[INFO] fetching crate jobpool 0.3.8...
[INFO] checking jobpool-0.3.8 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate jobpool 0.3.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate jobpool 0.3.8 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jobpool 0.3.8
[INFO] finished tweaking crates.io crate jobpool 0.3.8
[INFO] tweaked toml for crates.io crate jobpool 0.3.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a7b919bc8b238494b7e90c064eb6d68081bc1deb495edf213d6a8fda2ad817
[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" "65a7b919bc8b238494b7e90c064eb6d68081bc1deb495edf213d6a8fda2ad817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a7b919bc8b238494b7e90c064eb6d68081bc1deb495edf213d6a8fda2ad817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a7b919bc8b238494b7e90c064eb6d68081bc1deb495edf213d6a8fda2ad817", kill_on_drop: false }`
[INFO] [stdout] 65a7b919bc8b238494b7e90c064eb6d68081bc1deb495edf213d6a8fda2ad817
[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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01c30206b4e98a26b41eaaa56a6b2fa82eeecf6092e237c0898b9b9771da30f3
[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" "01c30206b4e98a26b41eaaa56a6b2fa82eeecf6092e237c0898b9b9771da30f3", kill_on_drop: false }`
[INFO] [stderr]     Checking jobpool v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/jobpool.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | type BoxedRunnable = Box<Runnable + Send + 'static>;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Send + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/jobpool.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | type BoxedRunnable = Box<Runnable + Send + 'static>;
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Send + 'static`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` 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 1.35s
[INFO] running `Command { std: "docker" "inspect" "01c30206b4e98a26b41eaaa56a6b2fa82eeecf6092e237c0898b9b9771da30f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c30206b4e98a26b41eaaa56a6b2fa82eeecf6092e237c0898b9b9771da30f3", kill_on_drop: false }`
[INFO] [stdout] 01c30206b4e98a26b41eaaa56a6b2fa82eeecf6092e237c0898b9b9771da30f3