[INFO] fetching crate visit_diff 0.1.1...
[INFO] testing visit_diff-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate visit_diff 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate visit_diff 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate visit_diff 0.1.1
[INFO] finished tweaking crates.io crate visit_diff 0.1.1
[INFO] tweaked toml for crates.io crate visit_diff 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded visit_diff_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83f97aabc23e2f8c30131cf5348b00e6f1934da79c4541545c90636f4d9fa362
[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" "83f97aabc23e2f8c30131cf5348b00e6f1934da79c4541545c90636f4d9fa362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83f97aabc23e2f8c30131cf5348b00e6f1934da79c4541545c90636f4d9fa362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f97aabc23e2f8c30131cf5348b00e6f1934da79c4541545c90636f4d9fa362", kill_on_drop: false }`
[INFO] [stdout] 83f97aabc23e2f8c30131cf5348b00e6f1934da79c4541545c90636f4d9fa362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1d75c86509d8a3808393ebe32311d33358d23387c463b433358525ba0db4b0
[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" "ce1d75c86509d8a3808393ebe32311d33358d23387c463b433358525ba0db4b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling visit_diff_derive v0.1.0
[INFO] [stderr]    Compiling visit_diff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[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/debug.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:203:29
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:203:40
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:119:34
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:305:40
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:23
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:34
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "ce1d75c86509d8a3808393ebe32311d33358d23387c463b433358525ba0db4b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1d75c86509d8a3808393ebe32311d33358d23387c463b433358525ba0db4b0", kill_on_drop: false }`
[INFO] [stdout] ce1d75c86509d8a3808393ebe32311d33358d23387c463b433358525ba0db4b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d80a65e94e178b94268f937634df004b142e280cf2b4e6650bcddda4a42304
[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" "d4d80a65e94e178b94268f937634df004b142e280cf2b4e6650bcddda4a42304", kill_on_drop: false }`
[INFO] [stderr]    Compiling visit_diff v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[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/debug.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:203:29
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:203:40
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:119:34
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:305:40
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:23
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:34
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[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/debug.rs:25:40
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/debug.rs:29:34
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:203:29
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:203:40
[INFO] [stdout]     |
[INFO] [stdout] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/detect.rs:207:34
[INFO] [stdout]     |
[INFO] [stdout] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:20:40
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/unit.rs:24:34
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:46:23
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/constant.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:115:29
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:115:40
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:119:23
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/record.rs:119:34
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:305:29
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:305:40
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:23
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:309:34
[INFO] [stdout]     |
[INFO] [stdout] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stdout]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "d4d80a65e94e178b94268f937634df004b142e280cf2b4e6650bcddda4a42304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d80a65e94e178b94268f937634df004b142e280cf2b4e6650bcddda4a42304", kill_on_drop: false }`
[INFO] [stdout] d4d80a65e94e178b94268f937634df004b142e280cf2b4e6650bcddda4a42304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e87147ca42caf4064acf50ad7d3db255f6090d7c6279ae9241f73a8fc063d377
[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" "e87147ca42caf4064acf50ad7d3db255f6090d7c6279ae9241f73a8fc063d377", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:203:29
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:203:40
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:207:23
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:42:40
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:119:34
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:305:29
[INFO] [stderr]     |
[INFO] [stderr] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:305:40
[INFO] [stderr]     |
[INFO] [stderr] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:309:23
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:309:34
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:25:29
