[INFO] fetching crate ss-view-tree 0.1.1...
[INFO] checking ss-view-tree-0.1.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate ss-view-tree 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ss-view-tree 0.1.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ss-view-tree 0.1.1
[INFO] finished tweaking crates.io crate ss-view-tree 0.1.1
[INFO] tweaked toml for crates.io crate ss-view-tree 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded Inflector v0.11.4
[INFO] [stderr]   Downloaded ss-web-utils v0.1.1
[INFO] [stderr]   Downloaded ss-trees v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bde7dd465757485c316e6b93b0d6d54b068c1a05f78de91c5509263e80577d0
[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" "8bde7dd465757485c316e6b93b0d6d54b068c1a05f78de91c5509263e80577d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bde7dd465757485c316e6b93b0d6d54b068c1a05f78de91c5509263e80577d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bde7dd465757485c316e6b93b0d6d54b068c1a05f78de91c5509263e80577d0", kill_on_drop: false }`
[INFO] [stdout] 8bde7dd465757485c316e6b93b0d6d54b068c1a05f78de91c5509263e80577d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12b861e8997cba324790614083e68aa220175826baebaf6c26aed8fc4e5f9b5a
[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" "12b861e8997cba324790614083e68aa220175826baebaf6c26aed8fc4e5f9b5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking cached v0.8.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking js-sys v0.3.46
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking web-sys v0.3.46
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking ss-web-utils v0.1.1
[INFO] [stderr]     Checking ss-trees v0.1.1
[INFO] [stderr]     Checking ss-view-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn box_clone(&self) -> Box<Component>;
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[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:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Clone for Box<Component>
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn clone(&self) -> Box<Component> {
[INFO] [stdout]    |                            ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl PartialEq for Component {
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn eq(&self, other: &Component) -> bool {
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Debug for Component {
[INFO] [stdout]    |                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     Component(Box<Component>),
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:74:32
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn box_clone(&self) -> Box<Component>;
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[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:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Clone for Box<Component>
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn clone(&self) -> Box<Component> {
[INFO] [stdout]    |                            ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 | impl PartialEq for Component {
[INFO] [stdout]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:85:26
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn eq(&self, other: &Component) -> bool {
[INFO] [stdout]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 | impl Debug for Component {
[INFO] [stdout]    |                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:179:19
[INFO] [stdout]     |
[INFO] [stdout] 179 |     Component(Box<Component>),
[INFO] [stdout]     |                   ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.63s
[INFO] running `Command { std: "docker" "inspect" "12b861e8997cba324790614083e68aa220175826baebaf6c26aed8fc4e5f9b5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12b861e8997cba324790614083e68aa220175826baebaf6c26aed8fc4e5f9b5a", kill_on_drop: false }`
[INFO] [stdout] 12b861e8997cba324790614083e68aa220175826baebaf6c26aed8fc4e5f9b5a