[INFO] fetching crate gfx-xtra 0.1.1...
[INFO] checking gfx-xtra-0.1.1 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate gfx-xtra 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gfx-xtra 0.1.1 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-xtra 0.1.1
[INFO] finished tweaking crates.io crate gfx-xtra 0.1.1
[INFO] tweaked toml for crates.io crate gfx-xtra 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb0f110e3b3f323a612de0d3f94fccbb84ac0391820f2b6c9161a0dc0ee92734
[INFO] running `Command { std: "docker" "start" "-a" "fb0f110e3b3f323a612de0d3f94fccbb84ac0391820f2b6c9161a0dc0ee92734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb0f110e3b3f323a612de0d3f94fccbb84ac0391820f2b6c9161a0dc0ee92734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0f110e3b3f323a612de0d3f94fccbb84ac0391820f2b6c9161a0dc0ee92734", kill_on_drop: false }`
[INFO] [stdout] fb0f110e3b3f323a612de0d3f94fccbb84ac0391820f2b6c9161a0dc0ee92734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80ff4b3cbb9ff22b33878383d04f948123da4afa2754098d535eb9e6ec4c0c33
[INFO] running `Command { std: "docker" "start" "-a" "80ff4b3cbb9ff22b33878383d04f948123da4afa2754098d535eb9e6ec4c0c33", kill_on_drop: false }`
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking micromath v1.1.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics-core v0.3.3
[INFO] [stderr]     Checking embedded-graphics v0.7.1
[INFO] [stderr]     Checking gfx-xtra v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/draw_target/fb.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |         for (byte_offset, bits_offset) in self.offsets(*area) {
[INFO] [stdout]     |                                           -------------------
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           immutable borrow occurs here
[INFO] [stdout]     |                                           immutable borrow later used here
[INFO] [stdout] 216 |             if let Some(color) = colors.next() {
[INFO] [stdout] 217 |                 self.set(byte_offset, bits_offset, color);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/draw_target/fb.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         for (byte_offset, bits_offset) in self.offsets(*area) {
[INFO] [stdout]     |                                           -------------------
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           immutable borrow occurs here
[INFO] [stdout]     |                                           immutable borrow later used here
[INFO] [stdout] 226 |             self.set(byte_offset, bits_offset, color);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/draw_target/fb.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |             for (byte_offset, bits_offset) in self.offsets(self.bounding_box()) {
[INFO] [stdout]     |                                               ---------------------------------
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               immutable borrow occurs here
[INFO] [stdout]     |                                               immutable borrow later used here
[INFO] [stdout] 239 |                 self.set(byte_offset, bits_offset, color);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/draw_target/fb.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 215 |         for (byte_offset, bits_offset) in self.offsets(*area) {
[INFO] [stdout]     |                                           -------------------
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           immutable borrow occurs here
[INFO] [stdout]     |                                           immutable borrow later used here
[INFO] [stdout] 216 |             if let Some(color) = colors.next() {
[INFO] [stdout] 217 |                 self.set(byte_offset, bits_offset, color);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/draw_target/fb.rs:226:13
[INFO] [stdout]     |
[INFO] [stdout] 225 |         for (byte_offset, bits_offset) in self.offsets(*area) {
[INFO] [stdout]     |                                           -------------------
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           immutable borrow occurs here
[INFO] [stdout]     |                                           immutable borrow later used here
[INFO] [stdout] 226 |             self.set(byte_offset, bits_offset, color);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `*self` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/draw_target/fb.rs:239:17
[INFO] [stdout]     |
[INFO] [stdout] 238 |             for (byte_offset, bits_offset) in self.offsets(self.bounding_box()) {
[INFO] [stdout]     |                                               ---------------------------------
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               immutable borrow occurs here
[INFO] [stdout]     |                                               immutable borrow later used here
[INFO] [stdout] 239 |                 self.set(byte_offset, bits_offset, color);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gfx-xtra` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gfx-xtra` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "80ff4b3cbb9ff22b33878383d04f948123da4afa2754098d535eb9e6ec4c0c33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ff4b3cbb9ff22b33878383d04f948123da4afa2754098d535eb9e6ec4c0c33", kill_on_drop: false }`
[INFO] [stdout] 80ff4b3cbb9ff22b33878383d04f948123da4afa2754098d535eb9e6ec4c0c33