[INFO] cloning repository https://github.com/vincent-163/lambda-calculus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincent-163/lambda-calculus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-163%2Flambda-calculus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-163%2Flambda-calculus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 361fb3b696b796fc95a949c300ab50cc208f869f
[INFO] checking vincent-163/lambda-calculus against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincent-163%2Flambda-calculus" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vincent-163/lambda-calculus on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vincent-163/lambda-calculus
[INFO] finished tweaking git repo https://github.com/vincent-163/lambda-calculus
[INFO] tweaked toml for git repo https://github.com/vincent-163/lambda-calculus written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vincent-163/lambda-calculus 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34eaabc56c66dd58c117c1643b7ebf30b31bcef6e1ef15c76df8f3b8c80819f
[INFO] running `Command { std: "docker" "start" "-a" "a34eaabc56c66dd58c117c1643b7ebf30b31bcef6e1ef15c76df8f3b8c80819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34eaabc56c66dd58c117c1643b7ebf30b31bcef6e1ef15c76df8f3b8c80819f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34eaabc56c66dd58c117c1643b7ebf30b31bcef6e1ef15c76df8f3b8c80819f", kill_on_drop: false }`
[INFO] [stdout] a34eaabc56c66dd58c117c1643b7ebf30b31bcef6e1ef15c76df8f3b8c80819f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d9a3decaa3b5f7961c90257c42dd1bb01961875c42c9fd29d24ac0c40c6d410
[INFO] running `Command { std: "docker" "start" "-a" "6d9a3decaa3b5f7961c90257c42dd1bb01961875c42c9fd29d24ac0c40c6d410", kill_on_drop: false }`
[INFO] [stderr]     Checking coc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/coc-da1b132b2725c939/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `Token`
[INFO] [stdout]  --> src/d_coc_main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use d_coc::{Token, PartialTerm, next_token, TermTree};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `c_coc::TermParser`
[INFO] [stdout]  --> src/c_coc_main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use c_coc::{Token, TermParser, next_token};
[INFO] [stdout]   |                    ^^^^^^^^^^ no `TermParser` in `c_coc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/a_lambda_main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `goal`
[INFO] [stdout]    --> src/d_coc.rs:337:13
[INFO] [stdout]     |
[INFO] [stdout] 337 |             goal,
[INFO] [stdout]     |             ^^^^ help: try ignoring the field: `goal: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_parser`
[INFO] [stdout]   --> src/d_coc_main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let prev_parser = parser.clone();
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bod`
[INFO] [stdout]   --> src/d_coc_main.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let (typ, bod) = test(proof).unwrap();
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_bod`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ctx` and `goal` are never used
[INFO] [stdout]    --> src/d_coc.rs:257:12
[INFO] [stdout]     |
[INFO] [stdout] 253 | impl PartialTerm {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 257 |     pub fn ctx(&self) -> Context {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn goal(&self) -> Option<Arc<TermTree>> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `proof` should have an upper case name
[INFO] [stdout]  --> src/d_coc_main.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const proof: &'static str = "λ#λa;λ∀b;c;λ∀c;∀d;#λ∀d;%%b;a;a;λ∀e;∀f;∀g;∀%%e;c;b;∀%%f;c;b;%%g;e;c;λ∀f;∀g;∀%%e;%f;b;%f;a;%%f;c;b;λ∀g;∀#∀%%f;...
[INFO] [stdout]   |       ^^^^^ help: convert the identifier to upper case: `PROOF`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `fun` in this scope
[INFO] [stdout]    --> src/c_coc.rs:291:36
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 let (funt, funv) = fun;
[INFO] [stdout]     |                                    ^^^ help: a local variable with a similar name exists: `funt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TermTreeLazy`
[INFO] [stdout]    --> src/c_coc.rs:293:24
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 if let TermTreeLazy::FOR(funt) = Deref::deref(funt) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^ use of undeclared type `TermTreeLazy`
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 293 |                 if let TermTree::FOR(funt) = Deref::deref(funt) {
[INFO] [stdout]     |                        ~~~~~~~~
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::b_coc::TermTreeLazy;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `cur` in this scope
[INFO] [stdout]    --> src/c_coc.rs:294:51
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     if check(&funt.typ, &top.typ, cur.next_ctx.id()) {
[INFO] [stdout]     |                                                   ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TermTreeLazy`
[INFO] [stdout]    --> src/c_coc.rs:295:42
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         let val = if let TermTreeLazy::LAM(funv) = Deref::deref(funv) {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^ use of undeclared type `TermTreeLazy`
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         let val = if let TermTree::LAM(funv) = Deref::deref(funv) {
[INFO] [stdout]     |                                          ~~~~~~~~
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::b_coc::TermTreeLazy;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `TermTreeLazy`
[INFO] [stdout]    --> src/c_coc.rs:298:38
[INFO] [stdout]     |
[INFO] [stdout] 298 | ...                   Arc::new(TermTreeLazy::APP(funv.clone(), argv.clone()))
[INFO] [stdout]     |                                ^^^^^^^^^^^^ use of undeclared type `TermTreeLazy`
[INFO] [stdout]     |
[INFO] [stdout] help: an enum with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 298 |                             Arc::new(TermTree::APP(funv.clone(), argv.clone()))
[INFO] [stdout]     |                                      ~~~~~~~~
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]     |
