[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] ad4c65490b150fd2bae2495351faefe8343658b4
[INFO] checking shine00chang/Cilantro against master#19dd9535408db0f1ff3d16613619076aef524d19 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshine00chang%2FCilantro" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shine00chang/Cilantro on toolchain 19dd9535408db0f1ff3d16613619076aef524d19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "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-5-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" "+19dd9535408db0f1ff3d16613619076aef524d19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 218c4dc3a9f0eca4461102973c02b5f9747e3bdf811c5fd3bbc3fb0dbf4bef70
[INFO] running `Command { std: "docker" "start" "-a" "218c4dc3a9f0eca4461102973c02b5f9747e3bdf811c5fd3bbc3fb0dbf4bef70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "218c4dc3a9f0eca4461102973c02b5f9747e3bdf811c5fd3bbc3fb0dbf4bef70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218c4dc3a9f0eca4461102973c02b5f9747e3bdf811c5fd3bbc3fb0dbf4bef70", kill_on_drop: false }`
[INFO] [stdout] 218c4dc3a9f0eca4461102973c02b5f9747e3bdf811c5fd3bbc3fb0dbf4bef70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+19dd9535408db0f1ff3d16613619076aef524d19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b08ec39b978edf5f319579c8bca3df9c93df4a32a93948cc01eb53cc1f095967
[INFO] running `Command { std: "docker" "start" "-a" "b08ec39b978edf5f319579c8bca3df9c93df4a32a93948cc01eb53cc1f095967", kill_on_drop: false }`
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[INFO] [stderr]     Checking wasmtime-jit-debug v12.0.1
[INFO] [stderr]     Checking futures v0.3.28
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[INFO] [stderr]     Checking wasmtime-types v12.0.1
[INFO] [stderr]    Compiling witx v0.9.1
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[INFO] [stderr]    Compiling wiggle-macro v12.0.1
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[INFO] [stderr]     Checking wasmtime-jit v12.0.1
[INFO] [stderr]     Checking cranelift-native v0.99.1
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[INFO] [stderr]     Checking wasmtime-cranelift-shared v12.0.1
[INFO] [stderr]     Checking cranelift-wasm v0.99.1
[INFO] [stderr]     Checking wasmtime-cranelift v12.0.1
[INFO] [stderr]     Checking wasmtime v12.0.1
[INFO] [stderr]     Checking wiggle v12.0.1
[INFO] [stderr]     Checking wasi-cap-std-sync v12.0.1
[INFO] [stderr]     Checking cilantro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/cilantro/semantics/extract.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     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/cilantro/semantics/extract.rs:168:21
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     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: variable does not need to be mutable
[INFO] [stdout]   --> src/cilantro/semantics/type_check.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn type_check (mut self, table: &mut TypeTable) -> Result<(LElem, Type), TypeError> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/cilantro/semantics/type_check.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn type_check (mut self, table: &mut TypeTable) -> Result<(LElem, Type), TypeError> {
[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: method `end` is never used
[INFO] [stdout]    --> src/cilantro/common.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl LElem {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn end (&self) -> usize {
[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/cilantro/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/cilantro/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 `end` is never used
[INFO] [stdout]    --> src/cilantro/common.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 102 | impl LElem {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub fn end (&self) -> usize {
[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/cilantro/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: method `push_g` is never used
[INFO] [stdout]   --> src/cilantro/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: method `print` is never used
[INFO] [stdout]   --> src/cilantro/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: function `print_table` is never used
[INFO] [stdout]    --> src/cilantro/visualizer.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 | pub fn print_table (table: &ParseTable) -> Result<String, std::fmt::Error> { 
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]    --> src/cilantro/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/cilantro/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: method `push_g` is never used
[INFO] [stdout]   --> src/cilantro/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/cilantro/visualizer.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 | pub fn print_table (table: &ParseTable) -> Result<String, std::fmt::Error> { 
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.11s
[INFO] running `Command { std: "docker" "inspect" "b08ec39b978edf5f319579c8bca3df9c93df4a32a93948cc01eb53cc1f095967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08ec39b978edf5f319579c8bca3df9c93df4a32a93948cc01eb53cc1f095967", kill_on_drop: false }`
[INFO] [stdout] b08ec39b978edf5f319579c8bca3df9c93df4a32a93948cc01eb53cc1f095967