[INFO] fetching crate automata 0.0.4...
[INFO] checking automata-0.0.4 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate automata 0.0.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate automata 0.0.4 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fe13bf73e2bbc488c9b6d0d34e3abf0e3fd37acec817d1b57b7307780b65053
[INFO] running `Command { std: "docker" "start" "-a" "0fe13bf73e2bbc488c9b6d0d34e3abf0e3fd37acec817d1b57b7307780b65053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe13bf73e2bbc488c9b6d0d34e3abf0e3fd37acec817d1b57b7307780b65053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe13bf73e2bbc488c9b6d0d34e3abf0e3fd37acec817d1b57b7307780b65053", kill_on_drop: false }`
[INFO] [stdout] 0fe13bf73e2bbc488c9b6d0d34e3abf0e3fd37acec817d1b57b7307780b65053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ce1a8dae9ea42982ae584f07f5a2198f277e10f601dd0a4a4bd31c13c469e89
[INFO] running `Command { std: "docker" "start" "-a" "2ce1a8dae9ea42982ae584f07f5a2198f277e10f601dd0a4a4bd31c13c469e89", 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]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn write_to(&self, output: &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                         +++
[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]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn write_to(&self, output: &mut dyn Write) -> io::Result<()> 
[INFO] [stdout]     |                                         +++
[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]     |                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn pair(&self, rhs: &Self, decider: &dyn Fn(bool, bool) -> bool) -> Option<Self> {
[INFO] [stdout]     |                                              +++
[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]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn pair_empty(&self, rhs: &Self, decider: &dyn Fn(bool, bool) -> bool) -> bool {
[INFO] [stdout]     |                                                    +++
[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]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn write_to(&self, output: &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                         +++
[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]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn write_to(&self, output: &mut dyn Write) -> io::Result<()> 
[INFO] [stdout]     |                                         +++
[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]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn write_to(&self, output: &mut dyn Write) -> io::Result<()> 
[INFO] [stdout]     |                                         +++
[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]     |                                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn pair(&self, rhs: &Self, decider: &dyn Fn(bool, bool) -> bool) -> Option<Self> {
[INFO] [stdout]     |                                              +++
[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]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn pair_empty(&self, rhs: &Self, decider: &dyn Fn(bool, bool) -> bool) -> bool {
[INFO] [stdout]     |                                                    +++
[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]     |                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 287 |     pub fn write_to(&self, output: &mut dyn Write) -> io::Result<()> 
[INFO] [stdout]     |                                         +++
[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 0.21s
[INFO] running `Command { std: "docker" "inspect" "2ce1a8dae9ea42982ae584f07f5a2198f277e10f601dd0a4a4bd31c13c469e89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce1a8dae9ea42982ae584f07f5a2198f277e10f601dd0a4a4bd31c13c469e89", kill_on_drop: false }`
[INFO] [stdout] 2ce1a8dae9ea42982ae584f07f5a2198f277e10f601dd0a4a4bd31c13c469e89
