[INFO] cloning repository https://github.com/shine00chang/Cilantro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shine00chang/Cilantro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FCilantro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FCilantro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e48637176ef1b198c1aaf660351e0c06f4ad5a5
[INFO] checking shine00chang/Cilantro against master#c3def263a44e07e09ae6d57abfc8650227fb4972 for pr-118916
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FCilantro" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shine00chang/Cilantro on toolchain c3def263a44e07e09ae6d57abfc8650227fb4972
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shine00chang/Cilantro
[INFO] finished tweaking git repo https://github.com/shine00chang/Cilantro
[INFO] tweaked toml for git repo https://github.com/shine00chang/Cilantro written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shine00chang/Cilantro 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" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e343960e27d09f7cbe5b3d3c824348746482b4e297bbdfb81ed1a03a90c8401a
[INFO] running `Command { std: "docker" "start" "-a" "e343960e27d09f7cbe5b3d3c824348746482b4e297bbdfb81ed1a03a90c8401a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e343960e27d09f7cbe5b3d3c824348746482b4e297bbdfb81ed1a03a90c8401a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e343960e27d09f7cbe5b3d3c824348746482b4e297bbdfb81ed1a03a90c8401a", kill_on_drop: false }`
[INFO] [stdout] e343960e27d09f7cbe5b3d3c824348746482b4e297bbdfb81ed1a03a90c8401a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+c3def263a44e07e09ae6d57abfc8650227fb4972" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28317c94fcd658ac2820991e01555a3735d522a10d6e1198aa7b2482d1e1b583
[INFO] running `Command { std: "docker" "start" "-a" "28317c94fcd658ac2820991e01555a3735d522a10d6e1198aa7b2482d1e1b583", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/semantics/extract.rs:205:21
[INFO] [stdout]     |
[INFO] [stdout] 205 |                     i += 1;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/semantics/extract.rs:205:21
[INFO] [stdout]     |
[INFO] [stdout] 205 |                     i += 1;
[INFO] [stdout]     |                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/visualizer.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn fmt (&self, source: &String) -> Result<String, fmt::Error> {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source`
[INFO] [stdout]    --> src/visualizer.rs:119:20
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn fmt (&self, source: &String) -> Result<String, fmt::Error> {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_stacks` is never used
[INFO] [stdout]    --> src/parser.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn print_stacks (l: &Vec<(Elem, usize)>, r: &Vec<Elem>) -> Result<String, std::fmt::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/parser/table.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Item {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn print(&self, prods: &Productions) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/parser/table.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 83  | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn print (&self, prods: &Productions) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/parser/table.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl States {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn print (&self, prods: &Productions) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `msg` and `start` are never read
[INFO] [stdout]  --> src/semantics/scope.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ScopeError {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     msg: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     start: usize
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_g` is never used
[INFO] [stdout]   --> src/codegen.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Prog {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn push_g (&mut self, s: &str) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_table` is never used
[INFO] [stdout]    --> src/visualizer.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 | pub fn print_table (table: &ParseTable) -> Result<String, std::fmt::Error> { 
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_test` is never used
[INFO] [stdout]   --> src/parser.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<'a> Parser<'a> {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn new_test (tokens: Tokens, source: &'a str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_stacks` is never used
[INFO] [stdout]    --> src/parser.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn print_stacks (l: &Vec<(Elem, usize)>, r: &Vec<Elem>) -> Result<String, std::fmt::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> src/parser/table.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Item {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn print(&self, prods: &Productions) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/parser/table.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 83  | impl State {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn print (&self, prods: &Productions) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/parser/table.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl States {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn print (&self, prods: &Productions) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `msg` and `start` are never read
[INFO] [stdout]  --> src/semantics/scope.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ScopeError {
[INFO] [stdout]   |            ---------- fields in this struct
[INFO] [stdout] 6 |     msg: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     start: usize
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_g` is never used
[INFO] [stdout]   --> src/codegen.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Prog {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn push_g (&mut self, s: &str) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_table` is never used
[INFO] [stdout]    --> src/visualizer.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 | pub fn print_table (table: &ParseTable) -> Result<String, std::fmt::Error> { 
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.61s
[INFO] running `Command { std: "docker" "inspect" "28317c94fcd658ac2820991e01555a3735d522a10d6e1198aa7b2482d1e1b583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28317c94fcd658ac2820991e01555a3735d522a10d6e1198aa7b2482d1e1b583", kill_on_drop: false }`
[INFO] [stdout] 28317c94fcd658ac2820991e01555a3735d522a10d6e1198aa7b2482d1e1b583