[INFO] fetching crate bosh-rs 0.4.0...
[INFO] checking bosh-rs-0.4.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate bosh-rs 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate bosh-rs 0.4.0 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bosh-rs 0.4.0
[INFO] finished tweaking crates.io crate bosh-rs 0.4.0
[INFO] tweaked toml for crates.io crate bosh-rs 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a0dd8c7eb1c8390632ebee4c824adff5b9ce653709fc373b4f5045da42f1b5e
[INFO] running `Command { std: "docker" "start" "-a" "8a0dd8c7eb1c8390632ebee4c824adff5b9ce653709fc373b4f5045da42f1b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a0dd8c7eb1c8390632ebee4c824adff5b9ce653709fc373b4f5045da42f1b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0dd8c7eb1c8390632ebee4c824adff5b9ce653709fc373b4f5045da42f1b5e", kill_on_drop: false }`
[INFO] [stdout] 8a0dd8c7eb1c8390632ebee4c824adff5b9ce653709fc373b4f5045da42f1b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7fb128979d423733090e344208f2b4eecc9e499024088c0fc625d7d9b4a15d2
[INFO] running `Command { std: "docker" "start" "-a" "b7fb128979d423733090e344208f2b4eecc9e499024088c0fc625d7d9b4a15d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking read-from v0.5.2
[INFO] [stderr]    Compiling serde_repr v0.1.12
[INFO] [stderr]     Checking bosh-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&LRComVec2` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let vector = vector.borrow();
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&vector::Vector2D` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let vector = vector.borrow();
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&line::LineType` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |         match line_type.borrow() {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&LRComLineType` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:97:24
[INFO] [stdout]    |
[INFO] [stdout] 97 |         match line_type.borrow() {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/serialization/lrcom.rs:109:28
[INFO] [stdout]     |
[INFO] [stdout] 109 |             line_type: line.borrow().line_type.into(),
[INFO] [stdout]     |                            ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `line::Line` does not implement `Borrow`, so calling `borrow` on `&line::Line` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bosh-rs` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&LRComVec2` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:70:28
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let vector = vector.borrow();
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&vector::Vector2D` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let vector = vector.borrow();
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&line::LineType` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |         match line_type.borrow() {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.borrow()` on a double reference, which returns `&LRComLineType` instead of borrowing the inner type
[INFO] [stdout]   --> src/serialization/lrcom.rs:97:24
[INFO] [stdout]    |
[INFO] [stdout] 97 |         match line_type.borrow() {
[INFO] [stdout]    |                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/serialization/lrcom.rs:109:28
[INFO] [stdout]     |
[INFO] [stdout] 109 |             line_type: line.borrow().line_type.into(),
[INFO] [stdout]     |                            ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `line::Line` does not implement `Borrow`, so calling `borrow` on `&line::Line` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bosh-rs` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b7fb128979d423733090e344208f2b4eecc9e499024088c0fc625d7d9b4a15d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fb128979d423733090e344208f2b4eecc9e499024088c0fc625d7d9b4a15d2", kill_on_drop: false }`
[INFO] [stdout] b7fb128979d423733090e344208f2b4eecc9e499024088c0fc625d7d9b4a15d2