[INFO] cloning repository https://github.com/iptq/pgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iptq/pgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fpgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fpgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50433781d345b2f8cf798871e59a4c1b91acc72d
[INFO] testing iptq/pgen against try#ed7f3d77595b4831fdf085f2529aa13b5b51ff7d for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Fpgen" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/pgen on toolchain ed7f3d77595b4831fdf085f2529aa13b5b51ff7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iptq/pgen
[INFO] finished tweaking git repo https://github.com/iptq/pgen
[INFO] tweaked toml for git repo https://github.com/iptq/pgen written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/iptq/pgen 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" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.11
[INFO] [stderr]   Downloaded thiserror v1.0.11
[INFO] [stderr]   Downloaded bstr v0.2.11
[INFO] [stderr]   Downloaded proptest v0.9.5
[INFO] [stderr]   Downloaded symbol v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b6a22e4840083a065cda8ab71af049ec7f7e4634705f34b065f28fc522f9ed0
[INFO] running `Command { std: "docker" "start" "-a" "2b6a22e4840083a065cda8ab71af049ec7f7e4634705f34b065f28fc522f9ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b6a22e4840083a065cda8ab71af049ec7f7e4634705f34b065f28fc522f9ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6a22e4840083a065cda8ab71af049ec7f7e4634705f34b065f28fc522f9ed0", kill_on_drop: false }`
[INFO] [stdout] 2b6a22e4840083a065cda8ab71af049ec7f7e4634705f34b065f28fc522f9ed0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b609969d1e120b007ee68b65c0a477eff98cf815721329e4c7f5a5edb20bdf78
[INFO] running `Command { std: "docker" "start" "-a" "b609969d1e120b007ee68b65c0a477eff98cf815721329e4c7f5a5edb20bdf78", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling spin v0.4.10
[INFO] [stderr]    Compiling ordmap v0.1.0 (/opt/rustwide/workdir/ordmap)
[INFO] [stdout] warning: unused variable: `boxed`
[INFO] [stdout]    --> ordmap/src/lib.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let boxed = unsafe { Box::from_raw(node_ptr) };
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling symbol v0.1.7
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling pgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/grammar.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/grammar.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let items = {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/grammar.rs:406:14
[INFO] [stdout]     |
[INFO] [stdout] 406 |         for (i, item_set) in self.canonical_collection.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for (i, (action, _)) in self.table_iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for (i, (_, goto)) in self.table_iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gotos`
[INFO] [stdout]    --> src/parser.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 let (actions, gotos) = &self.table.0[state];
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_gotos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/grammar.rs:441:49
[INFO] [stdout]     |
[INFO] [stdout] 441 |     fn goto(&self, item_set: BTreeSet<LR0Item>, X: Symbol) -> BTreeSet<LR0Item> {
[INFO] [stdout]     |                                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pgen::Grammar`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pgen::Grammar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pgen::Parser`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pgen::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.93s
[INFO] running `Command { std: "docker" "inspect" "b609969d1e120b007ee68b65c0a477eff98cf815721329e4c7f5a5edb20bdf78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b609969d1e120b007ee68b65c0a477eff98cf815721329e4c7f5a5edb20bdf78", kill_on_drop: false }`
[INFO] [stdout] b609969d1e120b007ee68b65c0a477eff98cf815721329e4c7f5a5edb20bdf78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3ea7e900feef4c6f64ba9f959653f0a2d7c0941fe68bae8bbca4f0d0e3630c2
[INFO] running `Command { std: "docker" "start" "-a" "f3ea7e900feef4c6f64ba9f959653f0a2d7c0941fe68bae8bbca4f0d0e3630c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stdout] warning: unused variable: `boxed`
[INFO] [stdout]    --> ordmap/src/lib.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |             let boxed = unsafe { Box::from_raw(node_ptr) };
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/grammar.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/grammar.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let items = {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/grammar.rs:406:14
[INFO] [stdout]     |
[INFO] [stdout] 406 |         for (i, item_set) in self.canonical_collection.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for (i, (action, _)) in self.table_iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for (i, (_, goto)) in self.table_iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gotos`
[INFO] [stdout]    --> src/parser.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 let (actions, gotos) = &self.table.0[state];
