[INFO] fetching crate stl_io 0.8.5...
[INFO] building stl_io-0.8.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate stl_io 0.8.5 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stl_io 0.8.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c56ac601ab4c8f417844a298ca85bbd68630160c6d45096e80e36680e00b6ee
[INFO] running `Command { std: "docker" "start" "-a" "1c56ac601ab4c8f417844a298ca85bbd68630160c6d45096e80e36680e00b6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c56ac601ab4c8f417844a298ca85bbd68630160c6d45096e80e36680e00b6ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c56ac601ab4c8f417844a298ca85bbd68630160c6d45096e80e36680e00b6ee", kill_on_drop: false }`
[INFO] [stdout] 1c56ac601ab4c8f417844a298ca85bbd68630160c6d45096e80e36680e00b6ee
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 486d25c2d408587b8d75d74aa874ebff2d502eaab1643510ced322b3cdaabe13
[INFO] running `Command { std: "docker" "start" "-a" "486d25c2d408587b8d75d74aa874ebff2d502eaab1643510ced322b3cdaabe13", 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 1.48s
[INFO] running `Command { std: "docker" "inspect" "486d25c2d408587b8d75d74aa874ebff2d502eaab1643510ced322b3cdaabe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486d25c2d408587b8d75d74aa874ebff2d502eaab1643510ced322b3cdaabe13", kill_on_drop: false }`
[INFO] [stdout] 486d25c2d408587b8d75d74aa874ebff2d502eaab1643510ced322b3cdaabe13
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 827c1e415b7546da7d9a09250b761de79029587449e82355a51897984a90cee1
[INFO] running `Command { std: "docker" "start" "-a" "827c1e415b7546da7d9a09250b761de79029587449e82355a51897984a90cee1", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "827c1e415b7546da7d9a09250b761de79029587449e82355a51897984a90cee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827c1e415b7546da7d9a09250b761de79029587449e82355a51897984a90cee1", kill_on_drop: false }`
[INFO] [stdout] 827c1e415b7546da7d9a09250b761de79029587449e82355a51897984a90cee1