[INFO] fetching crate pubsub 0.2.3...
[INFO] testing pubsub-0.2.3 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate pubsub 0.2.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pubsub 0.2.3 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pubsub 0.2.3
[INFO] finished tweaking crates.io crate pubsub 0.2.3
[INFO] tweaked toml for crates.io crate pubsub 0.2.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threadpool v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] cf667a15103a5e440f8edb0d6c356c75c2358af03917f1b33ffbc60ce62731a3
[INFO] running `Command { std: "docker" "start" "-a" "cf667a15103a5e440f8edb0d6c356c75c2358af03917f1b33ffbc60ce62731a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf667a15103a5e440f8edb0d6c356c75c2358af03917f1b33ffbc60ce62731a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf667a15103a5e440f8edb0d6c356c75c2358af03917f1b33ffbc60ce62731a3", kill_on_drop: false }`
[INFO] [stdout] cf667a15103a5e440f8edb0d6c356c75c2358af03917f1b33ffbc60ce62731a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 525e0aedf693a91073c08126e3aac936dde71a8d43f30219a0fdbd5d65b60451
[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" "525e0aedf693a91073c08126e3aac936dde71a8d43f30219a0fdbd5d65b60451", kill_on_drop: false }`
[INFO] [stderr]    Compiling threadpool v0.1.4
[INFO] [stderr]    Compiling pubsub v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     func: Option<Arc<Mutex<Box<FnMut(String) + Send>>>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:10
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     let mut func = guard.deref_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "525e0aedf693a91073c08126e3aac936dde71a8d43f30219a0fdbd5d65b60451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "525e0aedf693a91073c08126e3aac936dde71a8d43f30219a0fdbd5d65b60451", kill_on_drop: false }`
[INFO] [stdout] 525e0aedf693a91073c08126e3aac936dde71a8d43f30219a0fdbd5d65b60451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e6fb29b138b433738490c17e80fc1de22e1426f6c0a30b681e0c3a658a2418
[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" "51e6fb29b138b433738490c17e80fc1de22e1426f6c0a30b681e0c3a658a2418", kill_on_drop: false }`
[INFO] [stderr]    Compiling pubsub v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     func: Option<Arc<Mutex<Box<FnMut(String) + Send>>>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:10
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     let mut func = guard.deref_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     func: Option<Arc<Mutex<Box<FnMut(String) + Send>>>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + Send`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:192:10
[INFO] [stdout]     |
[INFO] [stdout] 192 |                     let mut func = guard.deref_mut();
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "51e6fb29b138b433738490c17e80fc1de22e1426f6c0a30b681e0c3a658a2418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e6fb29b138b433738490c17e80fc1de22e1426f6c0a30b681e0c3a658a2418", kill_on_drop: false }`
[INFO] [stdout] 51e6fb29b138b433738490c17e80fc1de22e1426f6c0a30b681e0c3a658a2418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 51ba0858b4d602a55909fad3e63b3841a91580a0aa35b9fa584e77c3cb1ec3ca
[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" "51ba0858b4d602a55909fad3e63b3841a91580a0aa35b9fa584e77c3cb1ec3ca", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     func: Option<Arc<Mutex<Box<FnMut(String) + Send>>>>
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:192:10
[INFO] [stderr]     |
[INFO] [stderr] 192 |                     let mut func = guard.deref_mut();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     func: Option<Arc<Mutex<Box<FnMut(String) + Send>>>>
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(String) + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:192:10
[INFO] [stderr]     |
[INFO] [stderr] 192 |                     let mut func = guard.deref_mut();
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pubsub-dfcbb644baa23ec6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::notify_exception ... ok
[INFO] [stdout] test test::lazy_subscribe ... ok
[INFO] [stdout] test test::basic_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pubsub
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "51ba0858b4d602a55909fad3e63b3841a91580a0aa35b9fa584e77c3cb1ec3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ba0858b4d602a55909fad3e63b3841a91580a0aa35b9fa584e77c3cb1ec3ca", kill_on_drop: false }`
[INFO] [stdout] 51ba0858b4d602a55909fad3e63b3841a91580a0aa35b9fa584e77c3cb1ec3ca