[INFO] fetching crate memenhancer 0.1.0...
[INFO] testing memenhancer-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate memenhancer 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate memenhancer 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memenhancer 0.1.0
[INFO] finished tweaking crates.io crate memenhancer 0.1.0
[INFO] tweaked toml for crates.io crate memenhancer 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ceb75f1d0f0ce9c35a84de0f689e66d2513c17ed0f175ef37a7d48d5a2e5324
[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" "1ceb75f1d0f0ce9c35a84de0f689e66d2513c17ed0f175ef37a7d48d5a2e5324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ceb75f1d0f0ce9c35a84de0f689e66d2513c17ed0f175ef37a7d48d5a2e5324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ceb75f1d0f0ce9c35a84de0f689e66d2513c17ed0f175ef37a7d48d5a2e5324", kill_on_drop: false }`
[INFO] [stdout] 1ceb75f1d0f0ce9c35a84de0f689e66d2513c17ed0f175ef37a7d48d5a2e5324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] 6fc1f8077ae0b97bf276025b6bddaafe4555f05146770b96bbb63cef45cf3198
[INFO] running `Command { std: "docker" "start" "-a" "6fc1f8077ae0b97bf276025b6bddaafe4555f05146770b96bbb63cef45cf3198", kill_on_drop: false }`
[INFO] [stderr]    Compiling svg v0.5.12
[INFO] [stderr]    Compiling memenhancer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:74
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn get_svg_elements(&self, y: usize, settings: &Settings) -> Vec<Box<Node>>{
[INFO] [stdout]    |                                                                          ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:59:29
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut svg:Vec<Box<Node>> = vec![];
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:105:74
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn get_svg_elements(&self, y: usize, settings: &Settings) -> Vec<Box<Node>>{
[INFO] [stdout]     |                                                                          ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:106:34
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut elements:Vec<Box<Node>> = vec![];
[INFO] [stdout]     |                                  ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:73
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn get_svg_elements(&self, y: usize, settings:&Settings) -> Vec<Box<Node>> {
[INFO] [stdout]     |                                                                         ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:176:35
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let mut elements: Vec<Box<Node>> = vec![];
[INFO] [stdout]     |                                   ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:337:58
[INFO] [stdout]     |
[INFO] [stdout] 337 | fn to_svg_lines(s: &str, settings: &Settings) -> Vec<Box<Node>> {
[INFO] [stdout]     |                                                          ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:349:72
[INFO] [stdout]     |
[INFO] [stdout] 349 | fn get_svg_elements(y: usize, s: &str, settings: &Settings) -> Vec<Box<Node>> {
[INFO] [stdout]     |                                                                        ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:355:81
[INFO] [stdout]     |
[INFO] [stdout] 355 | pub fn get_meme_svg(input: &str, text_width: f32, text_height: f32) -> (Vec<Box<Node>>, String) {
[INFO] [stdout]     |                                                                                 ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:360:34
[INFO] [stdout]     |
[INFO] [stdout] 360 |     let mut svg_elements:Vec<Box<Node + 'static>> = vec![];
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Node + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:381:90
[INFO] [stdout]     |
[INFO] [stdout] 381 | fn line_to_svg_with_excess_str(y: usize, s: &str, settings:&Settings) -> Option<(Vec<Box<Node>>, String)>{
[INFO] [stdout]     |                                                                                          ^^^^ help: use `dyn`: `dyn Node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memenhancer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6fc1f8077ae0b97bf276025b6bddaafe4555f05146770b96bbb63cef45cf3198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc1f8077ae0b97bf276025b6bddaafe4555f05146770b96bbb63cef45cf3198", kill_on_drop: false }`
[INFO] [stdout] 6fc1f8077ae0b97bf276025b6bddaafe4555f05146770b96bbb63cef45cf3198