[INFO] fetching crate math2d 0.2.0-alpha8...
[INFO] checking math2d-0.2.0-alpha8 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] extracting crate math2d 0.2.0-alpha8 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate math2d 0.2.0-alpha8 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 math2d 0.2.0-alpha8
[INFO] finished tweaking crates.io crate math2d 0.2.0-alpha8
[INFO] tweaked toml for crates.io crate math2d 0.2.0-alpha8 written to /workspace/builds/worker-0-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]     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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1e01869e1bfb3c280b3250be22d1da4cbc0587e8e8264f92bdb11f13ac7e4292
[INFO] running `Command { std: "docker" "start" "-a" "1e01869e1bfb3c280b3250be22d1da4cbc0587e8e8264f92bdb11f13ac7e4292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e01869e1bfb3c280b3250be22d1da4cbc0587e8e8264f92bdb11f13ac7e4292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e01869e1bfb3c280b3250be22d1da4cbc0587e8e8264f92bdb11f13ac7e4292", kill_on_drop: false }`
[INFO] [stdout] 1e01869e1bfb3c280b3250be22d1da4cbc0587e8e8264f92bdb11f13ac7e4292
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 336a6cd97927f8c0be13cfbea6ef98648667ace45cca2fe788c07b3457b249c8
[INFO] running `Command { std: "docker" "start" "-a" "336a6cd97927f8c0be13cfbea6ef98648667ace45cca2fe788c07b3457b249c8", kill_on_drop: false }`
[INFO] [stderr]     Checking math2d v0.2.0-alpha8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/color.rs:189:46
[INFO] [stdout]     |
[INFO] [stdout] 189 |         write!(fmt, "{}", std::error::Error::description(self))
[INFO] [stdout]     |                                              ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: captured variable cannot escape `FnMut` closure body
[INFO] [stdout]    --> src/recti.rs:163:34
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn points(self) -> impl Iterator<Item = Point2i> {
[INFO] [stdout]     |                   ---- variable defined here
[INFO] [stdout] 162 |         self.rows()
[INFO] [stdout] 163 |             .flat_map(move |row| self.columns().map(move |col| (col, row).into()))
[INFO] [stdout]     |                                - ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                | |
[INFO] [stdout]     |                                | returns a closure that contains a reference to a captured variable, which then escapes the closure body
[INFO] [stdout]     |                                | variable captured here
[INFO] [stdout]     |                                inferred to be a `FnMut` closure
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FnMut` closures only have access to their captured variables while they are executing...
[INFO] [stdout]     = note: ...therefore, they cannot allow references to captured variables to escape
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0597]: `self` does not live long enough
[INFO] [stdout]    --> src/recti.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     pub fn points(self) -> impl Iterator<Item = Point2i> {
[INFO] [stdout]     |                   ---- binding `self` declared here
[INFO] [stdout] 162 |         self.rows()
[INFO] [stdout]     |         ^^^^-------
[INFO] [stdout]     |         |
[INFO] [stdout]     |         borrowed value does not live long enough
[INFO] [stdout]     |         argument requires that `self` is borrowed for `'static`
[INFO] [stdout] 163 |             .flat_map(move |row| self.columns().map(move |col| (col, row).into()))
[INFO] [stdout] 164 |     }
[INFO] [stdout]     |      - `self` dropped here while still borrowed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math2d` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "336a6cd97927f8c0be13cfbea6ef98648667ace45cca2fe788c07b3457b249c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "336a6cd97927f8c0be13cfbea6ef98648667ace45cca2fe788c07b3457b249c8", kill_on_drop: false }`
[INFO] [stdout] 336a6cd97927f8c0be13cfbea6ef98648667ace45cca2fe788c07b3457b249c8