[INFO] fetching crate verex 0.2.2...
[INFO] checking verex-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate verex 0.2.2 into /workspace/builds/worker-3-tc2/source
[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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate verex 0.2.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v0.4.0 (available: v2.10.0)
[INFO] [stderr]       Adding regex v0.1.80 (available: v1.12.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e673d6c2da3335e05086ce18f3f3cb1882253f3d50f02ae3f72396f574246f
[INFO] running `Command { std: "docker" "start" "-a" "55e673d6c2da3335e05086ce18f3f3cb1882253f3d50f02ae3f72396f574246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e673d6c2da3335e05086ce18f3f3cb1882253f3d50f02ae3f72396f574246f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e673d6c2da3335e05086ce18f3f3cb1882253f3d50f02ae3f72396f574246f", kill_on_drop: false }`
[INFO] [stdout] 55e673d6c2da3335e05086ce18f3f3cb1882253f3d50f02ae3f72396f574246f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88fde1b4748f2c451977009782aa61f6a6ea29c67e2872cabb9c410a0c2ff2b0
[INFO] running `Command { std: "docker" "start" "-a" "88fde1b4748f2c451977009782aa61f6a6ea29c67e2872cabb9c410a0c2ff2b0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking 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: 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]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 -     for pair in ESCAPE_PAIRS.into_iter() {
[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] error: this type will no longer be must used: Result<Verex, Void>
[INFO] [stdout]    --> src/verex/mod.rs:451:49
[INFO] [stdout]     |
[INFO] [stdout] 451 |       fn from_str(s: &str) -> Result<Verex, Void> {
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 452 | |         Ok(Verex::from_str(s))
[INFO] [stdout] 453 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Verex, Void>
[INFO] [stdout]    --> src/verex/mod.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         Ok(Verex::from_str(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `verex` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 61 -     for pair in ESCAPE_PAIRS.into_iter() {
[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] error: this type will no longer be must used: Result<Verex, Void>
[INFO] [stdout]    --> src/verex/mod.rs:451:49
[INFO] [stdout]     |
[INFO] [stdout] 451 |       fn from_str(s: &str) -> Result<Verex, Void> {
[INFO] [stdout]     |  _________________________________________________^
[INFO] [stdout] 452 | |         Ok(Verex::from_str(s))
[INFO] [stdout] 453 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Verex, Void>
[INFO] [stdout]    --> src/verex/mod.rs:452:9
[INFO] [stdout]     |
[INFO] [stdout] 452 |         Ok(Verex::from_str(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `verex` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "88fde1b4748f2c451977009782aa61f6a6ea29c67e2872cabb9c410a0c2ff2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fde1b4748f2c451977009782aa61f6a6ea29c67e2872cabb9c410a0c2ff2b0", kill_on_drop: false }`
[INFO] [stdout] 88fde1b4748f2c451977009782aa61f6a6ea29c67e2872cabb9c410a0c2ff2b0
