[INFO] updating cached repository https://github.com/ldev-r3-t4/analytics
[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] 7914b6b9f4312cb82c5f7bcfa2fc2c3f3e7a8ec9
[INFO] testing ldev-r3-t4/analytics against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldev-r3-t4%2Fanalytics" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ldev-r3-t4/analytics 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/ldev-r3-t4/analytics
[INFO] finished tweaking git repo https://github.com/ldev-r3-t4/analytics
[INFO] tweaked toml for git repo https://github.com/ldev-r3-t4/analytics written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ldev-r3-t4/analytics 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 29fbcdba5b3427da672ffbda1ae4cf931a664f91e3300f9ec8debb8251c57f2a
[INFO] running `"docker" "start" "-a" "29fbcdba5b3427da672ffbda1ae4cf931a664f91e3300f9ec8debb8251c57f2a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling openssl v0.9.11
[INFO] [stderr]    Compiling state v0.2.1
[INFO] [stderr]    Compiling rocket v0.2.6
[INFO] [stderr]    Compiling term-painter v0.2.3
[INFO] [stderr]    Compiling rocket_codegen v0.2.6
[INFO] [stderr]    Compiling idna v0.1.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling libflate v0.1.5
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/state-0.2.1/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(const_fn)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libflate-0.1.5/src/gzip.rs:452:66
[INFO] [stderr]     |
[INFO] [stderr] 452 |         try!(writer.write_u16::<LittleEndian>(self.data.len() as u16()));
[INFO] [stderr]     |                                                                  ^^^^^ only `Fn` traits may use parentheses
[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 `state`.
[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: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0214`.
[INFO] [stderr] error: could not compile `libflate`.
[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: build failed
[INFO] running `"docker" "inspect" "29fbcdba5b3427da672ffbda1ae4cf931a664f91e3300f9ec8debb8251c57f2a"`
[INFO] running `"docker" "rm" "-f" "29fbcdba5b3427da672ffbda1ae4cf931a664f91e3300f9ec8debb8251c57f2a"`
[INFO] [stdout] 29fbcdba5b3427da672ffbda1ae4cf931a664f91e3300f9ec8debb8251c57f2a