[INFO] fetching crate deep_filter 0.1.6...
[INFO] testing deep_filter-0.1.6 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate deep_filter 0.1.6 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate deep_filter 0.1.6 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate deep_filter 0.1.6
[INFO] finished tweaking crates.io crate deep_filter 0.1.6
[INFO] tweaked toml for crates.io crate deep_filter 0.1.6 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustfft v6.0.1
[INFO] [stderr]   Downloaded ogg v0.8.0
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded hdf5-sys v0.8.0
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded hdf5-derive v0.8.0
[INFO] [stderr]   Downloaded hdf5-types v0.8.0
[INFO] [stderr]   Downloaded hdf5 v0.8.0
[INFO] [stderr]   Downloaded realfft v2.0.1
[INFO] [stderr]   Downloaded ascii v1.0.0
[INFO] [stderr]   Downloaded lewton v0.10.2
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded strength_reduce v0.2.3
[INFO] [stderr]   Downloaded transpose v0.2.1
[INFO] [stderr]   Downloaded rubato v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a786b68107774752e24bf647628c67c9bc81eda656d812d8fee94696de95f22
[INFO] running `Command { std: "docker" "start" "-a" "4a786b68107774752e24bf647628c67c9bc81eda656d812d8fee94696de95f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a786b68107774752e24bf647628c67c9bc81eda656d812d8fee94696de95f22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a786b68107774752e24bf647628c67c9bc81eda656d812d8fee94696de95f22", kill_on_drop: false }`
[INFO] [stdout] 4a786b68107774752e24bf647628c67c9bc81eda656d812d8fee94696de95f22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cefbfb8b6fd564932e118f65b6d85641b4bc81c05cd9a4a8f4e84debf54be018
[INFO] running `Command { std: "docker" "start" "-a" "cefbfb8b6fd564932e118f65b6d85641b4bc81c05cd9a4a8f4e84debf54be018", kill_on_drop: false }`
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling transpose v0.2.1
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling realfft v2.0.1
[INFO] [stderr]    Compiling deep_filter v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "cefbfb8b6fd564932e118f65b6d85641b4bc81c05cd9a4a8f4e84debf54be018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefbfb8b6fd564932e118f65b6d85641b4bc81c05cd9a4a8f4e84debf54be018", kill_on_drop: false }`
[INFO] [stdout] cefbfb8b6fd564932e118f65b6d85641b4bc81c05cd9a4a8f4e84debf54be018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e0f56b7cf4eabaf5e144e4ea36f004551945ef1cfb6ab7b9b64d02fe13c836d
[INFO] running `Command { std: "docker" "start" "-a" "0e0f56b7cf4eabaf5e144e4ea36f004551945ef1cfb6ab7b9b64d02fe13c836d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling deep_filter v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |     use rand::distributions::{Distribution, Uniform};
[INFO] [stdout]     |         ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Uniform`
[INFO] [stdout]    --> src/lib.rs:364:17
[INFO] [stdout]     |
[INFO] [stdout] 364 |         let d = Uniform::new(-1., 1.);
[INFO] [stdout]     |                 ^^^^^^^ use of undeclared type `Uniform`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]    --> src/lib.rs:366:23
[INFO] [stdout]     |
[INFO] [stdout] 366 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                       ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `deep_filter` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e0f56b7cf4eabaf5e144e4ea36f004551945ef1cfb6ab7b9b64d02fe13c836d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0f56b7cf4eabaf5e144e4ea36f004551945ef1cfb6ab7b9b64d02fe13c836d", kill_on_drop: false }`
[INFO] [stdout] 0e0f56b7cf4eabaf5e144e4ea36f004551945ef1cfb6ab7b9b64d02fe13c836d