[INFO] fetching crate gradiff 0.1.0-rc9...
[INFO] checking gradiff-0.1.0-rc9 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate gradiff 0.1.0-rc9 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gradiff 0.1.0-rc9 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 gradiff 0.1.0-rc9
[INFO] finished tweaking crates.io crate gradiff 0.1.0-rc9
[INFO] tweaked toml for crates.io crate gradiff 0.1.0-rc9 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" "+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-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fec7deb7e91274fb0c7d4c07795c08e3d4342c1dcf9b4e5a07ab16ac00272fe3
[INFO] running `Command { std: "docker" "start" "-a" "fec7deb7e91274fb0c7d4c07795c08e3d4342c1dcf9b4e5a07ab16ac00272fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fec7deb7e91274fb0c7d4c07795c08e3d4342c1dcf9b4e5a07ab16ac00272fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec7deb7e91274fb0c7d4c07795c08e3d4342c1dcf9b4e5a07ab16ac00272fe3", kill_on_drop: false }`
[INFO] [stdout] fec7deb7e91274fb0c7d4c07795c08e3d4342c1dcf9b4e5a07ab16ac00272fe3
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f16cc5d2ef046e8e1d2e4f00a5a2d262ee52074014839c71c4e5e87370ff8eb7
[INFO] running `Command { std: "docker" "start" "-a" "f16cc5d2ef046e8e1d2e4f00a5a2d262ee52074014839c71c4e5e87370ff8eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking peeking_take_while v1.0.0
[INFO] [stderr]     Checking gradiff v0.1.0-rc9 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stdout] error: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/model/point_derived_arrow.rs:166:45
[INFO] [stdout]     |
[INFO] [stdout] 166 |                         if self.leg > (arrow.deref().points().len() - 3) {
[INFO] [stdout]     |                                             ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `model::arrow::Arrow` does not implement `Deref`, so calling `deref` on `&model::arrow::Arrow` 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 `gradiff` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f16cc5d2ef046e8e1d2e4f00a5a2d262ee52074014839c71c4e5e87370ff8eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f16cc5d2ef046e8e1d2e4f00a5a2d262ee52074014839c71c4e5e87370ff8eb7", kill_on_drop: false }`
[INFO] [stdout] f16cc5d2ef046e8e1d2e4f00a5a2d262ee52074014839c71c4e5e87370ff8eb7