[INFO] fetching crate tyd 0.1.0...
[INFO] checking tyd-0.1.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate tyd 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tyd 0.1.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/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: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9500205825aba4d239cc8f343c7cddd8f04bc71a1a5a0313f6a2d41654d9a45f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9500205825aba4d239cc8f343c7cddd8f04bc71a1a5a0313f6a2d41654d9a45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9500205825aba4d239cc8f343c7cddd8f04bc71a1a5a0313f6a2d41654d9a45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9500205825aba4d239cc8f343c7cddd8f04bc71a1a5a0313f6a2d41654d9a45f", kill_on_drop: false }`
[INFO] [stdout] 9500205825aba4d239cc8f343c7cddd8f04bc71a1a5a0313f6a2d41654d9a45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79318f11cae83414109c1054c284671bc5dee974c0082939db16b688f75e83af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79318f11cae83414109c1054c284671bc5dee974c0082939db16b688f75e83af", 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 is never constructed: `TydString`
[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 is never constructed: `TydString`
[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 is never used: `find_use`
[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 [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "79318f11cae83414109c1054c284671bc5dee974c0082939db16b688f75e83af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79318f11cae83414109c1054c284671bc5dee974c0082939db16b688f75e83af", kill_on_drop: false }`
[INFO] [stdout] 79318f11cae83414109c1054c284671bc5dee974c0082939db16b688f75e83af