[INFO] fetching crate tyd 0.1.0...
[INFO] checking tyd-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate tyd 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate tyd 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tyd 0.1.0
[INFO] finished tweaking crates.io crate tyd 0.1.0
[INFO] tweaked toml for crates.io crate tyd 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate tyd 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe5a427e640d2e343b9b1b4928ed8c0dcbe93b2d8fb6e94181e07d429e282afa
[INFO] running `Command { std: "docker" "start" "-a" "fe5a427e640d2e343b9b1b4928ed8c0dcbe93b2d8fb6e94181e07d429e282afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe5a427e640d2e343b9b1b4928ed8c0dcbe93b2d8fb6e94181e07d429e282afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5a427e640d2e343b9b1b4928ed8c0dcbe93b2d8fb6e94181e07d429e282afa", kill_on_drop: false }`
[INFO] [stdout] fe5a427e640d2e343b9b1b4928ed8c0dcbe93b2d8fb6e94181e07d429e282afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dcf948e7bc284fa2a66770fe908f4c0bd026c56f78c404c64abb3a3fb700fcd
[INFO] running `Command { std: "docker" "start" "-a" "3dcf948e7bc284fa2a66770fe908f4c0bd026c56f78c404c64abb3a3fb700fcd", kill_on_drop: false }`
[INFO] [stderr]     Checking tyd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line_num`
[INFO] [stdout]   --> src/lib.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn update(&mut self, line_num: usize, line: &str) {}
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/lib.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn update(&mut self, line_num: usize, line: &str) {}
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TydString` is never constructed
[INFO] [stdout]  --> src/types.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct TydString<S>(S);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_num`
[INFO] [stdout]   --> src/lib.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn update(&mut self, line_num: usize, line: &str) {}
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/lib.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn update(&mut self, line_num: usize, line: &str) {}
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TydString` is never constructed
[INFO] [stdout]  --> src/types.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct TydString<S>(S);
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> examples/parse.rs:58:17
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_derive(s: &String, i: usize, line: &str) -> Line<Token> {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/parse.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_derive(s: &String, i: usize, line: &str) -> Line<Token> {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> examples/parse.rs:58:39
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn parse_derive(s: &String, i: usize, line: &str) -> Line<Token> {
[INFO] [stdout]    |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_uses`
[INFO] [stdout]    --> examples/parse.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let default_uses = String::new();
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_uses`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]    --> examples/parse.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |     for (state, line) in parser.iter(&data) {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_use` is never used
[INFO] [stdout]   --> examples/parse.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn find_use() {}
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "3dcf948e7bc284fa2a66770fe908f4c0bd026c56f78c404c64abb3a3fb700fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dcf948e7bc284fa2a66770fe908f4c0bd026c56f78c404c64abb3a3fb700fcd", kill_on_drop: false }`
[INFO] [stdout] 3dcf948e7bc284fa2a66770fe908f4c0bd026c56f78c404c64abb3a3fb700fcd