[INFO] fetching crate jobpool 0.3.8...
[INFO] testing jobpool-0.3.8 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate jobpool 0.3.8 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate jobpool 0.3.8 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05150c6641dc381da389d7819ea3e6c6a4c7f5ca5bcbd4bc13894f50538c48a2
[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" "05150c6641dc381da389d7819ea3e6c6a4c7f5ca5bcbd4bc13894f50538c48a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05150c6641dc381da389d7819ea3e6c6a4c7f5ca5bcbd4bc13894f50538c48a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05150c6641dc381da389d7819ea3e6c6a4c7f5ca5bcbd4bc13894f50538c48a2", kill_on_drop: false }`
[INFO] [stdout] 05150c6641dc381da389d7819ea3e6c6a4c7f5ca5bcbd4bc13894f50538c48a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 918c1eab351ba1019905e87c0604d7d3c4e3780c95bc37fe5f9416848dc51c0e
[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" "918c1eab351ba1019905e87c0604d7d3c4e3780c95bc37fe5f9416848dc51c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "918c1eab351ba1019905e87c0604d7d3c4e3780c95bc37fe5f9416848dc51c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "918c1eab351ba1019905e87c0604d7d3c4e3780c95bc37fe5f9416848dc51c0e", kill_on_drop: false }`
[INFO] [stdout] 918c1eab351ba1019905e87c0604d7d3c4e3780c95bc37fe5f9416848dc51c0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a700be1358fbe87785c3f0135985b0c773929a9d31e8e4ace86af44c1db81d8c
[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" "a700be1358fbe87785c3f0135985b0c773929a9d31e8e4ace86af44c1db81d8c", kill_on_drop: false }`
[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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling jobpool v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[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]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "a700be1358fbe87785c3f0135985b0c773929a9d31e8e4ace86af44c1db81d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a700be1358fbe87785c3f0135985b0c773929a9d31e8e4ace86af44c1db81d8c", kill_on_drop: false }`
[INFO] [stdout] a700be1358fbe87785c3f0135985b0c773929a9d31e8e4ace86af44c1db81d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a9f032386581a6f68453da8f9193d96fdbd3ceca97435c4cdf289d582b89a72
[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" "7a9f032386581a6f68453da8f9193d96fdbd3ceca97435c4cdf289d582b89a72", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 11 tests
[INFO] [stderr]  --> src/jobpool.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 | type BoxedRunnable = Box<Runnable + Send + 'static>;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Send + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/jobpool.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 | type BoxedRunnable = Box<Runnable + Send + 'static>;
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Runnable + Send + 'static`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jobpool-15ccd1ae79274a8e)
[INFO] [stdout] test tests::check_shutdown ... ok
[INFO] [stdout] test tests::shutdown_no_wait ... ok
[INFO] [stdout] test tests::panic_on_zero_sized_jobpool ... ok
[INFO] [stdout] test tests::no_panic_on_multiple_shutdowns ... ok
[INFO] [stdout] test tests::panic_on_reuse ... ok
[INFO] [stdout] test tests::panic_on_reuse_shutdown_no_wait ... ok
[INFO] [stdout] test tests::shuts_down ... ok
[INFO] [stdout] test tests::shouldnt_auto_grow ... ok
[INFO] [stdout] test tests::shuts_down_with_auto_grow ... ok
[INFO] [stdout] test tests::shutdown_no_wait_with_auto_grow ... ok
[INFO] [stderr]    Doc-tests jobpool
[INFO] [stdout] test tests::queue_with_priority ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.55s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/jobpool.rs - jobpool::JobPool::new (line 174) ... ok
[INFO] [stdout] test src/jobpool.rs - jobpool::JobPool::shutdown (line 428) ... ok
[INFO] [stdout] test src/jobpool.rs - jobpool::JobPool::shutdown_no_wait (line 487) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/jobpool.rs - jobpool::JobPool::queue_with_priority (line 273) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/jobpool.rs - jobpool::JobPool::queue (line 242) ... ok
[INFO] [stdout] test src/jobpool.rs - jobpool::JobPool::auto_grow (line 393) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a9f032386581a6f68453da8f9193d96fdbd3ceca97435c4cdf289d582b89a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9f032386581a6f68453da8f9193d96fdbd3ceca97435c4cdf289d582b89a72", kill_on_drop: false }`
[INFO] [stdout] 7a9f032386581a6f68453da8f9193d96fdbd3ceca97435c4cdf289d582b89a72