[INFO] fetching crate ss-view-tree 0.1.1...
[INFO] checking ss-view-tree-0.1.1 against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[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 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da33aa3268519626bc4df0c7e1e71ed75a2c8bbdec5a45e934346f618fa6ba32
[INFO] running `Command { std: "docker" "start" "-a" "da33aa3268519626bc4df0c7e1e71ed75a2c8bbdec5a45e934346f618fa6ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da33aa3268519626bc4df0c7e1e71ed75a2c8bbdec5a45e934346f618fa6ba32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da33aa3268519626bc4df0c7e1e71ed75a2c8bbdec5a45e934346f618fa6ba32", kill_on_drop: false }`
[INFO] [stdout] da33aa3268519626bc4df0c7e1e71ed75a2c8bbdec5a45e934346f618fa6ba32
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69375d05665c85a06f22c8876ab41ababc6ac50f916ae2b4df8072b4f710f1b6
[INFO] running `Command { std: "docker" "start" "-a" "69375d05665c85a06f22c8876ab41ababc6ac50f916ae2b4df8072b4f710f1b6", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling syn v1.0.31
[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 v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking wasm-bindgen v0.2.63
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking serde v1.0.112
[INFO] [stderr]     Checking web-sys v0.3.40
[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 06s
[INFO] running `Command { std: "docker" "inspect" "69375d05665c85a06f22c8876ab41ababc6ac50f916ae2b4df8072b4f710f1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69375d05665c85a06f22c8876ab41ababc6ac50f916ae2b4df8072b4f710f1b6", kill_on_drop: false }`
[INFO] [stdout] 69375d05665c85a06f22c8876ab41ababc6ac50f916ae2b4df8072b4f710f1b6