[INFO] [stdout] 1   + use crate::b_coc::TermTreeLazy;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/a_lambda_main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     for i in 0..x {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/a_lambda_main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     for i in 0..15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coc` (bin "a_lambda_main" test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/bin/rustc --crate-name a_lambda_main --edition=2021 src/a_lambda_main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=1931a6f2c1e0fbaf -C extra-filename=-1931a6f2c1e0fbaf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/a_lambda_main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/d_coc_main-9bd16ed71b7f6d40.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/coc-9bd16ed71b7f6d40/dep-bin-d_coc_main`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] error[E0432]: unresolved import `c_coc::TermParser`
[INFO] [stdout]  --> src/c_coc_main.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use c_coc::{Token, TermParser, next_token};
[INFO] [stdout]   |                    ^^^^^^^^^^ no `TermParser` in `c_coc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/b_coc.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 (next.get(i-1, mode))
[INFO] [stdout]     |                 ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -                 (next.get(i-1, mode))
[INFO] [stdout] 101 +                 next.get(i-1, mode)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/b_coc.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 (next.get(i-1, mode))
[INFO] [stdout]     |                 ^                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -                 (next.get(i-1, mode))
[INFO] [stdout] 101 +                 next.get(i-1, mode)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coc` (bin "a_lambda_main"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/bin/rustc --crate-name a_lambda_main --edition=2021 src/a_lambda_main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=49ed93f4734c2eaa -C extra-filename=-49ed93f4734c2eaa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/b_coc.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn extend(self: &Arc<Self>, mut typ: Arc<TermTreeLazy>, bod: Arc<TermTreeLazy>) -> Arc<Context> {
[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: constant `proof` is never used
[INFO] [stdout]   --> src/b_coc_main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const proof: &'static str = "λ#λa;λ∀b;c;λ∀c;∀d;#λ∀d;%%b;a;a;λ∀e;∀f;∀g;∀%%e;c;b;∀%%f;c;b;%%g;e;c;λ∀f;∀g;∀%%e;%f;b;%f;a;%%f;c;b;λ∀g;∀#∀%%f;...
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SET`, `VAR`, `LAM`, `FOR`, and `APP` are never constructed
[INFO] [stdout]  --> src/b_coc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 5 |     SET,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     VAR(usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     LAM,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     FOR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     APP,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/b_coc.rs:124:37
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn extend(self: &Arc<Self>, mut typ: Arc<TermTreeLazy>, bod: Arc<TermTreeLazy>) -> Arc<Context> {
[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 `getboth` is never used
[INFO] [stdout]    --> src/b_coc.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn getboth(&self, i: usize) -> Option<(Arc<TermTreeLazy>, Arc<TermTreeLazy>)> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_tokens` is never used
[INFO] [stdout]    --> src/b_coc.rs:314:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl TermTree {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 314 |     pub fn iter_tokens(&self) -> impl Iterator<Item = Token> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `proof` is never used
[INFO] [stdout]   --> src/b_coc_main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const proof: &'static str = "λ#λa;λ∀b;c;λ∀c;∀d;#λ∀d;%%b;a;a;λ∀e;∀f;∀g;∀%%e;c;b;∀%%f;c;b;%%g;e;c;λ∀f;∀g;∀%%e;%f;b;%f;a;%%f;c;b;λ∀g;∀#∀%%f;...
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `SET`, `VAR`, `LAM`, `FOR`, and `APP` are never constructed
[INFO] [stdout]  --> src/b_coc.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Token {
[INFO] [stdout]   |          ----- variants in this enum
[INFO] [stdout] 5 |     SET,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     VAR(usize),
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     LAM,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     FOR,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     APP,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getboth` is never used
[INFO] [stdout]    --> src/b_coc.rs:106:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | impl Context {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn getboth(&self, i: usize) -> Option<(Arc<TermTreeLazy>, Arc<TermTreeLazy>)> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter_tokens` is never used
[INFO] [stdout]    --> src/b_coc.rs:314:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl TermTree {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 314 |     pub fn iter_tokens(&self) -> impl Iterator<Item = Token> + '_ {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coc` (bin "b_coc_main" test); 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/bin/rustc --crate-name b_coc_main --edition=2021 src/b_coc_main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=0bcee9b576f6158e -C extra-filename=-0bcee9b576f6158e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `coc` (bin "b_coc_main"); 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2277c63fa464d237b17b68d3b87f9fbb89e58a3e/bin/rustc --crate-name b_coc_main --edition=2021 src/b_coc_main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=2f830ea7e9900228 -C extra-filename=-2f830ea7e9900228 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] [stderr] error: could not compile `coc` (bin "c_coc_main") due to 6 previous errors
[INFO] [stderr] error: could not compile `coc` (bin "c_coc_main" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6d9a3decaa3b5f7961c90257c42dd1bb01961875c42c9fd29d24ac0c40c6d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9a3decaa3b5f7961c90257c42dd1bb01961875c42c9fd29d24ac0c40c6d410", kill_on_drop: false }`
[INFO] [stdout] 6d9a3decaa3b5f7961c90257c42dd1bb01961875c42c9fd29d24ac0c40c6d410