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_gotos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/grammar.rs:441:49
[INFO] [stdout]     |
[INFO] [stdout] 441 |     fn goto(&self, item_set: BTreeSet<LR0Item>, X: Symbol) -> BTreeSet<LR0Item> {
[INFO] [stdout]     |                                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.5
[INFO] [stderr]    Compiling pgen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pgen::Grammar`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pgen::Grammar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pgen::Parser`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pgen::Parser;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/grammar.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `items`
[INFO] [stdout]   --> src/grammar.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let items = {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/grammar.rs:406:14
[INFO] [stdout]     |
[INFO] [stdout] 406 |         for (i, item_set) in self.canonical_collection.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |         for (i, (action, _)) in self.table_iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/parser.rs:83:14
[INFO] [stdout]    |
[INFO] [stdout] 83 |         for (i, (_, goto)) in self.table_iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gotos`
[INFO] [stdout]    --> src/parser.rs:172:31
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 let (actions, gotos) = &self.table.0[state];
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_gotos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]    --> src/grammar.rs:441:49
[INFO] [stdout]     |
[INFO] [stdout] 441 |     fn goto(&self, item_set: BTreeSet<LR0Item>, X: Symbol) -> BTreeSet<LR0Item> {
[INFO] [stdout]     |                                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "f3ea7e900feef4c6f64ba9f959653f0a2d7c0941fe68bae8bbca4f0d0e3630c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3ea7e900feef4c6f64ba9f959653f0a2d7c0941fe68bae8bbca4f0d0e3630c2", kill_on_drop: false }`
[INFO] [stdout] f3ea7e900feef4c6f64ba9f959653f0a2d7c0941fe68bae8bbca4f0d0e3630c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ed7f3d77595b4831fdf085f2529aa13b5b51ff7d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15fa9fddb5eabcdfbb98ddce8548826cac16a55b9e621c164359187b84f57aab
[INFO] running `Command { std: "docker" "start" "-a" "15fa9fddb5eabcdfbb98ddce8548826cac16a55b9e621c164359187b84f57aab", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `boxed`
[INFO] [stderr]    --> ordmap/src/lib.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |             let boxed = unsafe { Box::from_raw(node_ptr) };
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_boxed`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ordmap` (lib) generated 1 warning
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/grammar.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `items`
[INFO] [stderr]   --> src/grammar.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let items = {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_items`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/grammar.rs:406:14
[INFO] [stderr]     |
[INFO] [stderr] 406 |         for (i, item_set) in self.canonical_collection.iter().enumerate() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parser.rs:68:14
[INFO] [stderr]    |
[INFO] [stderr] 68 |         for (i, (action, _)) in self.table_iter() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parser.rs:83:14
[INFO] [stderr]    |
[INFO] [stderr] 83 |         for (i, (_, goto)) in self.table_iter() {
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `gotos`
[INFO] [stderr]    --> src/parser.rs:172:31
[INFO] [stderr]     |
[INFO] [stderr] 172 |                 let (actions, gotos) = &self.table.0[state];
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_gotos`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X` should have a snake case name
[INFO] [stderr]    --> src/grammar.rs:441:49
[INFO] [stderr]     |
[INFO] [stderr] 441 |     fn goto(&self, item_set: BTreeSet<LR0Item>, X: Symbol) -> BTreeSet<LR0Item> {
[INFO] [stderr]     |                                                 ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pgen` (lib) generated 7 warnings
[INFO] [stderr] warning: unused import: `pgen::Grammar`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use pgen::Grammar;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pgen::Parser`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use pgen::Parser;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pgen` (bin "pgen" test) generated 2 warnings (run `cargo fix --bin "pgen" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `pgen` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pgen-b2d8a5788467edae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pgen-c26135f0ba4db190)
[INFO] [stdout] test grammar::tests::test_arith_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pgen
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15fa9fddb5eabcdfbb98ddce8548826cac16a55b9e621c164359187b84f57aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15fa9fddb5eabcdfbb98ddce8548826cac16a55b9e621c164359187b84f57aab", kill_on_drop: false }`
[INFO] [stdout] 15fa9fddb5eabcdfbb98ddce8548826cac16a55b9e621c164359187b84f57aab