[INFO] cloning repository https://github.com/Amejonah1200/aplang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amejonah1200/aplang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmejonah1200%2Faplang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmejonah1200%2Faplang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1698ddc7ae8bf5fbb40f2fbf75e4034c544a446a
[INFO] checking Amejonah1200/aplang against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmejonah1200%2Faplang" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Amejonah1200/aplang on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Amejonah1200/aplang
[INFO] finished tweaking git repo https://github.com/Amejonah1200/aplang
[INFO] tweaked toml for git repo https://github.com/Amejonah1200/aplang written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Amejonah1200/aplang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f30043b83a96d16ad5cb45cc7cce0243aba825775663420d770521d53d20d09
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f30043b83a96d16ad5cb45cc7cce0243aba825775663420d770521d53d20d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f30043b83a96d16ad5cb45cc7cce0243aba825775663420d770521d53d20d09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f30043b83a96d16ad5cb45cc7cce0243aba825775663420d770521d53d20d09", kill_on_drop: false }`
[INFO] [stdout] 1f30043b83a96d16ad5cb45cc7cce0243aba825775663420d770521d53d20d09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f433e9d83b1ff76ad2d73cc1a34c6afaa520e173d691c7fd570442676d7814b
[INFO] running `Command { std: "docker" "start" "-a" "7f433e9d83b1ff76ad2d73cc1a34c6afaa520e173d691c7fd570442676d7814b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking aplang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/scanner/scanner.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn new(tokens_in: &'a Vec<T>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_search_predicate`
[INFO] [stdout]   --> src/scanner/scanner.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn peek_search_predicate(&mut self, predicate: BoxPredicate<T>) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_adv`
[INFO] [stdout]   --> src/scanner/scanner.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |   pub fn peek_adv(&mut self, nb: usize) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is_eof`
[INFO] [stdout]   --> src/scanner/scanner.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn peek_is_eof(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos_reset`
[INFO] [stdout]    --> src/scanner/scanner.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 105 |   pub fn pos_reset(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos_is_eof`
[INFO] [stdout]    --> src/scanner/scanner.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |   pub fn pos_is_eof(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_chars`
[INFO] [stdout]    --> src/scanner/scanner.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 |   pub fn consume_chars(&mut self, nb: usize, fail_on_not_reach: bool) -> Option<std::string::String> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_chars`
[INFO] [stdout]    --> src/scanner/scanner.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |   pub fn peek_chars(&mut self, nb: usize, fail_on_not_reach: bool) -> Option<std::string::String> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_search_chars`
[INFO] [stdout]    --> src/scanner/scanner.rs:189:10
[INFO] [stdout]     |
[INFO] [stdout] 189 |   pub fn peek_search_chars(&mut self, predicate: BoxPredicate<char>) -> std::string::String {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]    --> src/scanner/token.rs:147:3
[INFO] [stdout]     |
[INFO] [stdout] 147 |   Word(String),
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]    --> src/scanner/token.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 |   EOF,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/scanner/scanner.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |   pub fn new(tokens_in: &'a Vec<T>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_search_predicate`
[INFO] [stdout]   --> src/scanner/scanner.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn peek_search_predicate(&mut self, predicate: BoxPredicate<T>) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_adv`
[INFO] [stdout]   --> src/scanner/scanner.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 |   pub fn peek_adv(&mut self, nb: usize) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_is_eof`
[INFO] [stdout]   --> src/scanner/scanner.rs:82:10
[INFO] [stdout]    |
[INFO] [stdout] 82 |   pub fn peek_is_eof(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos_reset`
[INFO] [stdout]    --> src/scanner/scanner.rs:105:10
[INFO] [stdout]     |
[INFO] [stdout] 105 |   pub fn pos_reset(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pos_is_eof`
[INFO] [stdout]    --> src/scanner/scanner.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |   pub fn pos_is_eof(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `consume_chars`
[INFO] [stdout]    --> src/scanner/scanner.rs:160:10
[INFO] [stdout]     |
[INFO] [stdout] 160 |   pub fn consume_chars(&mut self, nb: usize, fail_on_not_reach: bool) -> Option<std::string::String> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_chars`
[INFO] [stdout]    --> src/scanner/scanner.rs:171:10
[INFO] [stdout]     |
[INFO] [stdout] 171 |   pub fn peek_chars(&mut self, nb: usize, fail_on_not_reach: bool) -> Option<std::string::String> {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_search_chars`
[INFO] [stdout]    --> src/scanner/scanner.rs:189:10
[INFO] [stdout]     |
[INFO] [stdout] 189 |   pub fn peek_search_chars(&mut self, predicate: BoxPredicate<char>) -> std::string::String {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Word`
[INFO] [stdout]    --> src/scanner/token.rs:147:3
[INFO] [stdout]     |
[INFO] [stdout] 147 |   Word(String),
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `EOF`
[INFO] [stdout]    --> src/scanner/token.rs:155:3
[INFO] [stdout]     |
[INFO] [stdout] 155 |   EOF,
[INFO] [stdout]     |   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.73s
[INFO] running `Command { std: "docker" "inspect" "7f433e9d83b1ff76ad2d73cc1a34c6afaa520e173d691c7fd570442676d7814b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f433e9d83b1ff76ad2d73cc1a34c6afaa520e173d691c7fd570442676d7814b", kill_on_drop: false }`
[INFO] [stdout] 7f433e9d83b1ff76ad2d73cc1a34c6afaa520e173d691c7fd570442676d7814b