[INFO] fetching crate timely 0.12.0...
[INFO] checking timely-0.12.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate timely 0.12.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate timely 0.12.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timely 0.12.0
[INFO] finished tweaking crates.io crate timely 0.12.0
[INFO] tweaked toml for crates.io crate timely 0.12.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate timely 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timely_communication v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d78fee4e94b2d0143a9640cbd83ac08cc2b39bda34d6159a24ae0bdbe550d896
[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" "d78fee4e94b2d0143a9640cbd83ac08cc2b39bda34d6159a24ae0bdbe550d896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78fee4e94b2d0143a9640cbd83ac08cc2b39bda34d6159a24ae0bdbe550d896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78fee4e94b2d0143a9640cbd83ac08cc2b39bda34d6159a24ae0bdbe550d896", kill_on_drop: false }`
[INFO] [stdout] d78fee4e94b2d0143a9640cbd83ac08cc2b39bda34d6159a24ae0bdbe550d896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ddedf53518c9f57b09a32bb5fb4e7af9f18e287b4ffaf41190d780d301ee54c
[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" "1ddedf53518c9f57b09a32bb5fb4e7af9f18e287b4ffaf41190d780d301ee54c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking timely_bytes v0.12.0
[INFO] [stderr]     Checking timely_logging v0.12.0
[INFO] [stderr]     Checking abomonation v0.7.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking timely_communication v0.12.0
[INFO] [stderr]     Checking timely v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `resources`
[INFO] [stdout]    --> src/worker.rs:710:5
[INFO] [stdout]     |
[INFO] [stdout] 710 |     resources: Option<Box<dyn Any>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `resources`
[INFO] [stdout]    --> src/worker.rs:710:5
[INFO] [stdout]     |
[INFO] [stdout] 710 |     resources: Option<Box<dyn Any>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.66s
[INFO] running `Command { std: "docker" "inspect" "1ddedf53518c9f57b09a32bb5fb4e7af9f18e287b4ffaf41190d780d301ee54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ddedf53518c9f57b09a32bb5fb4e7af9f18e287b4ffaf41190d780d301ee54c", kill_on_drop: false }`
[INFO] [stdout] 1ddedf53518c9f57b09a32bb5fb4e7af9f18e287b4ffaf41190d780d301ee54c