[INFO] crate timely 0.11.1 is already in cache
[INFO] testing timely-0.11.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate timely 0.11.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate timely 0.11.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-13/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3718c4eeae0a2080e4aef5e9214e010b42813f3a4a6807ae3870c5666b787dd
[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" "e3718c4eeae0a2080e4aef5e9214e010b42813f3a4a6807ae3870c5666b787dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3718c4eeae0a2080e4aef5e9214e010b42813f3a4a6807ae3870c5666b787dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3718c4eeae0a2080e4aef5e9214e010b42813f3a4a6807ae3870c5666b787dd", kill_on_drop: false }`
[INFO] [stdout] e3718c4eeae0a2080e4aef5e9214e010b42813f3a4a6807ae3870c5666b787dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] 6ebe40b6ea97e196f3a3af0bec602661f76c18a0cc2dc8f38f5d2c9b8f4ea852
[INFO] running `Command { std: "docker" "start" "-a" "6ebe40b6ea97e196f3a3af0bec602661f76c18a0cc2dc8f38f5d2c9b8f4ea852", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling timely_logging v0.11.1
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_bytes v0.11.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.2
[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]    Compiling timely_communication v0.11.1
[INFO] [stderr]    Compiling timely v0.11.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.34s
[INFO] running `Command { std: "docker" "inspect" "6ebe40b6ea97e196f3a3af0bec602661f76c18a0cc2dc8f38f5d2c9b8f4ea852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ebe40b6ea97e196f3a3af0bec602661f76c18a0cc2dc8f38f5d2c9b8f4ea852", kill_on_drop: false }`
[INFO] [stdout] 6ebe40b6ea97e196f3a3af0bec602661f76c18a0cc2dc8f38f5d2c9b8f4ea852
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2a4f7769b0222762ac96854d83947b4a907d8349a133e838f6108bf5e5d7d6e
[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" "a2a4f7769b0222762ac96854d83947b4a907d8349a133e838f6108bf5e5d7d6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling 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] [stderr] error: could not compile `timely`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rc --edition=2018 examples/rc.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -Cembed-bitcode=no -C debuginfo=2 -C metadata=520823d049df6bec -C extra-filename=-520823d049df6bec --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern abomonation=/opt/rustwide/target/debug/deps/libabomonation-031eb42ade1d8e91.rlib --extern abomonation_derive=/opt/rustwide/target/debug/deps/libabomonation_derive-122e5099d7bfa142.so --extern rand=/opt/rustwide/target/debug/deps/librand-7347582d3aaa583b.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-bbf669faf7a67485.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a8efd98c355f8384.so --extern timely=/opt/rustwide/target/debug/deps/libtimely-d6999897f0b95a4f.rlib --extern timely_bytes=/opt/rustwide/target/debug/deps/libtimely_bytes-734cad1d97dec07f.rlib --extern timely_communication=/opt/rustwide/target/debug/deps/libtimely_communication-bedaccf50ec8819f.rlib --extern timely_logging=/opt/rustwide/target/debug/deps/libtimely_logging-333bfb1b3fecc2f0.rlib --extern timely_sort=/opt/rustwide/target/debug/deps/libtimely_sort-6041cb8b74686141.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a2a4f7769b0222762ac96854d83947b4a907d8349a133e838f6108bf5e5d7d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2a4f7769b0222762ac96854d83947b4a907d8349a133e838f6108bf5e5d7d6e", kill_on_drop: false }`
[INFO] [stdout] a2a4f7769b0222762ac96854d83947b4a907d8349a133e838f6108bf5e5d7d6e