[INFO] updating cached repository https://github.com/kegesch/gitmoji-cli
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9b35eba349452820b51ae75cb6785be552d2187
[INFO] testing kegesch/gitmoji-cli against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkegesch%2Fgitmoji-cli" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kegesch/gitmoji-cli on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kegesch/gitmoji-cli
[INFO] finished tweaking git repo https://github.com/kegesch/gitmoji-cli
[INFO] tweaked toml for git repo https://github.com/kegesch/gitmoji-cli written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kegesch/gitmoji-cli already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f074432197242365e4ee9747d99099908ca15eb1aaf577331c7a4f98fc66646c
[INFO] running `"docker" "start" "-a" "f074432197242365e4ee9747d99099908ca15eb1aaf577331c7a4f98fc66646c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling strum v0.8.0
[INFO] [stderr]    Compiling directories v0.10.0
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling json v0.12.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling spinner v0.5.0
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling confy v0.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling dialoguer v0.5.0 (https://github.com/kegesch/dialoguer?branch=autocomplete#5a5e7ba2)
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]    Compiling spinners v1.2.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling hyper v0.13.2
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling enquirer v0.3.0
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.2
[INFO] [stderr]    Compiling gitmoji v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | #![feature(with_options)]
[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 `gitmoji`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f074432197242365e4ee9747d99099908ca15eb1aaf577331c7a4f98fc66646c"`
[INFO] running `"docker" "rm" "-f" "f074432197242365e4ee9747d99099908ca15eb1aaf577331c7a4f98fc66646c"`
[INFO] [stdout] f074432197242365e4ee9747d99099908ca15eb1aaf577331c7a4f98fc66646c