[INFO] updating cached repository Celti/zero-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Celti/zero-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Celti/zero-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/Celti/zero-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Celti/zero-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Celti/zero-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Celti/zero-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Celti/zero-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bc2d872c008c8c6fea0859179ed86837ff12b868
[INFO] sha for GitHub repo Celti/zero-rs: bc2d872c008c8c6fea0859179ed86837ff12b868
[INFO] validating manifest of Celti/zero-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Celti/zero-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Celti/zero-rs
[INFO] finished frobbing Celti/zero-rs
[INFO] frobbed toml for Celti/zero-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/Celti/zero-rs/Cargo.toml
[INFO] started frobbing Celti/zero-rs
[INFO] finished frobbing Celti/zero-rs
[INFO] frobbed toml for Celti/zero-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Celti/zero-rs/Cargo.toml
[INFO] crate Celti/zero-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Celti/zero-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Celti/zero-rs:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f42355b98dcb40b986490b32e44e8c21d25f33a936a340b63c29d058040187b6
[INFO] running `"docker" "start" "-a" "f42355b98dcb40b986490b32e44e8c21d25f33a936a340b63c29d058040187b6"`
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling magic-sys v0.2.0
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling utf-8 v0.7.4
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling slice-deque v0.1.13
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling log-panics v2.0.0
[INFO] [stderr]    Compiling input_buffer v0.2.0
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling magic v0.12.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling buf_redux v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling mime v0.3.9
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling nickel v0.10.1
[INFO] [stderr]    Compiling tungstenite v0.6.0
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tiny_http v0.6.0
[INFO] [stderr]    Compiling diesel v1.3.3
[INFO] [stderr]    Compiling pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[INFO] [stderr]    Compiling serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.31
[INFO] [stderr]    Compiling tokio-uds v0.2.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-udp v0.1.2
[INFO] [stderr]    Compiling iron v0.6.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling tokio v0.1.11
[INFO] [stderr]    Compiling multipart v0.15.3
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.11
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling warp v0.1.4
[INFO] [stderr]    Compiling zero v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(int_to_from_bytes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(tool_lints)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
[INFO] [stderr]    --> src/model.rs:166:57
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 self.filename = String::from(self.label.trim_left_matches('~'));
[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] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `zero`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f42355b98dcb40b986490b32e44e8c21d25f33a936a340b63c29d058040187b6"`
[INFO] running `"docker" "rm" "-f" "f42355b98dcb40b986490b32e44e8c21d25f33a936a340b63c29d058040187b6"`
[INFO] [stdout] f42355b98dcb40b986490b32e44e8c21d25f33a936a340b63c29d058040187b6