[INFO] updating cached repository Celti/eris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Celti/eris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Celti/eris" "work/ex/beta-1.38-1/sources/1.37.0/gh/Celti/eris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Celti/eris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Celti/eris" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/eris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/eris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e69fd0564e154c2adf4e82cd3c48b2dd8c65d6d9
[INFO] sha for GitHub repo Celti/eris: e69fd0564e154c2adf4e82cd3c48b2dd8c65d6d9
[INFO] validating manifest of Celti/eris 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 Celti/eris 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 Celti/eris
[INFO] finished frobbing Celti/eris
[INFO] frobbed toml for Celti/eris written to work/ex/beta-1.38-1/sources/1.37.0/gh/Celti/eris/Cargo.toml
[INFO] started frobbing Celti/eris
[INFO] finished frobbing Celti/eris
[INFO] frobbed toml for Celti/eris written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/eris/Cargo.toml
[INFO] crate Celti/eris already has a lockfile, it will not be regenerated
[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 Celti/eris 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Celti/eris:/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] aaae8d5195c738b4dffae5504ad0fe97449ae65379a9d0538a2747bf26ee325c
[INFO] running `"docker" "start" "-a" "aaae8d5195c738b4dffae5504ad0fe97449ae65379a9d0538a2747bf26ee325c"`
[INFO] [stderr]    Compiling openssl v0.9.24 (https://github.com/ishitatsuyuki/rust-openssl?branch=0.9.x#3b73dda4)
[INFO] [stderr]    Compiling sysinfo v0.8.0
[INFO] [stderr]    Compiling utf8-cstr v0.1.6
[INFO] [stderr]    Compiling libsystemd-sys v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling sys-info v0.5.6
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling slugify v0.1.0
[INFO] [stderr]    Compiling r2d2 v0.8.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libflate v0.1.19
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling cstr-argument v0.0.2
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling fnorder v1.0.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling systemd v0.4.0
[INFO] [stderr]    Compiling log-panics v2.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling flate2 v1.0.6
[INFO] [stderr]    Compiling zip v0.5.0
[INFO] [stderr]    Compiling ddate v0.4.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling tempfile v3.0.6
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling pretty_env_logger v0.3.0
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.3
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.88
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling dotenv v0.13.0
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling diesel v1.4.1
[INFO] [stderr]    Compiling serenity v0.5.12
[INFO] [stderr]    Compiling eris 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(nll)]
[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(try_blocks)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/modules/dice.rs:256:36
[INFO] [stderr]     |
[INFO] [stderr] 256 |         fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]   --> src/main.rs:26:46
[INFO] [stderr]    |
[INFO] [stderr] 26 |     if std::env::var("RUST_LOG_TARGET").ok().as_deref() == Some("systemd") {
[INFO] [stderr]    |                                              ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]    = help: call with fully qualified syntax `model::OptionDeref::as_deref(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `eris`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "aaae8d5195c738b4dffae5504ad0fe97449ae65379a9d0538a2747bf26ee325c"`
[INFO] running `"docker" "rm" "-f" "aaae8d5195c738b4dffae5504ad0fe97449ae65379a9d0538a2747bf26ee325c"`
[INFO] [stdout] aaae8d5195c738b4dffae5504ad0fe97449ae65379a9d0538a2747bf26ee325c