[INFO] updating cached repository https://github.com/rustbridge/rustbridge-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] 068dba4d73550f31899972761415670bc0c1f34a
[INFO] testing rustbridge/rustbridge-cli against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustbridge%2Frustbridge-cli" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustbridge/rustbridge-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/rustbridge/rustbridge-cli
[INFO] finished tweaking git repo https://github.com/rustbridge/rustbridge-cli
[INFO] tweaked toml for git repo https://github.com/rustbridge/rustbridge-cli written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rustbridge/rustbridge-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 4de0fe16da29fc68edfe7e682b674aaae0681bea2ff013af784b0c84beb7dc1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4de0fe16da29fc68edfe7e682b674aaae0681bea2ff013af784b0c84beb7dc1f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling pq-sys v0.4.4
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling serde v1.0.34
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling rayon v0.9.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling diesel_derives v1.1.0
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]    Compiling diesel v1.1.1
[INFO] [stderr]    Compiling structopt v0.2.5
[INFO] [stderr]    Compiling env_logger v0.5.6
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling quicli v0.2.0
[INFO] [stderr]    Compiling rustbridge-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0557]: feature has been removed
[INFO] [stderr]  --> src/main.rs:1:32
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin, decl_macro, custom_derive)]
[INFO] [stderr]   |                                ^^^^^^^^^^^^^ feature has been removed
[INFO] [stderr]   |
[INFO] [stderr]   = note: subsumed by `#[proc_macro_derive]`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(plugin, decl_macro, custom_derive)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0557.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rustbridge-cli`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4de0fe16da29fc68edfe7e682b674aaae0681bea2ff013af784b0c84beb7dc1f"`
[INFO] running `"docker" "rm" "-f" "4de0fe16da29fc68edfe7e682b674aaae0681bea2ff013af784b0c84beb7dc1f"`
[INFO] [stdout] 4de0fe16da29fc68edfe7e682b674aaae0681bea2ff013af784b0c84beb7dc1f