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:25:40
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/debug.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     fn same(self, a: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:203:29
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:203:40
[INFO] [stderr]     |
[INFO] [stderr] 203 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:207:23
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/detect.rs:207:34
[INFO] [stderr]     |
[INFO] [stderr] 207 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:20:29
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:20:40
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/unit.rs:24:34
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:42:40
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn difference(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:46:23
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/constant.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn same(self, _: &Debug, _: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:115:29
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:115:40
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:119:23
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/record.rs:119:34
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err> {
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:305:29
[INFO] [stderr]     |
[INFO] [stderr] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                             ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:305:40
[INFO] [stderr]     |
[INFO] [stderr] 305 |     fn difference(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:309:23
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:309:34
[INFO] [stderr]     |
[INFO] [stderr] 309 |     fn same(self, a: &Debug, b: &Debug) -> Result<Self::Ok, Self::Err>;
[INFO] [stderr]     |                                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/visit_diff-e445a4448cbad6b8
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] All { all: true, any: true }
[INFO] [stdout] test debug::tests::debug_delta_struct ... ok
[INFO] [stdout] test debug::tests::debug_enum_same ... ok
[INFO] [stdout] test debug::tests::debug_full_delta_struct ... ok
[INFO] [stdout] test debug::tests::debug_delta_struct_pretty ... ok
[INFO] [stdout] test debug::tests::debug_enum_different ... ok
[INFO] [stdout] test debug::tests::debug_self_struct ... ok
[INFO] [stdout] test debug::tests::debug_self_usize ... ok
[INFO] [stdout] test debug::tests::map ... ok
[INFO] [stdout] test debug::tests::struct_variant_different ... ok
[INFO] [stdout] test debug::tests::struct_variant_same ... ok
[INFO] [stdout] test detect::any_tests::detector_first_field_true ... ok
[INFO] [stdout] test detect::any_tests::detector_enum ... ok
[INFO] [stdout] test detect::any_tests::detector_second_field_true ... ok
[INFO] [stdout] test detect::any_tests::detector_self_false ... ok
[INFO] [stdout] test detect::tests::all_both_fields_true ... ok
[INFO] [stdout] test detect::any_tests::detector_struct_variant ... ok
[INFO] [stdout] test detect::any_tests::detector_other_false ... ok
[INFO] [stdout] test detect::tests::empty_slice ... ok
[INFO] [stdout] test detect::tests::unit ... ok
[INFO] [stdout] test detect::tests::all_one_field_false ... ok
[INFO] [stdout] test detect::tests::all_self_false ... ok
[INFO] [stdout] test record::tests::int ... ok
[INFO] [stdout] test record::tests::unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/core-0b760fb47169a7b2
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test array ... ok
[INFO] [stdout] test refs ... ok
[INFO] [stdout] test cell ... ok
[INFO] [stdout] test bool ... ok
[INFO] [stdout] test slice ... ok
[INFO] [stdout] test actual_unit ... ok
[INFO] [stdout] test ref_cell ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/std-3c53792af8cbe749
[INFO] [stdout] test str ... ok
[INFO] [stderr]    Doc-tests visit_diff
[INFO] [stdout] test tuple ... ok
[INFO] [stdout] test u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test btreeset ... ok
[INFO] [stdout] test vec ... ok
[INFO] [stdout] test hashmap ... ok
[INFO] [stdout] test btreemap ... ok
[INFO] [stdout] test hashset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/constant.rs - constant (line 10) ... ignored
[INFO] [stdout] test src/constant.rs - constant (line 16) ... ignored
[INFO] [stdout] test src/lib.rs - Differ::begin_struct_variant (line 368) ... ok
[INFO] [stdout] test src/lib.rs - Differ (line 198) ... ok
[INFO] [stdout] test src/lib.rs - Diff (line 103) ... ok
[INFO] [stdout] test src/lib.rs - Differ::begin_struct (line 330) ... ok
[INFO] [stdout] test src/debug.rs - debug::debug_diff (line 324) ... ok
[INFO] [stdout] test src/lib.rs - Differ::begin_tuple (line 427) ... ok
[INFO] [stdout] test src/detect.rs - detect::any_difference (line 15) ... ok
[INFO] [stdout] test src/lib.rs - Differ::begin_tuple_variant (line 462) ... ok
[INFO] [stdout] test src/lib.rs - Differ::begin_seq (line 516) ... ok
[INFO] [stdout] test src/detect.rs - detect::all_different (line 46) ... ok
[INFO] [stdout] test src/debug.rs - debug::debug_diff (line 288) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e87147ca42caf4064acf50ad7d3db255f6090d7c6279ae9241f73a8fc063d377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87147ca42caf4064acf50ad7d3db255f6090d7c6279ae9241f73a8fc063d377", kill_on_drop: false }`
[INFO] [stdout] e87147ca42caf4064acf50ad7d3db255f6090d7c6279ae9241f73a8fc063d377