[INFO] fetching crate verex 0.2.2...
[INFO] checking verex-0.2.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate verex 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate verex 0.2.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a6a2816014e048461e3233fac3b702f91dd02305c884eb0cffae583a1bc8f65
[INFO] running `"docker" "start" "-a" "5a6a2816014e048461e3233fac3b702f91dd02305c884eb0cffae583a1bc8f65"`
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking verex v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 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] [stderr]   --> src/verex/mod.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] 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] [stderr]   --> src/verex/mod.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for pair in ESCAPE_PAIRS.into_iter() {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `"docker" "inspect" "5a6a2816014e048461e3233fac3b702f91dd02305c884eb0cffae583a1bc8f65"`
[INFO] running `"docker" "rm" "-f" "5a6a2816014e048461e3233fac3b702f91dd02305c884eb0cffae583a1bc8f65"`
[INFO] [stdout] 5a6a2816014e048461e3233fac3b702f91dd02305c884eb0cffae583a1bc8f65