[INFO] cloning repository https://github.com/wooddeep/lee
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wooddeep/lee" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwooddeep%2Flee", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwooddeep%2Flee'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8bcec1bf3324377db33f42b8ecfaf9472d60d2a
[INFO] checking wooddeep/lee against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwooddeep%2Flee" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wooddeep/lee on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wooddeep/lee
[INFO] finished tweaking git repo https://github.com/wooddeep/lee
[INFO] tweaked toml for git repo https://github.com/wooddeep/lee written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/wooddeep/lee already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eebe450bb4055d21abd73ebe2da82ab19aca4adffc34b404c4d3016008d86298
[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" "eebe450bb4055d21abd73ebe2da82ab19aca4adffc34b404c4d3016008d86298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eebe450bb4055d21abd73ebe2da82ab19aca4adffc34b404c4d3016008d86298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eebe450bb4055d21abd73ebe2da82ab19aca4adffc34b404c4d3016008d86298", kill_on_drop: false }`
[INFO] [stdout] eebe450bb4055d21abd73ebe2da82ab19aca4adffc34b404c4d3016008d86298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b18ab2dda6ab49716d60ff87e4245be91016f687b5a0df31250bb15a002d1b
[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" "f9b18ab2dda6ab49716d60ff87e4245be91016f687b5a0df31250bb15a002d1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking lee v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/parser/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree`
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tree;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::SeqCst`
[INFO] [stdout]  --> src/parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::Ordering::SeqCst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/executor/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/executor/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/tree/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/tree/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/parser/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tree`
[INFO] [stdout]  --> src/parser/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tree;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::Ordering::SeqCst`
[INFO] [stdout]  --> src/parser/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::Ordering::SeqCst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/executor/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/executor/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/tree/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/tree/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Captures`, `Error`
[INFO] [stdout]  --> src/test.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use regex::{Regex, Captures, Error};
[INFO] [stdout]   |                        ^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Index`
[INFO] [stdout]  --> src/test.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use std::ops::Index;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::*`
[INFO] [stdout]    --> src/test.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |     use std::cell::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]    --> src/test.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |     use std::thread;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]    --> src/test.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     use std::rc::Rc;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]    --> src/test.rs:170:31
[INFO] [stdout]     |
[INFO] [stdout] 170 |     use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/parser/mod.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |             return Some(Etree::FuncTree(func_tree));
[INFO] [stdout]     |             --------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 141 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser/mod.rs:277:45
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenType::LT | TokenType::LE | TokenType::EQ => {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/executor/mod.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _ => {}
[INFO] [stdout]    |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/parser/mod.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 Some(tree) => return Some(Etree::Tree(expr.unwrap())),
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/parser/mod.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |             return Some(Etree::FuncTree(func_tree));
[INFO] [stdout]     |             --------------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 141 |         return None;
[INFO] [stdout]     |         ^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let mut out: Vec<Etree> = Vec::new(); // 输出代码块列表
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser/mod.rs:277:45
[INFO] [stdout]     |
[INFO] [stdout] 277 |             TokenType::LT | TokenType::LE | TokenType::EQ => {
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/executor/mod.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 _ => {}
[INFO] [stdout]    |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/parser/mod.rs:136:22
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 Some(tree) => return Some(Etree::Tree(expr.unwrap())),
[INFO] [stdout]     |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let mut out: Vec<Etree> = Vec::new(); // 输出代码块列表
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_mod_embed`
[INFO] [stdout]   --> src/test.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn test_mod_embed() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `wing`
[INFO] [stdout]   --> src/test.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |         wing: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bird`
[INFO] [stdout]   --> src/test.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         bird: Bird,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `view`
[INFO] [stdout]   --> src/test.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         view: f32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `show_bird`
[INFO] [stdout]   --> src/test.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn show_bird(bird: &impl Fly) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/test.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `it_works`
[INFO] [stdout]   --> src/test.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn it_works() {  // cargo test -- --nocapture
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_works`
[INFO] [stdout]    --> src/test.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn vec_works() {  // cargo test -- --nocapture
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_cell`
[INFO] [stdout]    --> src/test.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn test_cell() {  // cargo test -- --nocapture
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] [stdout] warning: 28 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9b18ab2dda6ab49716d60ff87e4245be91016f687b5a0df31250bb15a002d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b18ab2dda6ab49716d60ff87e4245be91016f687b5a0df31250bb15a002d1b", kill_on_drop: false }`
[INFO] [stdout] f9b18ab2dda6ab49716d60ff87e4245be91016f687b5a0df31250bb15a002d1b