[INFO] fetching crate rain 1.0.1...
[INFO] testing rain-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rain 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rain 1.0.1 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 rain 1.0.1
[INFO] finished tweaking crates.io crate rain 1.0.1
[INFO] tweaked toml for crates.io crate rain 1.0.1 written to /workspace/builds/worker-7/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] 1d3d687c22c993d7c89a6bf4737baa29cdd974c923819bca01a1adce7db657b5
[INFO] running `Command { std: "docker" "start" "-a" "1d3d687c22c993d7c89a6bf4737baa29cdd974c923819bca01a1adce7db657b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3d687c22c993d7c89a6bf4737baa29cdd974c923819bca01a1adce7db657b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3d687c22c993d7c89a6bf4737baa29cdd974c923819bca01a1adce7db657b5", kill_on_drop: false }`
[INFO] [stdout] 1d3d687c22c993d7c89a6bf4737baa29cdd974c923819bca01a1adce7db657b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65bae8472b6cdaca4c50e6a245b5fa57dd1a9bd713ecc8f35ad20f47f49863d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "65bae8472b6cdaca4c50e6a245b5fa57dd1a9bd713ecc8f35ad20f47f49863d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling mowl v2.1.0
[INFO] [stderr]    Compiling rain v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "65bae8472b6cdaca4c50e6a245b5fa57dd1a9bd713ecc8f35ad20f47f49863d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65bae8472b6cdaca4c50e6a245b5fa57dd1a9bd713ecc8f35ad20f47f49863d3", kill_on_drop: false }`
[INFO] [stdout] 65bae8472b6cdaca4c50e6a245b5fa57dd1a9bd713ecc8f35ad20f47f49863d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3af74a02e21dc0cc60e93dd5713d730acb3b8af66bcc398a0833dabbe13e59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a3af74a02e21dc0cc60e93dd5713d730acb3b8af66bcc398a0833dabbe13e59", kill_on_drop: false }`
[INFO] [stderr]    Compiling rain v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stdout]  --> examples/demo.rs:2:41
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Range};
[INFO] [stdout]   |                                         ^^^^^ no `Range` in `distributions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> examples/demo.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::distributions::{Distribution, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rain`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `rand::distributions::Range`
[INFO] [stdout]  --> tests/lib.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Range};
[INFO] [stdout]   |                                         ^^^^^ no `Range` in `distributions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Distribution`
[INFO] [stdout]  --> tests/lib.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::distributions::{Distribution, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7a3af74a02e21dc0cc60e93dd5713d730acb3b8af66bcc398a0833dabbe13e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3af74a02e21dc0cc60e93dd5713d730acb3b8af66bcc398a0833dabbe13e59", kill_on_drop: false }`
[INFO] [stdout] 7a3af74a02e21dc0cc60e93dd5713d730acb3b8af66bcc398a0833dabbe13e59