[INFO] fetching crate ff-find 0.24.11...
[INFO] checking ff-find-0.24.11 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate ff-find 0.24.11 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ff-find 0.24.11 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate crates.io crate ff-find 0.24.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0296c01e73a9efb6cee5e62280ae986e9ae49aa79370450c536240a3526404
[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" "ab0296c01e73a9efb6cee5e62280ae986e9ae49aa79370450c536240a3526404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0296c01e73a9efb6cee5e62280ae986e9ae49aa79370450c536240a3526404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0296c01e73a9efb6cee5e62280ae986e9ae49aa79370450c536240a3526404", kill_on_drop: false }`
[INFO] [stdout] ab0296c01e73a9efb6cee5e62280ae986e9ae49aa79370450c536240a3526404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54cf18d55f1863fccf78cb959b4111d7135dd14c539bb274b5a2aec581f5b54
[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" "b54cf18d55f1863fccf78cb959b4111d7135dd14c539bb274b5a2aec581f5b54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking nix v0.15.0
[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 regex v1.3.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling ff-find v0.24.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/exec/nonblock.rs:67:69
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/exec/nonblock.rs:126:69
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/filter/filetype.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |         match symbol.to_ascii_lowercase().as_bytes() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/filter/parser.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/filter/parser.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lscolors/src/lib.rs:294:51
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let filename = path.as_ref().file_name()?.to_ascii_lowercase();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/exec/nonblock.rs:67:69
[INFO] [stdout]    |
[INFO] [stdout] 67 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/exec/nonblock.rs:126:69
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 return Err(io::Error::new(io::ErrorKind::Other, err.description()));
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/filter/filetype.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 |         match symbol.to_ascii_lowercase().as_bytes() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/filter/parser.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 154 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/filter/parser.rs:194:25
[INFO] [stdout]     |
[INFO] [stdout] 194 |             match token.to_ascii_lowercase().as_bytes() {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lscolors/src/lib.rs:294:51
[INFO] [stdout]     |
[INFO] [stdout] 294 |         let filename = path.as_ref().file_name()?.to_ascii_lowercase();
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `foss::FckOsStrSck::to_ascii_lowercase(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[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 -Cembed-bitcode=no -C debuginfo=2 --test -C metadata=004c70016d1d4796 -C extra-filename=-004c70016d1d4796 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-0222f3074c75e092.rmeta --extern ansi_term=/opt/rustwide/target/debug/deps/libansi_term-4180737bb07af6bb.rmeta --extern atty=/opt/rustwide/target/debug/deps/libatty-957124302b1a1f0a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-2e3d1ba45c5f0a7f.rmeta --extern diff=/opt/rustwide/target/debug/deps/libdiff-038a58ebeb61d360.rmeta --extern globset=/opt/rustwide/target/debug/deps/libglobset-a61e39e6c14a0b75.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0cf272d97adbcba7.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-057d1e4bc2673252.rmeta --extern ignore=/opt/rustwide/target/debug/deps/libignore-221f5dfe1e67c964.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0a8922ca1ab2fc25.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-cd87ad53a1cd0469.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-09b4afe3d5e1509d.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-4ef4e9502126bac8.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-13b01f7cffee51ae.rmeta --extern same_file=/opt/rustwide/target/debug/deps/libsame_file-07af72a5543b5e63.rmeta --extern signal_hook=/opt/rustwide/target/debug/deps/libsignal_hook-796cc7db74dc94a3.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-86b3be51e0a84c75.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-1f8d74be382e7cf3.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b54cf18d55f1863fccf78cb959b4111d7135dd14c539bb274b5a2aec581f5b54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54cf18d55f1863fccf78cb959b4111d7135dd14c539bb274b5a2aec581f5b54", kill_on_drop: false }`
[INFO] [stdout] b54cf18d55f1863fccf78cb959b4111d7135dd14c539bb274b5a2aec581f5b54
