[INFO] updating cached repository https://github.com/jkcclemens/travis_ssh_deploy
[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] 35c5b65e1f3e42a4ab529ff0baa052a697ff0bb6
[INFO] testing jkcclemens/travis_ssh_deploy against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Ftravis_ssh_deploy" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/travis_ssh_deploy 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/jkcclemens/travis_ssh_deploy
[INFO] finished tweaking git repo https://github.com/jkcclemens/travis_ssh_deploy
[INFO] tweaked toml for git repo https://github.com/jkcclemens/travis_ssh_deploy written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/travis_ssh_deploy 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a5e851ef0aa48f0d23139c2e3a48f6c2aedc288ec2ee61e729a04b89511e5273
[INFO] running `"docker" "start" "-a" "a5e851ef0aa48f0d23139c2e3a48f6c2aedc288ec2ee61e729a04b89511e5273"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.0
[INFO] [stderr]    Compiling serde v1.0.34
[INFO] [stderr]    Compiling integer-encoding v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling yaml-rust v0.4.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde_derive_internals v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.34
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling travis_ssh_deploy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/send.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(termination_trait, process_exitcode_placeholder)]
[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 `travis_ssh_deploy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/bin/receive.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(termination_trait, process_exitcode_placeholder)]
[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 `travis_ssh_deploy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a5e851ef0aa48f0d23139c2e3a48f6c2aedc288ec2ee61e729a04b89511e5273"`
[INFO] running `"docker" "rm" "-f" "a5e851ef0aa48f0d23139c2e3a48f6c2aedc288ec2ee61e729a04b89511e5273"`
[INFO] [stdout] a5e851ef0aa48f0d23139c2e3a48f6c2aedc288ec2ee61e729a04b89511e5273