[INFO] cloning repository https://github.com/chpatton013/ccdb_watch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chpatton013/ccdb_watch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchpatton013%2Fccdb_watch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchpatton013%2Fccdb_watch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 515537456a908a71d50e824f19a1ebf9190539e1
[INFO] checking chpatton013/ccdb_watch against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchpatton013%2Fccdb_watch" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chpatton013/ccdb_watch on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chpatton013/ccdb_watch
[INFO] finished tweaking git repo https://github.com/chpatton013/ccdb_watch
[INFO] tweaked toml for git repo https://github.com/chpatton013/ccdb_watch written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/chpatton013/ccdb_watch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dcbca0e3949ec3c92072db1e186a5c1e3955040c3315a767c2719c99b01f5a6c
[INFO] running `Command { std: "docker" "start" "-a" "dcbca0e3949ec3c92072db1e186a5c1e3955040c3315a767c2719c99b01f5a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcbca0e3949ec3c92072db1e186a5c1e3955040c3315a767c2719c99b01f5a6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcbca0e3949ec3c92072db1e186a5c1e3955040c3315a767c2719c99b01f5a6c", kill_on_drop: false }`
[INFO] [stdout] dcbca0e3949ec3c92072db1e186a5c1e3955040c3315a767c2719c99b01f5a6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51d94cee3ba283a14cbbec5a5b6ac2a33beb1ff7e38a884586c612de4adae4a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51d94cee3ba283a14cbbec5a5b6ac2a33beb1ff7e38a884586c612de4adae4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.11
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling ccdb_watch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fswatch-sys v0.1.10
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]     Checking fswatch v0.1.10
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stdout] error[E0635]: unknown feature `unique`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/fswatch-0.1.10/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(unique)]
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fswatch`
[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 `Command { std: "docker" "inspect" "51d94cee3ba283a14cbbec5a5b6ac2a33beb1ff7e38a884586c612de4adae4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d94cee3ba283a14cbbec5a5b6ac2a33beb1ff7e38a884586c612de4adae4a4", kill_on_drop: false }`
[INFO] [stdout] 51d94cee3ba283a14cbbec5a5b6ac2a33beb1ff7e38a884586c612de4adae4a4