[INFO] updating cached repository https://github.com/cole-btw/Logal
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba8dc33db2d26fa55ef20d56b3acb2af11311ed2
[INFO] checking cole-btw/Logal against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcole-btw%2FLogal" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cole-btw/Logal on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cole-btw/Logal
[INFO] finished tweaking git repo https://github.com/cole-btw/Logal
[INFO] tweaked toml for git repo https://github.com/cole-btw/Logal written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bd985e9eb6483be2dcc6d3e4a369c4698aed6c6388f812edbded513d7802ccd0
[INFO] running `"docker" "start" "-a" "bd985e9eb6483be2dcc6d3e4a369c4698aed6c6388f812edbded513d7802ccd0"`
[INFO] [stderr]     Checking logal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: irrefutable if-let pattern
[INFO] [stderr]   --> src/ast.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Expr = t.next { push(tree.clone(), side, data); } 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `toke`
[INFO] [stderr]    --> src/main.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for toke in block.clone() {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_toke`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Expr`
[INFO] [stderr]   --> src/ast.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Expr = t.next { push(tree.clone(), side, data); } 
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_Expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/ast.rs:76:25
[INFO] [stderr]    |
[INFO] [stderr] 76 |     if let Expr::Binary(mut t) = tree {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable if-let pattern
[INFO] [stderr]   --> src/ast.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Expr = t.next { push(tree.clone(), side, data); } 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `toke`
[INFO] [stderr]    --> src/main.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for toke in block.clone() {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_toke`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Expr`
[INFO] [stderr]   --> src/ast.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Expr = t.next { push(tree.clone(), side, data); } 
[INFO] [stderr]    |                ^^^^ help: if this is intentional, prefix it with an underscore: `_Expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/ast.rs:76:25
[INFO] [stderr]    |
[INFO] [stderr] 76 |     if let Expr::Binary(mut t) = tree {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut trees: Vec<ast::Expr> = Vec::new();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |     let mut trees: Vec<ast::Expr> = Vec::new();
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut head = ast::Expr::Unary(ast::Unary::new(lex::TokenType::NULL, None));
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |         let mut head = ast::Expr::Unary(ast::Unary::new(lex::TokenType::NULL, None));
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ast.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn push(mut tree: Expr, side: Arity, data: lex::TokenType)
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ast.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Expr::Unary(mut t) = tree.clone() {
[INFO] [stderr]    |                        ----^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ast.rs:76:25
[INFO] [stderr]    |
[INFO] [stderr] 76 |     if let Expr::Binary(mut t) = tree {
[INFO] [stderr]    |                         ----^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ast.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn push(mut tree: Expr, side: Arity, data: lex::TokenType)
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ast.rs:71:24
[INFO] [stderr]    |
[INFO] [stderr] 71 |     if let Expr::Unary(mut t) = tree.clone() {
[INFO] [stderr]    |                        ----^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ast.rs:76:25
[INFO] [stderr]    |
[INFO] [stderr] 76 |     if let Expr::Binary(mut t) = tree {
[INFO] [stderr]    |                         ----^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]  --> src/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Binary(Binary),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Literal(usize)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]  --> src/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Binary(Binary),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ast.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 |    pub fn new(token: lex::TokenType, left: Option<Box<Expr>>, right: Option<Box<Expr>>) -> Binary
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Literal`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Literal(usize)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ast.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 |    pub fn new(token: lex::TokenType, left: Option<Box<Expr>>, right: Option<Box<Expr>>) -> Binary
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/ast.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/ast.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Right
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Expr` should have a snake case name
[INFO] [stderr]   --> src/ast.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Expr = t.next { push(tree.clone(), side, data); } 
[INFO] [stderr]    |                ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/ast.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/ast.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     Right
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Expr` should have a snake case name
[INFO] [stderr]   --> src/ast.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         if let Expr = t.next { push(tree.clone(), side, data); } 
[INFO] [stderr]    |                ^^^^ help: convert the identifier to snake case: `expr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "bd985e9eb6483be2dcc6d3e4a369c4698aed6c6388f812edbded513d7802ccd0"`
[INFO] running `"docker" "rm" "-f" "bd985e9eb6483be2dcc6d3e4a369c4698aed6c6388f812edbded513d7802ccd0"`
[INFO] [stdout] bd985e9eb6483be2dcc6d3e4a369c4698aed6c6388f812edbded513d7802ccd0