[INFO] fetching crate faker 0.0.4...
[INFO] testing faker-0.0.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate faker 0.0.4 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate faker 0.0.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate faker 0.0.4
[INFO] finished tweaking crates.io crate faker 0.0.4
[INFO] tweaked toml for crates.io crate faker 0.0.4 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b918ff08e47ec53a17e32b4507e97894a7b441390fd41a650f133004771034b9
[INFO] running `Command { std: "docker" "start" "-a" "b918ff08e47ec53a17e32b4507e97894a7b441390fd41a650f133004771034b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b918ff08e47ec53a17e32b4507e97894a7b441390fd41a650f133004771034b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b918ff08e47ec53a17e32b4507e97894a7b441390fd41a650f133004771034b9", kill_on_drop: false }`
[INFO] [stdout] b918ff08e47ec53a17e32b4507e97894a7b441390fd41a650f133004771034b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d8cac32fd4e7736112136d78783b1ca7c23d4f75b8787e6f6c431d528d55bf5
[INFO] running `Command { std: "docker" "start" "-a" "1d8cac32fd4e7736112136d78783b1ca7c23d4f75b8787e6f6c431d528d55bf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling faker v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]  --> src/helpers.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{thread_rng, Rng, Rand};
[INFO] [stdout]   |                             ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::distributions::range`
[INFO] [stdout]  --> src/helpers.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::range::SampleRange;
[INFO] [stdout]   |                          ^^^^^ could not find `range` in `distributions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `faker` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1d8cac32fd4e7736112136d78783b1ca7c23d4f75b8787e6f6c431d528d55bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8cac32fd4e7736112136d78783b1ca7c23d4f75b8787e6f6c431d528d55bf5", kill_on_drop: false }`
[INFO] [stdout] 1d8cac32fd4e7736112136d78783b1ca7c23d4f75b8787e6f6c431d528d55bf5
