[INFO] fetching crate ff-find 0.24.11...
[INFO] checking ff-find-0.24.11 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate ff-find 0.24.11 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ff-find 0.24.11 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded ignore v0.4.10
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bd850d09e021df2801486d5461a2e242c2b614a4be11d487da4a632a06af4e4
[INFO] running `Command { std: "docker" "start" "-a" "9bd850d09e021df2801486d5461a2e242c2b614a4be11d487da4a632a06af4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bd850d09e021df2801486d5461a2e242c2b614a4be11d487da4a632a06af4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd850d09e021df2801486d5461a2e242c2b614a4be11d487da4a632a06af4e4", kill_on_drop: false }`
[INFO] [stdout] 9bd850d09e021df2801486d5461a2e242c2b614a4be11d487da4a632a06af4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d93a2939c2f34a21683c86ea64e3b03d58be5ce8350be5d7d2f8201d2fe860
[INFO] running `Command { std: "docker" "start" "-a" "74d93a2939c2f34a21683c86ea64e3b03d58be5ce8350be5d7d2f8201d2fe860", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking atty v0.2.13
[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 clap v2.33.0
[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] [stdout] warning: use of deprecated associated function `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 associated function `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: use of deprecated associated function `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 associated function `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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.58s
[INFO] running `Command { std: "docker" "inspect" "74d93a2939c2f34a21683c86ea64e3b03d58be5ce8350be5d7d2f8201d2fe860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d93a2939c2f34a21683c86ea64e3b03d58be5ce8350be5d7d2f8201d2fe860", kill_on_drop: false }`
[INFO] [stdout] 74d93a2939c2f34a21683c86ea64e3b03d58be5ce8350be5d7d2f8201d2fe860