[INFO] fetching crate garando_pos 0.1.0...
[INFO] testing garando_pos-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate garando_pos 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate garando_pos 0.1.0
[INFO] finished tweaking crates.io crate garando_pos 0.1.0
[INFO] tweaked toml for crates.io crate garando_pos 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate garando_pos 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cca715380b28c86a58ce82ca0614fe5876ebbd0f2d36a6ea77e77dca51335f9d
[INFO] running `Command { std: "docker" "start" "-a" "cca715380b28c86a58ce82ca0614fe5876ebbd0f2d36a6ea77e77dca51335f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cca715380b28c86a58ce82ca0614fe5876ebbd0f2d36a6ea77e77dca51335f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cca715380b28c86a58ce82ca0614fe5876ebbd0f2d36a6ea77e77dca51335f9d", kill_on_drop: false }`
[INFO] [stdout] cca715380b28c86a58ce82ca0614fe5876ebbd0f2d36a6ea77e77dca51335f9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc68ffccfede1f243d47a92f1691fedaee39b8c3c30e9cd322c2ec62bbb2bd2f
[INFO] running `Command { std: "docker" "start" "-a" "dc68ffccfede1f243d47a92f1691fedaee39b8c3c30e9cd322c2ec62bbb2bd2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling garando_pos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unnecessary parentheses around closure body
[INFO] [stdout]    --> src/lib.rs:410:57
[INFO] [stdout]     |
[INFO] [stdout] 410 |         let diff_iter = (&lines[..]).windows(2).map(|w| (w[1] - w[0]));
[INFO] [stdout]     |                                                         ^           ^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:7:9
[INFO] [stdout]     |
[INFO] [stdout]   7 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_parens)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 410 -         let diff_iter = (&lines[..]).windows(2).map(|w| (w[1] - w[0]));
[INFO] [stdout] 410 +         let diff_iter = (&lines[..]).windows(2).map(|w| w[1] - w[0]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `garando_pos` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "dc68ffccfede1f243d47a92f1691fedaee39b8c3c30e9cd322c2ec62bbb2bd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc68ffccfede1f243d47a92f1691fedaee39b8c3c30e9cd322c2ec62bbb2bd2f", kill_on_drop: false }`
[INFO] [stdout] dc68ffccfede1f243d47a92f1691fedaee39b8c3c30e9cd322c2ec62bbb2bd2f