[INFO] crate task_queue 0.0.7 is already in cache
[INFO] checking task_queue-0.0.7 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate task_queue 0.0.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate task_queue 0.0.7 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate task_queue 0.0.7
[INFO] finished tweaking crates.io crate task_queue 0.0.7
[INFO] tweaked toml for crates.io crate task_queue 0.0.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] a6c4bc4ec013406603142ff7c53bc76ad56c8371939ab163e637a454001d3d06
[INFO] running `Command { std: "docker" "start" "-a" "a6c4bc4ec013406603142ff7c53bc76ad56c8371939ab163e637a454001d3d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6c4bc4ec013406603142ff7c53bc76ad56c8371939ab163e637a454001d3d06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6c4bc4ec013406603142ff7c53bc76ad56c8371939ab163e637a454001d3d06", kill_on_drop: false }`
[INFO] [stdout] a6c4bc4ec013406603142ff7c53bc76ad56c8371939ab163e637a454001d3d06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c2d0fbca108cc4d1cc3d7fd6ab2a7126d3dc4693c87c22791363dce94b0fa7
[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" "c1c2d0fbca108cc4d1cc3d7fd6ab2a7126d3dc4693c87c22791363dce94b0fa7", kill_on_drop: false }`
[INFO] [stderr]     Checking task_queue v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:50:32
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     policy: Box<SpawnPolicy>,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:52
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn set_spawn_policy(&mut self, policy: Box<SpawnPolicy>) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |     value: Box<Fn() + Send>,
[INFO] [stdout]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:50:32
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |     policy: Box<SpawnPolicy>,
[INFO] [stdout]    |                 ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:293:52
[INFO] [stdout]     |
[INFO] [stdout] 293 |     pub fn set_spawn_policy(&mut self, policy: Box<SpawnPolicy>) {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^ help: use `dyn`: `dyn SpawnPolicy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:347:16
[INFO] [stdout]     |
[INFO] [stdout] 347 |     value: Box<Fn() + Send>,
[INFO] [stdout]     |                ^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |             &TaskQueueError::Io(ref e) => e.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |             &TaskQueueError::Io(ref e) => e.description(),
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c1c2d0fbca108cc4d1cc3d7fd6ab2a7126d3dc4693c87c22791363dce94b0fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c2d0fbca108cc4d1cc3d7fd6ab2a7126d3dc4693c87c22791363dce94b0fa7", kill_on_drop: false }`
[INFO] [stdout] c1c2d0fbca108cc4d1cc3d7fd6ab2a7126d3dc4693c87c22791363dce94b0fa7