[INFO] fetching crate advancedresearch-asi_core0 0.1.0...
[INFO] checking advancedresearch-asi_core0-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate advancedresearch-asi_core0 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate advancedresearch-asi_core0 0.1.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate advancedresearch-asi_core0 0.1.0
[INFO] finished tweaking crates.io crate advancedresearch-asi_core0 0.1.0
[INFO] tweaked toml for crates.io crate advancedresearch-asi_core0 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c8fedba5fa9abf16489448c3f44f265ec7c42b2a8dbe24c146ca9970c695a6a
[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" "1c8fedba5fa9abf16489448c3f44f265ec7c42b2a8dbe24c146ca9970c695a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c8fedba5fa9abf16489448c3f44f265ec7c42b2a8dbe24c146ca9970c695a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8fedba5fa9abf16489448c3f44f265ec7c42b2a8dbe24c146ca9970c695a6a", kill_on_drop: false }`
[INFO] [stdout] 1c8fedba5fa9abf16489448c3f44f265ec7c42b2a8dbe24c146ca9970c695a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc68fd38e122a3bda936b0d89ddc9147fcd727cebd25a83a2d35cbdcd06f6f5
[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" "2bc68fd38e122a3bda936b0d89ddc9147fcd727cebd25a83a2d35cbdcd06f6f5", kill_on_drop: false }`
[INFO] [stderr]     Checking advancedresearch-asi_core0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         error: Box<::std::error::Error>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         error: Box<::std::error::Error>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:310:55
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn try_receive(&mut self) -> Option<Result<T, Box<::std::error::Error>>>;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:319:56
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:192:20
[INFO] [stdout]     |
[INFO] [stdout] 192 |         error: Box<::std::error::Error>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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:199:20
[INFO] [stdout]     |
[INFO] [stdout] 199 |         error: Box<::std::error::Error>
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:310:55
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn try_receive(&mut self) -> Option<Result<T, Box<::std::error::Error>>>;
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:319:56
[INFO] [stdout]     |
[INFO] [stdout] 319 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>>;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/bob_sleeps.rs:33:56
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn try_receive(&mut self) -> Option<Result<(), Box<::std::error::Error>>> {None}
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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]   --> examples/bob_sleeps.rs:61:56
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>> {
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bc68fd38e122a3bda936b0d89ddc9147fcd727cebd25a83a2d35cbdcd06f6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc68fd38e122a3bda936b0d89ddc9147fcd727cebd25a83a2d35cbdcd06f6f5", kill_on_drop: false }`
[INFO] [stdout] 2bc68fd38e122a3bda936b0d89ddc9147fcd727cebd25a83a2d35cbdcd06f6f5