[INFO] fetching crate synchronoise 1.0.0...
[INFO] checking synchronoise-1.0.0 against beta for pr-78714
[INFO] extracting crate synchronoise 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate synchronoise 1.0.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate synchronoise 1.0.0
[INFO] finished tweaking crates.io crate synchronoise 1.0.0
[INFO] tweaked toml for crates.io crate synchronoise 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ffbf60821bfc369696c87382ebe0e0a7f1010c331731f64c5b5220cd5fa6132
[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" "0ffbf60821bfc369696c87382ebe0e0a7f1010c331731f64c5b5220cd5fa6132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffbf60821bfc369696c87382ebe0e0a7f1010c331731f64c5b5220cd5fa6132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffbf60821bfc369696c87382ebe0e0a7f1010c331731f64c5b5220cd5fa6132", kill_on_drop: false }`
[INFO] [stdout] 0ffbf60821bfc369696c87382ebe0e0a7f1010c331731f64c5b5220cd5fa6132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c88018509090be0b9827eadde5adcb6647e47843db23d4cecffc151d9df283db
[INFO] running `Command { std: "docker" "start" "-a" "c88018509090be0b9827eadde5adcb6647e47843db23d4cecffc151d9df283db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking synchronoise v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(event.increment());
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout] 17  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/event.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(event.increment());
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:9
[INFO] [stdout]     |
[INFO] [stdout] 17  | #![deny(warnings, missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `synchronoise`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c88018509090be0b9827eadde5adcb6647e47843db23d4cecffc151d9df283db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88018509090be0b9827eadde5adcb6647e47843db23d4cecffc151d9df283db", kill_on_drop: false }`
[INFO] [stdout] c88018509090be0b9827eadde5adcb6647e47843db23d4cecffc151d9df283db