[INFO] fetching crate timely 0.11.1...
[INFO] checking timely-0.11.1 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate timely 0.11.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate timely 0.11.1 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timely 0.11.1
[INFO] finished tweaking crates.io crate timely 0.11.1
[INFO] tweaked toml for crates.io crate timely 0.11.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate timely 0.11.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f793c4775687a371a47da344b3873235734a10f2fb7c7563c65a60ecebc666e
[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" "9f793c4775687a371a47da344b3873235734a10f2fb7c7563c65a60ecebc666e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f793c4775687a371a47da344b3873235734a10f2fb7c7563c65a60ecebc666e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f793c4775687a371a47da344b3873235734a10f2fb7c7563c65a60ecebc666e", kill_on_drop: false }`
[INFO] [stdout] 9f793c4775687a371a47da344b3873235734a10f2fb7c7563c65a60ecebc666e
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5d92a0a98d2adaf82b71b1a23672885771ef83d890f887e81df784a0c181808
[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" "f5d92a0a98d2adaf82b71b1a23672885771ef83d890f887e81df784a0c181808", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking timely_bytes v0.11.0
[INFO] [stderr]     Checking timely_logging v0.11.1
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking timely_sort v0.1.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking timely_communication v0.11.1
[INFO] [stderr]     Checking timely v0.11.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `next_t` is never read
[INFO] [stdout]   --> examples/flow_controlled.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |                         next_t = first_x / 100 * 100;
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.59s
[INFO] running `Command { std: "docker" "inspect" "f5d92a0a98d2adaf82b71b1a23672885771ef83d890f887e81df784a0c181808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d92a0a98d2adaf82b71b1a23672885771ef83d890f887e81df784a0c181808", kill_on_drop: false }`
[INFO] [stdout] f5d92a0a98d2adaf82b71b1a23672885771ef83d890f887e81df784a0c181808