[INFO] cloning repository https://github.com/zacstewart/comm-gtk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacstewart/comm-gtk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacstewart%2Fcomm-gtk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacstewart%2Fcomm-gtk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67b9ad743ac3696cec73c1c1e0c44bd08cc48dc8
[INFO] checking zacstewart/comm-gtk against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacstewart%2Fcomm-gtk" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacstewart/comm-gtk on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zacstewart/comm-gtk
[INFO] finished tweaking git repo https://github.com/zacstewart/comm-gtk
[INFO] tweaked toml for git repo https://github.com/zacstewart/comm-gtk written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/zacstewart/comm-gtk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/zacstewart/comm.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f87700a1bf75afb4dc1795a804078e64c02ee2424d95f758c1f19a9b7860ca3
[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" "3f87700a1bf75afb4dc1795a804078e64c02ee2424d95f758c1f19a9b7860ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f87700a1bf75afb4dc1795a804078e64c02ee2424d95f758c1f19a9b7860ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f87700a1bf75afb4dc1795a804078e64c02ee2424d95f758c1f19a9b7860ca3", kill_on_drop: false }`
[INFO] [stdout] 3f87700a1bf75afb4dc1795a804078e64c02ee2424d95f758c1f19a9b7860ca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 297447c4372420211d8b38e9f66f206d94bbb61cdccfebc9c9867e33d94d55da
[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" "297447c4372420211d8b38e9f66f206d94bbb61cdccfebc9c9867e33d94d55da", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling comm v0.1.0 (https://github.com/zacstewart/comm.git#5d35ca7c)
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking protobuf v1.4.3
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking stun v0.0.2
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]     Checking comm-gtk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:149:39
[INFO] [stdout]     |
[INFO] [stdout] 149 |     observers: ObserverSet<Rc<RefCell<ConnectionObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConnectionObserver`
[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/models.rs:249:28
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl Observable<Rc<RefCell<ConnectionObserver>>> for Connection {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConnectionObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:250:60
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<ConnectionObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConnectionObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:265:39
[INFO] [stdout]     |
[INFO] [stdout] 265 |     observers: ObserverSet<Rc<RefCell<MessageObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:311:28
[INFO] [stdout]     |
[INFO] [stdout] 311 | impl Observable<Rc<RefCell<MessageObserver>>> for Message {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:312:60
[INFO] [stdout]     |
[INFO] [stdout] 312 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<MessageObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:322:39
[INFO] [stdout]     |
[INFO] [stdout] 322 |     observers: ObserverSet<Rc<RefCell<ConversationObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:394:28
[INFO] [stdout]     |
[INFO] [stdout] 394 | impl Observable<Rc<RefCell<ConversationObserver>>> for Conversation {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:395:60
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<ConversationObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |     observers: ObserverSet<Rc<RefCell<ConversationListObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationListObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:480:28
[INFO] [stdout]     |
[INFO] [stdout] 480 | impl Observable<Rc<RefCell<ConversationListObserver>>> for ConversationList {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationListObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:481:60
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<ConversationListObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationListObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:149:39
[INFO] [stdout]     |
[INFO] [stdout] 149 |     observers: ObserverSet<Rc<RefCell<ConnectionObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConnectionObserver`
[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/models.rs:249:28
[INFO] [stdout]     |
[INFO] [stdout] 249 | impl Observable<Rc<RefCell<ConnectionObserver>>> for Connection {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConnectionObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:250:60
[INFO] [stdout]     |
[INFO] [stdout] 250 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<ConnectionObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConnectionObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:265:39
[INFO] [stdout]     |
[INFO] [stdout] 265 |     observers: ObserverSet<Rc<RefCell<MessageObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:311:28
[INFO] [stdout]     |
[INFO] [stdout] 311 | impl Observable<Rc<RefCell<MessageObserver>>> for Message {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:312:60
[INFO] [stdout]     |
[INFO] [stdout] 312 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<MessageObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:322:39
[INFO] [stdout]     |
[INFO] [stdout] 322 |     observers: ObserverSet<Rc<RefCell<ConversationObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:394:28
[INFO] [stdout]     |
[INFO] [stdout] 394 | impl Observable<Rc<RefCell<ConversationObserver>>> for Conversation {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:395:60
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<ConversationObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:403:39
[INFO] [stdout]     |
[INFO] [stdout] 403 |     observers: ObserverSet<Rc<RefCell<ConversationListObserver>>>
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationListObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:480:28
[INFO] [stdout]     |
[INFO] [stdout] 480 | impl Observable<Rc<RefCell<ConversationListObserver>>> for ConversationList {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationListObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/models.rs:481:60
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn observers(&mut self) -> &mut ObserverSet<Rc<RefCell<ConversationListObserver>>> {
[INFO] [stdout]     |                                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ConversationListObserver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "297447c4372420211d8b38e9f66f206d94bbb61cdccfebc9c9867e33d94d55da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297447c4372420211d8b38e9f66f206d94bbb61cdccfebc9c9867e33d94d55da", kill_on_drop: false }`
[INFO] [stdout] 297447c4372420211d8b38e9f66f206d94bbb61cdccfebc9c9867e33d94d55da