ok
[INFO] [stdout] test verex::test::test_something ... ok
[INFO] [stdout] test verex::test::test_repeat_zero_or_more ... ok
[INFO] [stdout] test verex::test::test_compile_regex ... ok
[INFO] [stdout] test verex::test::test_find_expr_regex ... ok
[INFO] [stdout] test verex::test::test_m_modifier ... ok
[INFO] [stdout] test verex::test::test_find_and_then ... ok
[INFO] [stdout] test verex::test_match_expr ... ok
[INFO] [stdout] test verex::test::test_source_and_raw_and_value ... ok
[INFO] [stdout] test verex::test::test_anything_but ... ok
[INFO] [stdout] test verex::test::test_maybe ... ok
[INFO] [stdout] test verex::test::test_update_source_with_modifiers ... ok
[INFO] [stdout] test verex::test::test_repeat_n_to_m ... ok
[INFO] [stdout] test verex::test::test_capture ... ok
[INFO] [stdout] test verex::test::test_someting_but ... ok
[INFO] [stdout] test verex::test::test_repeat_once_or_more ... ok
[INFO] [stdout] test verex::test::test_find_chained ... ok
[INFO] [stdout] test verex::test::test_repeat_n_and_repeat_previous ... ok
[INFO] [stdout] test verex::test::test_find_escapes ... ok
[INFO] [stdout] test verex::test::test_word ... ok
[INFO] [stdout] test verex::test::test_or_and_or_find ... ok
[INFO] [stdout] test verex::test::test_escape ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests verex
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "64f79dbd6358ee08ec4ef844f14b4a061ad60f9b889ec5e6854fbd9e2f933c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f79dbd6358ee08ec4ef844f14b4a061ad60f9b889ec5e6854fbd9e2f933c2a", kill_on_drop: false }`
[INFO] [stdout] 64f79dbd6358ee08ec4ef844f14b4a061ad60f9b889ec5e6854fbd9e2f933c2a