[INFO] fetching crate deep_filter 0.1.6...
[INFO] testing deep_filter-0.1.6 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate deep_filter 0.1.6 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate deep_filter 0.1.6 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91e3bff8c24db9571c0467d7e92ecfcbd17b5c7b1fb742be30ef88d3000d9cee
[INFO] running `Command { std: "docker" "start" "-a" "91e3bff8c24db9571c0467d7e92ecfcbd17b5c7b1fb742be30ef88d3000d9cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91e3bff8c24db9571c0467d7e92ecfcbd17b5c7b1fb742be30ef88d3000d9cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e3bff8c24db9571c0467d7e92ecfcbd17b5c7b1fb742be30ef88d3000d9cee", kill_on_drop: false }`
[INFO] [stdout] 91e3bff8c24db9571c0467d7e92ecfcbd17b5c7b1fb742be30ef88d3000d9cee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f1efbbc7ff62d4fbfbafaeca7a56c021851dbcb62b0e844313353d92e92c9ab
[INFO] running `Command { std: "docker" "start" "-a" "3f1efbbc7ff62d4fbfbafaeca7a56c021851dbcb62b0e844313353d92e92c9ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[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 19.21s
[INFO] running `Command { std: "docker" "inspect" "3f1efbbc7ff62d4fbfbafaeca7a56c021851dbcb62b0e844313353d92e92c9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1efbbc7ff62d4fbfbafaeca7a56c021851dbcb62b0e844313353d92e92c9ab", kill_on_drop: false }`
[INFO] [stdout] 3f1efbbc7ff62d4fbfbafaeca7a56c021851dbcb62b0e844313353d92e92c9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d3f8166486067585caa8a9ae0a489a03701e06b766f915f12bbe780266cd74
[INFO] running `Command { std: "docker" "start" "-a" "c2d3f8166486067585caa8a9ae0a489a03701e06b766f915f12bbe780266cd74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "c2d3f8166486067585caa8a9ae0a489a03701e06b766f915f12bbe780266cd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d3f8166486067585caa8a9ae0a489a03701e06b766f915f12bbe780266cd74", kill_on_drop: false }`
[INFO] [stdout] c2d3f8166486067585caa8a9ae0a489a03701e06b766f915f12bbe780266cd74