[INFO] fetching crate fused_error 0.1.2...
[INFO] checking fused_error-0.1.2 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate fused_error 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fused_error 0.1.2 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 fused_error 0.1.2
[INFO] finished tweaking crates.io crate fused_error 0.1.2
[INFO] tweaked toml for crates.io crate fused_error 0.1.2 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 80ffcbd6ea522d86bd206ca8a3f4f3dd90a0bdf6c3d86c99793cceee9561fdc8
[INFO] running `Command { std: "docker" "start" "-a" "80ffcbd6ea522d86bd206ca8a3f4f3dd90a0bdf6c3d86c99793cceee9561fdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80ffcbd6ea522d86bd206ca8a3f4f3dd90a0bdf6c3d86c99793cceee9561fdc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ffcbd6ea522d86bd206ca8a3f4f3dd90a0bdf6c3d86c99793cceee9561fdc8", kill_on_drop: false }`
[INFO] [stdout] 80ffcbd6ea522d86bd206ca8a3f4f3dd90a0bdf6c3d86c99793cceee9561fdc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51cd5704213b8f75a3cc0957d204c3cd254fb4550a71698e5af83eecf013528a
[INFO] running `Command { std: "docker" "start" "-a" "51cd5704213b8f75a3cc0957d204c3cd254fb4550a71698e5af83eecf013528a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking fused_error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/accumulated.rs:264:27
[INFO] [stdout]     |
[INFO] [stdout] 264 |         self.inner.deref().borrow()
[INFO] [stdout]     |                           ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[E]` does not implement `Borrow`, so calling `borrow` on `&[E]` 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fused_error` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "51cd5704213b8f75a3cc0957d204c3cd254fb4550a71698e5af83eecf013528a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cd5704213b8f75a3cc0957d204c3cd254fb4550a71698e5af83eecf013528a", kill_on_drop: false }`
[INFO] [stdout] 51cd5704213b8f75a3cc0957d204c3cd254fb4550a71698e5af83eecf013528a