[INFO] fetching crate flo_canvas 0.1.0...
[INFO] checking flo_canvas-0.1.0 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate flo_canvas 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flo_canvas 0.1.0 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flo_canvas 0.1.0
[INFO] finished tweaking crates.io crate flo_canvas 0.1.0
[INFO] tweaked toml for crates.io crate flo_canvas 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75b118d8103bb66897a6950ee881834cb56e18d2b4d2dde0e80a54b9b6e76e6c
[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" "75b118d8103bb66897a6950ee881834cb56e18d2b4d2dde0e80a54b9b6e76e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b118d8103bb66897a6950ee881834cb56e18d2b4d2dde0e80a54b9b6e76e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b118d8103bb66897a6950ee881834cb56e18d2b4d2dde0e80a54b9b6e76e6c", kill_on_drop: false }`
[INFO] [stdout] 75b118d8103bb66897a6950ee881834cb56e18d2b4d2dde0e80a54b9b6e76e6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37412dd0ca6213856d026ad7a215613ad261ab17f3d5e2188dfbc8b988d2658b
[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" "37412dd0ca6213856d026ad7a215613ad261ab17f3d5e2188dfbc8b988d2658b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking rust-hsluv v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking desync v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking flo_curves v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking flo_canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gc.rs:87:49
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn draw_list<'a>(&'a mut self, drawing: Box<'a+Iterator<Item=Draw>>) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a+Iterator<Item=Draw>`
[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/canvas.rs:207:38
[INFO] [stdout]     |
[INFO] [stdout] 207 |     where FnAction: Send+FnOnce(&mut GraphicsPrimitives) -> () {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GraphicsPrimitives`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/canvas.rs:221:33
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn stream(&self) -> Box<Stream<Item=Draw,Error=()>+Send> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item=Draw,Error=()>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/canvas.rs:303:49
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn draw_list<'b>(&'b mut self, drawing: Box<'b+Iterator<Item=Draw>>) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'b+Iterator<Item=Draw>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gc.rs:87:49
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn draw_list<'a>(&'a mut self, drawing: Box<'a+Iterator<Item=Draw>>) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'a+Iterator<Item=Draw>`
[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/canvas.rs:207:38
[INFO] [stdout]     |
[INFO] [stdout] 207 |     where FnAction: Send+FnOnce(&mut GraphicsPrimitives) -> () {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn GraphicsPrimitives`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/canvas.rs:221:33
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn stream(&self) -> Box<Stream<Item=Draw,Error=()>+Send> {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item=Draw,Error=()>+Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/canvas.rs:303:49
[INFO] [stdout]     |
[INFO] [stdout] 303 |     fn draw_list<'b>(&'b mut self, drawing: Box<'b+Iterator<Item=Draw>>) {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn 'b+Iterator<Item=Draw>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.46s
[INFO] running `Command { std: "docker" "inspect" "37412dd0ca6213856d026ad7a215613ad261ab17f3d5e2188dfbc8b988d2658b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37412dd0ca6213856d026ad7a215613ad261ab17f3d5e2188dfbc8b988d2658b", kill_on_drop: false }`
[INFO] [stdout] 37412dd0ca6213856d026ad7a215613ad261ab17f3d5e2188dfbc8b988d2658b