[INFO] crate ff-find 0.24.11 is already in cache
[INFO] testing ff-find-0.24.11 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ff-find 0.24.11 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ff-find 0.24.11 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ff-find 0.24.11
[INFO] finished tweaking crates.io crate ff-find 0.24.11
[INFO] tweaked toml for crates.io crate ff-find 0.24.11 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ff-find 0.24.11 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81f2c4f08d20be2e2d3f6cf23fb5cbd5030d55ddb881fade62fbb06ffa2080d2
[INFO] running `"docker" "start" "-a" "81f2c4f08d20be2e2d3f6cf23fb5cbd5030d55ddb881fade62fbb06ffa2080d2"`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling signal-hook v0.1.10
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling ignore v0.4.10
[INFO] [stderr]    Compiling ff-find v0.24.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec/nonblock.rs:67:69
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/exec/nonblock.rs:126:69
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/filter/filetype.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |         match symbol.to_ascii_lowercase().as_bytes() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/filter/parser.rs:154:25
[INFO] [stderr]     |
[INFO] [stderr] 154 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/filter/parser.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lscolors/src/lib.rs:294:51
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let filename = path.as_ref().file_name()?.to_ascii_lowercase();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.43s
[INFO] running `"docker" "inspect" "81f2c4f08d20be2e2d3f6cf23fb5cbd5030d55ddb881fade62fbb06ffa2080d2"`
[INFO] running `"docker" "rm" "-f" "81f2c4f08d20be2e2d3f6cf23fb5cbd5030d55ddb881fade62fbb06ffa2080d2"`
[INFO] [stdout] 81f2c4f08d20be2e2d3f6cf23fb5cbd5030d55ddb881fade62fbb06ffa2080d2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca856dff895bb68f71018388b9f1f78e5bae0fc27af854c0792ace895a907397
[INFO] running `"docker" "start" "-a" "ca856dff895bb68f71018388b9f1f78e5bae0fc27af854c0792ace895a907397"`
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling ff-find v0.24.11 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/exec/nonblock.rs:67:69
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/exec/nonblock.rs:126:69
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stderr]     |                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/filter/filetype.rs:14:22
[INFO] [stderr]    |
[INFO] [stderr] 14 |         match symbol.to_ascii_lowercase().as_bytes() {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]    = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/filter/parser.rs:154:25
[INFO] [stderr]     |
[INFO] [stderr] 154 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/filter/parser.rs:194:25
[INFO] [stderr]     |
[INFO] [stderr] 194 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/lscolors/src/lib.rs:294:51
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let filename = path.as_ref().file_name()?.to_ascii_lowercase();
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stderr]     = help: add `#![feature(osstring_ascii)]` to the crate attributes to enable `std::ffi::OsStr::to_ascii_lowercase`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `ff-find`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ff src/main.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C debuginfo=2 --test -C metadata=50ab07683f172646 -C extra-filename=-50ab07683f172646 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-3f70034258b50b9e.rlib --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-e99980f2ad623597.rlib --extern atty=/opt/rustwide/target/debug/deps/libatty-b592bedd6f1bc8ad.rlib --extern clap=/opt/rustwide/target/debug/deps/libclap-db0dfdc8b0d76f0e.rlib --extern diff=/opt/rustwide/target/debug/deps/libdiff-a6cce565f83aeb1b.rlib --extern globset=/opt/rustwide/target/debug/deps/libglobset-22a9f98bad8bb303.rlib --extern fnv=/opt/rustwide/target/debug/deps/libfnv-5eb3a865ee06cdd3.rlib --extern glob=/opt/rustwide/target/debug/deps/libglob-ee93899398f95bce.rlib --extern ignore=/opt/rustwide/target/debug/deps/libignore-a49e2f31f1dbafa6.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-81e71b56f2a8a8f3.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-dd0cc9f7ce37032a.rlib --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-4e94a8a5927748db.rlib --extern nix=/opt/rustwide/target/debug/deps/libnix-ab5592c805118d5a.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-e42f281db04f9dc8.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-2342ad933c6ad3ca.rlib --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-16194a59b4bcd3b0.rlib --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-3c275335532b4b74.rlib --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-5450de7a9a0ff573.rlib --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-732942a851cc5cff.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "ca856dff895bb68f71018388b9f1f78e5bae0fc27af854c0792ace895a907397"`
[INFO] running `"docker" "rm" "-f" "ca856dff895bb68f71018388b9f1f78e5bae0fc27af854c0792ace895a907397"`
[INFO] [stdout] ca856dff895bb68f71018388b9f1f78e5bae0fc27af854c0792ace895a907397