[INFO] crate dbcc 2.0.0-alpha.9 is already in cache
[INFO] extracting crate dbcc 2.0.0-alpha.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/dbcc/2.0.0-alpha.9
[INFO] extracting crate dbcc 2.0.0-alpha.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dbcc/2.0.0-alpha.9
[INFO] validating manifest of dbcc-2.0.0-alpha.9 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 dbcc-2.0.0-alpha.9 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 dbcc-2.0.0-alpha.9
[INFO] finished frobbing dbcc-2.0.0-alpha.9
[INFO] frobbed toml for dbcc-2.0.0-alpha.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/dbcc/2.0.0-alpha.9/Cargo.toml
[INFO] started frobbing dbcc-2.0.0-alpha.9
[INFO] finished frobbing dbcc-2.0.0-alpha.9
[INFO] frobbed toml for dbcc-2.0.0-alpha.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/dbcc/2.0.0-alpha.9/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 dbcc-2.0.0-alpha.9 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-6/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/dbcc/2.0.0-alpha.9:/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] 81bbaf9f37a21677d0f3102e1013f243b504932002e6961f478fdefdb76772b7
[INFO] running `"docker" "start" "-a" "81bbaf9f37a21677d0f3102e1013f243b504932002e6961f478fdefdb76772b7"`
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling codegen v0.1.1
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling derive-getters v0.0.7
[INFO] [stderr]    Compiling can-dbc v2.2.0
[INFO] [stderr]    Compiling socketcan v1.7.0
[INFO] [stderr]    Compiling dbcc v2.0.0-alpha.9 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Blake2b`
[INFO] [stderr]  --> src/lib.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use blake2::{Blake2b, Digest};
[INFO] [stderr]   |              ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:434:10
[INFO] [stderr]     |
[INFO] [stderr] 434 |         0...SFF_MASK => format!(
[INFO] [stderr]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/lib.rs:438:17
[INFO] [stderr]     |
[INFO] [stderr] 438 |         SFF_MASK...EFF_MASK => format!(
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]  --> src/lib.rs:5:23
[INFO] [stderr]   |
[INFO] [stderr] 5 | use blake2::{Blake2b, Digest};
[INFO] [stderr]   |                       ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `dbcc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "81bbaf9f37a21677d0f3102e1013f243b504932002e6961f478fdefdb76772b7"`
[INFO] running `"docker" "rm" "-f" "81bbaf9f37a21677d0f3102e1013f243b504932002e6961f478fdefdb76772b7"`
[INFO] [stdout] 81bbaf9f37a21677d0f3102e1013f243b504932002e6961f478fdefdb76772b7