[INFO] fetching crate ss-view-tree 0.1.1...
[INFO] checking ss-view-tree-0.1.1 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate ss-view-tree 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ss-view-tree 0.1.1 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ea89368c1815cd1f01ccf6cc0607e4e3e3f035bc8f807759da333a67813acf7
[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" "0ea89368c1815cd1f01ccf6cc0607e4e3e3f035bc8f807759da333a67813acf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ea89368c1815cd1f01ccf6cc0607e4e3e3f035bc8f807759da333a67813acf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea89368c1815cd1f01ccf6cc0607e4e3e3f035bc8f807759da333a67813acf7", kill_on_drop: false }`
[INFO] [stdout] 0ea89368c1815cd1f01ccf6cc0607e4e3e3f035bc8f807759da333a67813acf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29df8970ccaf9717774dcc209fd7b76cf7d3534f2c6df9ba47e791fdbcd1f32a
[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" "29df8970ccaf9717774dcc209fd7b76cf7d3534f2c6df9ba47e791fdbcd1f32a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking rand_os v0.1.3
[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 wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking js-sys v0.3.46
[INFO] [stderr]     Checking serde v1.0.119
[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 1m 13s
[INFO] running `Command { std: "docker" "inspect" "29df8970ccaf9717774dcc209fd7b76cf7d3534f2c6df9ba47e791fdbcd1f32a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29df8970ccaf9717774dcc209fd7b76cf7d3534f2c6df9ba47e791fdbcd1f32a", kill_on_drop: false }`
[INFO] [stdout] 29df8970ccaf9717774dcc209fd7b76cf7d3534f2c6df9ba47e791fdbcd1f32a