[INFO] crate drone-cortex-m-svd 0.7.0 is already in cache
[INFO] extracting crate drone-cortex-m-svd 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/drone-cortex-m-svd/0.7.0
[INFO] extracting crate drone-cortex-m-svd 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/drone-cortex-m-svd/0.7.0
[INFO] validating manifest of drone-cortex-m-svd-0.7.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of drone-cortex-m-svd-0.7.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing drone-cortex-m-svd-0.7.0
[INFO] finished frobbing drone-cortex-m-svd-0.7.0
[INFO] frobbed toml for drone-cortex-m-svd-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/drone-cortex-m-svd/0.7.0/Cargo.toml
[INFO] started frobbing drone-cortex-m-svd-0.7.0
[INFO] finished frobbing drone-cortex-m-svd-0.7.0
[INFO] frobbed toml for drone-cortex-m-svd-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/drone-cortex-m-svd/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing drone-cortex-m-svd-0.7.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/drone-cortex-m-svd/0.7.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c16d1f3c1afdc892a87bb3bdd07986b34617115528c533a39084502a693262dd
[INFO] running `"docker" "start" "-a" "c16d1f3c1afdc892a87bb3bdd07986b34617115528c533a39084502a693262dd"`
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]    Compiling drone-cortex-m-svd v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(range_contains)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/device.rs:274:6
[INFO] [stderr]     |
[INFO] [stderr] 274 |   Ok((map))
[INFO] [stderr]     |      ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/device.rs:203:30
[INFO] [stderr]     |
[INFO] [stderr] 203 |         if BIT_BAND.contains(address) {
[INFO] [stderr]     |                              ^^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              expected &u32, found u32
[INFO] [stderr]     |                              help: consider borrowing here: `&address`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&u32`
[INFO] [stderr]                found type `u32`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/device.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |   let s = s.trim_left_matches("0x").trim_left_matches("0X");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'failure::core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/device.rs:282:37
[INFO] [stderr]     |
[INFO] [stderr] 282 |   let s = s.trim_left_matches("0x").trim_left_matches("0X");
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `drone-cortex-m-svd`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c16d1f3c1afdc892a87bb3bdd07986b34617115528c533a39084502a693262dd"`
[INFO] running `"docker" "rm" "-f" "c16d1f3c1afdc892a87bb3bdd07986b34617115528c533a39084502a693262dd"`
[INFO] [stdout] c16d1f3c1afdc892a87bb3bdd07986b34617115528c533a39084502a693262dd