[INFO] fetching crate terminal_graphics 0.1.5...
[INFO] checking terminal_graphics-0.1.5 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate terminal_graphics 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate terminal_graphics 0.1.5 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terminal_graphics 0.1.5
[INFO] finished tweaking crates.io crate terminal_graphics 0.1.5
[INFO] tweaked toml for crates.io crate terminal_graphics 0.1.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dae82074fd324f16094fb98d4c24ef3c8026963505e286302d26d41dbd9129e2
[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" "dae82074fd324f16094fb98d4c24ef3c8026963505e286302d26d41dbd9129e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dae82074fd324f16094fb98d4c24ef3c8026963505e286302d26d41dbd9129e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae82074fd324f16094fb98d4c24ef3c8026963505e286302d26d41dbd9129e2", kill_on_drop: false }`
[INFO] [stdout] dae82074fd324f16094fb98d4c24ef3c8026963505e286302d26d41dbd9129e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b724da810a5caf9f7298f1f9080dcfad84d6cf015e428999ae90abd964be3b23
[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" "b724da810a5caf9f7298f1f9080dcfad84d6cf015e428999ae90abd964be3b23", kill_on_drop: false }`
[INFO] [stderr]     Checking terminal_graphics v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/container.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     content: Option<&'a mut Graphic>,
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/container.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         graphic: &'a mut Graphic,
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/container.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn set_content(&mut self, graphic: &'a mut Graphic) {
[INFO] [stdout]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     graphics: HashMap<String, Box<Graphic>>,
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:72:58
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn add_named(&mut self, name: &str, graphic: Box<Graphic>) {
[INFO] [stdout]    |                                                          ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:77:68
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn get_mut_named(&mut self, name: &str) -> Option<&mut Box<Graphic>> {
[INFO] [stdout]    |                                                                    ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:82:56
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_named(&self, name: &str) -> Option<&Box<Graphic>> {
[INFO] [stdout]    |                                                        ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/container.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |     content: Option<&'a mut Graphic>,
[INFO] [stdout]    |                             ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/container.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |         graphic: &'a mut Graphic,
[INFO] [stdout]    |                          ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/container.rs:62:52
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn set_content(&mut self, graphic: &'a mut Graphic) {
[INFO] [stdout]    |                                                    ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:48:35
[INFO] [stdout]    |
[INFO] [stdout] 48 |     graphics: HashMap<String, Box<Graphic>>,
[INFO] [stdout]    |                                   ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:72:58
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn add_named(&mut self, name: &str, graphic: Box<Graphic>) {
[INFO] [stdout]    |                                                          ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:77:68
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn get_mut_named(&mut self, name: &str) -> Option<&mut Box<Graphic>> {
[INFO] [stdout]    |                                                                    ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/graphics/mod.rs:82:56
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_named(&self, name: &str) -> Option<&Box<Graphic>> {
[INFO] [stdout]    |                                                        ^^^^^^^ help: use `dyn`: `dyn Graphic`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display/display.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for mut pixel in pixels {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/display/display.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for mut pixel in pixels {
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "b724da810a5caf9f7298f1f9080dcfad84d6cf015e428999ae90abd964be3b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b724da810a5caf9f7298f1f9080dcfad84d6cf015e428999ae90abd964be3b23", kill_on_drop: false }`
[INFO] [stdout] b724da810a5caf9f7298f1f9080dcfad84d6cf015e428999ae90abd964be3b23