[INFO] fetching crate automata 0.0.4...
[INFO] checking automata-0.0.4 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate automata 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate automata 0.0.4 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate automata 0.0.4
[INFO] finished tweaking crates.io crate automata 0.0.4
[INFO] tweaked toml for crates.io crate automata 0.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23ef41f597fdadcbba596b0d4b87e426225d3dc24e3818b4919918b442bf52ea
[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" "23ef41f597fdadcbba596b0d4b87e426225d3dc24e3818b4919918b442bf52ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ef41f597fdadcbba596b0d4b87e426225d3dc24e3818b4919918b442bf52ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ef41f597fdadcbba596b0d4b87e426225d3dc24e3818b4919918b442bf52ea", kill_on_drop: false }`
[INFO] [stdout] 23ef41f597fdadcbba596b0d4b87e426225d3dc24e3818b4919918b442bf52ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d994693087c1eed6d82aa632aec7a366c7023a0bb889e1bb93e5e75e5869f00
[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" "3d994693087c1eed6d82aa632aec7a366c7023a0bb889e1bb93e5e75e5869f00", kill_on_drop: false }`
[INFO] [stderr]     Checking automata v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deterministic.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[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/dfa.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dfa.rs:145:46
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn pair(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> Option<Self> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/deterministic.rs:172:41
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[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/dfa.rs:100:41
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dfa.rs:145:46
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn pair(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> Option<Self> {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dfa.rs:205:52
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn pair_empty(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/dfa.rs:205:52
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn pair_empty(&self, rhs: &Self, decider: &Fn(bool, bool) -> bool) -> bool {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(bool, bool) -> bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/nfa.rs:287:41
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/nfa.rs:287:41
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn write_to(&self, output: &mut Write) -> io::Result<()> 
[INFO] [stdout]     |                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "3d994693087c1eed6d82aa632aec7a366c7023a0bb889e1bb93e5e75e5869f00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d994693087c1eed6d82aa632aec7a366c7023a0bb889e1bb93e5e75e5869f00", kill_on_drop: false }`
[INFO] [stdout] 3d994693087c1eed6d82aa632aec7a366c7023a0bb889e1bb93e5e75e5869f00