[INFO] fetching crate ss-view-tree 0.1.1...
[INFO] checking ss-view-tree-0.1.1 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate ss-view-tree 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ss-view-tree 0.1.1 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ss-web-utils v0.1.1
[INFO] [stderr]   Downloaded ss-trees v0.1.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4e56c2b2d2832e086e4be18237f717b7c169266f6a2efc3127589b7950a62e7
[INFO] running `"docker" "start" "-a" "d4e56c2b2d2832e086e4be18237f717b7c169266f6a2efc3127589b7950a62e7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bumpalo v3.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking regex v1.3.9
[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]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking web-sys v0.3.40
[INFO] [stderr]     Checking serde_json v1.0.53
[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] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn box_clone(&self) -> Box<Component>;
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[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/lib.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 | impl Clone for Box<Component>
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn clone(&self) -> Box<Component> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 | impl PartialEq for Component {
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn eq(&self, other: &Component) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl Debug for Component {
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |     Component(Box<Component>),
[INFO] [stderr]     |                   ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn box_clone(&self) -> Box<Component>;
[INFO] [stderr]    |                                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[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/lib.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 | impl Clone for Box<Component>
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:80:28
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn clone(&self) -> Box<Component> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:84:20
[INFO] [stderr]    |
[INFO] [stderr] 84 | impl PartialEq for Component {
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:26
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn eq(&self, other: &Component) -> bool {
[INFO] [stderr]    |                          ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:16
[INFO] [stderr]    |
[INFO] [stderr] 89 | impl Debug for Component {
[INFO] [stderr]    |                ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:179:19
[INFO] [stderr]     |
[INFO] [stderr] 179 |     Component(Box<Component>),
[INFO] [stderr]     |                   ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "d4e56c2b2d2832e086e4be18237f717b7c169266f6a2efc3127589b7950a62e7"`
[INFO] running `"docker" "rm" "-f" "d4e56c2b2d2832e086e4be18237f717b7c169266f6a2efc3127589b7950a62e7"`
[INFO] [stdout] d4e56c2b2d2832e086e4be18237f717b7c169266f6a2efc3127589b7950a62e7