[INFO] fetching crate cxterminfo 0.2.0...
[INFO] checking cxterminfo-0.2.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate cxterminfo 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate cxterminfo 0.2.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxterminfo 0.2.0
[INFO] finished tweaking crates.io crate cxterminfo 0.2.0
[INFO] tweaked toml for crates.io crate cxterminfo 0.2.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e1698a563ac4582bb5659e3d159099410dd7ec546f8aab5be98f62e729b6420
[INFO] running `Command { std: "docker" "start" "-a" "9e1698a563ac4582bb5659e3d159099410dd7ec546f8aab5be98f62e729b6420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e1698a563ac4582bb5659e3d159099410dd7ec546f8aab5be98f62e729b6420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1698a563ac4582bb5659e3d159099410dd7ec546f8aab5be98f62e729b6420", kill_on_drop: false }`
[INFO] [stdout] 9e1698a563ac4582bb5659e3d159099410dd7ec546f8aab5be98f62e729b6420
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87f7773e7a0cace073e686f025694efad6b003f02d008ad364f8c8f83a642b47
[INFO] running `Command { std: "docker" "start" "-a" "87f7773e7a0cace073e686f025694efad6b003f02d008ad364f8c8f83a642b47", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Checking cxterminfo v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 let _ = &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 &str_values.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 let _ = &str_values.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:373:17
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 &names.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let _ = &names.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:379:17
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 let _ = &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 | /                 &info.ext_numbers
[INFO] [stdout] 385 | |                      .insert(names[i + ext_bool_count - 1].to_string(), number_values[i]);
[INFO] [stdout]     | |_________________________________________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let _ = &info.ext_numbers
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 | /                 &info.ext_strings.insert(
[INFO] [stdout] 391 | |                     names[i + ext_bool_count + ext_number_count].to_string(),
[INFO] [stdout] 392 | |                     str_values[i].to_string(),
[INFO] [stdout] 393 | |                 );
[INFO] [stdout]     | |_________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 let _ = &info.ext_strings.insert(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 339 |                 let _ = &number_values.push(read_int(&info.data, pos, info.read_i32));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:362:17
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 &str_values.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 362 |                 let _ = &str_values.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:373:17
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 &names.push(str);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 373 |                 let _ = &names.push(str);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:379:17
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 379 |                 let _ = &info.ext_bool.insert(names[i].to_string(), bool_values[i]);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 | /                 &info.ext_numbers
[INFO] [stdout] 385 | |                      .insert(names[i + ext_bool_count - 1].to_string(), number_values[i]);
[INFO] [stdout]     | |_________________________________________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 384 |                 let _ = &info.ext_numbers
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/terminfo.rs:390:17
[INFO] [stdout]     |
[INFO] [stdout] 390 | /                 &info.ext_strings.insert(
[INFO] [stdout] 391 | |                     names[i + ext_bool_count + ext_number_count].to_string(),
[INFO] [stdout] 392 | |                     str_values[i].to_string(),
[INFO] [stdout] 393 | |                 );
[INFO] [stdout]     | |_________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 390 |                 let _ = &info.ext_strings.insert(
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87f7773e7a0cace073e686f025694efad6b003f02d008ad364f8c8f83a642b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f7773e7a0cace073e686f025694efad6b003f02d008ad364f8c8f83a642b47", kill_on_drop: false }`
[INFO] [stdout] 87f7773e7a0cace073e686f025694efad6b003f02d008ad364f8c8f83a642b47