[INFO] fetching crate stl_io 0.8.5...
[INFO] building stl_io-0.8.5 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate stl_io 0.8.5 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate stl_io 0.8.5
[INFO] finished tweaking crates.io crate stl_io 0.8.5
[INFO] tweaked toml for crates.io crate stl_io 0.8.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stl_io 0.8.5 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stl_io 0.8.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 524d330c2d08d4596243764e17f5bb1ce47e64b8a987a06780e9a4b1df550b35
[INFO] running `Command { std: "docker" "start" "-a" "524d330c2d08d4596243764e17f5bb1ce47e64b8a987a06780e9a4b1df550b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "524d330c2d08d4596243764e17f5bb1ce47e64b8a987a06780e9a4b1df550b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "524d330c2d08d4596243764e17f5bb1ce47e64b8a987a06780e9a4b1df550b35", kill_on_drop: false }`
[INFO] [stdout] 524d330c2d08d4596243764e17f5bb1ce47e64b8a987a06780e9a4b1df550b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a9dc019df35c587045ddd456286ab6d5958685d829104372d6a13fe50c3bba
[INFO] running `Command { std: "docker" "start" "-a" "16a9dc019df35c587045ddd456286ab6d5958685d829104372d6a13fe50c3bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling stl_io v0.8.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/ascii_reader.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout]    |                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout] 40 +         read: &'a mut dyn ::std::io::Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/binary_reader.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout]    |                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout] 16 +         read: &'a mut dyn ::std::io::Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "16a9dc019df35c587045ddd456286ab6d5958685d829104372d6a13fe50c3bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a9dc019df35c587045ddd456286ab6d5958685d829104372d6a13fe50c3bba", kill_on_drop: false }`
[INFO] [stdout] 16a9dc019df35c587045ddd456286ab6d5958685d829104372d6a13fe50c3bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecf03e4b7d1ebe5e6a245a1402104401cf1c6708ec8311bae84c81d2cbb1b92b
[INFO] running `Command { std: "docker" "start" "-a" "ecf03e4b7d1ebe5e6a245a1402104401cf1c6708ec8311bae84c81d2cbb1b92b", kill_on_drop: false }`
[INFO] [stderr]    Compiling stl_io v0.8.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/ascii_reader.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout]    |                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout] 40 +         read: &'a mut dyn ::std::io::Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/binary_reader.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout]    |                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout] 16 +         read: &'a mut dyn ::std::io::Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/ascii_reader.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout]    |                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout] 40 +         read: &'a mut dyn ::std::io::Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/binary_reader.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout]    |                           ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         read: &'a mut dyn (::std::io::Read),
[INFO] [stdout] 16 +         read: &'a mut dyn ::std::io::Read,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "ecf03e4b7d1ebe5e6a245a1402104401cf1c6708ec8311bae84c81d2cbb1b92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf03e4b7d1ebe5e6a245a1402104401cf1c6708ec8311bae84c81d2cbb1b92b", kill_on_drop: false }`
[INFO] [stdout] ecf03e4b7d1ebe5e6a245a1402104401cf1c6708ec8311bae84c81d2cbb1b92b