[INFO] fetching crate glm_color 0.1.2...
[INFO] testing glm_color-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate glm_color 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate glm_color 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glm_color 0.1.2
[INFO] finished tweaking crates.io crate glm_color 0.1.2
[INFO] tweaked toml for crates.io crate glm_color 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b853898daaa1aa244dbd0ef5e4a849ed974ad9e0740c558057969dd08a2abc39
[INFO] running `Command { std: "docker" "start" "-a" "b853898daaa1aa244dbd0ef5e4a849ed974ad9e0740c558057969dd08a2abc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b853898daaa1aa244dbd0ef5e4a849ed974ad9e0740c558057969dd08a2abc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b853898daaa1aa244dbd0ef5e4a849ed974ad9e0740c558057969dd08a2abc39", kill_on_drop: false }`
[INFO] [stdout] b853898daaa1aa244dbd0ef5e4a849ed974ad9e0740c558057969dd08a2abc39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 041925d6bc9a5973274c7b36e271f747547f764d8549eaa8234e3a00b38a65d0
[INFO] running `Command { std: "docker" "start" "-a" "041925d6bc9a5973274c7b36e271f747547f764d8549eaa8234e3a00b38a65d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling glm v0.2.3
[INFO] [stderr]    Compiling glm_color v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]   --> src/rgb.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | use rand::{ Rand, Rng, thread_rng };
[INFO] [stdout]    |             ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]   --> src/hsv.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use rand::{ Rand, Rng, thread_rng };
[INFO] [stdout]    |             ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]   --> src/ycbcr.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | use rand::{ Rand, Rng };
[INFO] [stdout]    |             ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand::Rand`
[INFO] [stdout]   --> src/srgb.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | use rand::{ Rand, Rng };
[INFO] [stdout]    |             ^^^^ no `Rand` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `glm_color`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "041925d6bc9a5973274c7b36e271f747547f764d8549eaa8234e3a00b38a65d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041925d6bc9a5973274c7b36e271f747547f764d8549eaa8234e3a00b38a65d0", kill_on_drop: false }`
[INFO] [stdout] 041925d6bc9a5973274c7b36e271f747547f764d8549eaa8234e3a00b38a65d0