[INFO] fetching crate pixcil 0.5.0... [INFO] checking pixcil-0.5.0 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate pixcil 0.5.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate pixcil 0.5.0 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 pixcil 0.5.0 [INFO] finished tweaking crates.io crate pixcil 0.5.0 [INFO] tweaked toml for crates.io crate pixcil 0.5.0 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] a420ffaf6abd8d9783881b16acd2074733e224b5e4fe251f2ea29db23912d33c [INFO] running `Command { std: "docker" "start" "-a" "a420ffaf6abd8d9783881b16acd2074733e224b5e4fe251f2ea29db23912d33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a420ffaf6abd8d9783881b16acd2074733e224b5e4fe251f2ea29db23912d33c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a420ffaf6abd8d9783881b16acd2074733e224b5e4fe251f2ea29db23912d33c", kill_on_drop: false }` [INFO] [stdout] a420ffaf6abd8d9783881b16acd2074733e224b5e4fe251f2ea29db23912d33c [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] 45195d59b8476e32736a4f8fa7cbbc55570aecdaed717f7c044cd15b0b0ea171 [INFO] running `Command { std: "docker" "start" "-a" "45195d59b8476e32736a4f8fa7cbbc55570aecdaed717f7c044cd15b0b0ea171", kill_on_drop: false }` [INFO] [stderr] Checking rle-decode-fast v1.0.3 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking orfail v0.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking libflate_lz77 v1.2.0 [INFO] [stderr] Checking libflate v1.4.0 [INFO] [stderr] Checking pagurus v0.6.4 [INFO] [stderr] Checking pixcil v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0500]: closure requires unique access to `*reader` but it is already borrowed [INFO] [stdout] --> src/model/pixel_canvas.rs:397:18 [INFO] [stdout] | [INFO] [stdout] 395 | deserialize_positions(reader, n) [INFO] [stdout] | - ------ borrow occurs here [INFO] [stdout] | _________| [INFO] [stdout] | | [INFO] [stdout] 396 | | .or_fail()? [INFO] [stdout] | |_______________________- a temporary with access to the first borrow is created here ... [INFO] [stdout] 397 | .map(|pos| Ok((pos, Rgba::deserialize(reader).or_fail()?))) [INFO] [stdout] | ^^^^^ ------ second borrow occurs due to use of `*reader` in closure [INFO] [stdout] | | [INFO] [stdout] | closure construction occurs here [INFO] [stdout] ... [INFO] [stdout] 400 | } [INFO] [stdout] | - ... and the first borrow might be used here, when that temporary is dropped and runs the destructor for type `ControlFlow, impl Iterator>` [INFO] [stdout] | [INFO] [stdout] = note: the temporary is part of an expression at the end of a block; [INFO] [stdout] consider forcing this temporary to be dropped sooner, before the block's local variables are dropped [INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block [INFO] [stdout] | [INFO] [stdout] 395 ~ let x = deserialize_positions(reader, n) [INFO] [stdout] 396 | .or_fail()? [INFO] [stdout] 397 | .map(|pos| Ok((pos, Rgba::deserialize(reader).or_fail()?))) [INFO] [stdout] 398 | .collect::>() [INFO] [stdout] 399 ~ .map(Self); x [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0500]: closure requires unique access to `*reader` but it is already borrowed [INFO] [stdout] --> src/model/pixel_canvas.rs:397:18 [INFO] [stdout] | [INFO] [stdout] 395 | deserialize_positions(reader, n) [INFO] [stdout] | - ------ borrow occurs here [INFO] [stdout] | _________| [INFO] [stdout] | | [INFO] [stdout] 396 | | .or_fail()? [INFO] [stdout] | |_______________________- a temporary with access to the first borrow is created here ... [INFO] [stdout] 397 | .map(|pos| Ok((pos, Rgba::deserialize(reader).or_fail()?))) [INFO] [stdout] | ^^^^^ ------ second borrow occurs due to use of `*reader` in closure [INFO] [stdout] | | [INFO] [stdout] | closure construction occurs here [INFO] [stdout] ... [INFO] [stdout] 400 | } [INFO] [stdout] | - ... and the first borrow might be used here, when that temporary is dropped and runs the destructor for type `ControlFlow, impl Iterator>` [INFO] [stdout] | [INFO] [stdout] = note: the temporary is part of an expression at the end of a block; [INFO] [stdout] consider forcing this temporary to be dropped sooner, before the block's local variables are dropped [INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block [INFO] [stdout] | [INFO] [stdout] 395 ~ let x = deserialize_positions(reader, n) [INFO] [stdout] 396 | .or_fail()? [INFO] [stdout] 397 | .map(|pos| Ok((pos, Rgba::deserialize(reader).or_fail()?))) [INFO] [stdout] 398 | .collect::>() [INFO] [stdout] 399 ~ .map(Self); x [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0500`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0500`. [INFO] [stdout] [INFO] [stderr] error: could not compile `pixcil` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `pixcil` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "45195d59b8476e32736a4f8fa7cbbc55570aecdaed717f7c044cd15b0b0ea171", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45195d59b8476e32736a4f8fa7cbbc55570aecdaed717f7c044cd15b0b0ea171", kill_on_drop: false }` [INFO] [stdout] 45195d59b8476e32736a4f8fa7cbbc55570aecdaed717f7c044cd15b0b0ea171