[INFO] crate ff-find 0.24.11 is already in cache
[INFO] checking ff-find-0.24.11 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[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 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 87bd61c65322e2f98706df13967f454bc17c8a659bf1e2f8012ac6fecbba191e
[INFO] running `"docker" "start" "-a" "87bd61c65322e2f98706df13967f454bc17c8a659bf1e2f8012ac6fecbba191e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking 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] 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,metadata -C debuginfo=2 --test -C metadata=0483d56c59797d30 -C extra-filename=-0483d56c59797d30 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-9c093fa5284ba5cd.rmeta --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-c34244759f78ed4d.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-ab88d0f193843f16.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-ed5e84348e26f177.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-80ff83df75b4e341.rmeta --extern globset=/opt/rustwide/target/debug/deps/libglobset-0acfb5778566cf5d.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-ada137b49602016b.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-5731c744bc7c66bd.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-a6ab1d3840283672.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b49bb08c33db6fea.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-fe12365dfdad0c9d.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-b2517f766cff5078.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-6c18b5b12dcd89a1.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ba4eae2a8a7fefd0.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5a472e8136a44545.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-3a148dd7650b9c2b.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-26bee3f313e35e71.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-e4f80f469485ff41.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-89dd1bc1296ba153.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "87bd61c65322e2f98706df13967f454bc17c8a659bf1e2f8012ac6fecbba191e"`
[INFO] running `"docker" "rm" "-f" "87bd61c65322e2f98706df13967f454bc17c8a659bf1e2f8012ac6fecbba191e"`
[INFO] [stdout] 87bd61c65322e2f98706df13967f454bc17c8a659bf1e2f8012ac6fecbba191e
