[INFO] cloning repository https://github.com/scileo/lysbeth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scileo/lysbeth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscileo%2Flysbeth"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscileo%2Flysbeth'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4b3bad293db5dd87df7112f3ddaf0d1e758c73d4
[INFO] checking scileo/lysbeth against try#96b3c169cd2d8959926fa240f10342f1659f8ae3 for pr-71896
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscileo%2Flysbeth" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scileo/lysbeth on toolchain 96b3c169cd2d8959926fa240f10342f1659f8ae3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/scileo/lysbeth
[INFO] finished tweaking git repo https://github.com/scileo/lysbeth
[INFO] tweaked toml for git repo https://github.com/scileo/lysbeth written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/scileo/lysbeth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+96b3c169cd2d8959926fa240f10342f1659f8ae3" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5db6a40e89e729894e633f255277efd5ead5f0bb379ba1c36a2aa575cd46e01d
[INFO] running `"docker" "start" "-a" "5db6a40e89e729894e633f255277efd5ead5f0bb379ba1c36a2aa575cd46e01d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]     Checking lysbeth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `next_line`
[INFO] [stderr]   --> src/parsing/context.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub(crate) fn next_line(&self) -> Position {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_trace`
[INFO] [stderr]   --> src/parsing/result.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn with_trace<F: FnOnce() -> Rc<dyn Cause>>(self, f: F) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Success`
[INFO] [stderr]    --> src/parsing/result.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Success,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Recoverable`
[INFO] [stderr]    --> src/parsing/result.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     Recoverable,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unrecoverable`
[INFO] [stderr]    --> src/parsing/result.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     Unrecoverable,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_trace`
[INFO] [stderr]    --> src/parsing/result.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn with_trace<F: FnOnce() -> Rc<dyn Cause>>(mut self, f: F) -> ParsingResult<'a, T> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_success`
[INFO] [stderr]    --> src/parsing/result.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn is_success(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_recoverable`
[INFO] [stderr]    --> src/parsing/result.rs:199:5
[INFO] [stderr]     |
[INFO] [stderr] 199 |     pub fn is_recoverable(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_unrecoverable`
[INFO] [stderr]    --> src/parsing/result.rs:206:5
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn is_unrecoverable(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `state`
[INFO] [stderr]    --> src/parsing/result.rs:235:5
[INFO] [stderr]     |
[INFO] [stderr] 235 |     pub fn state(&self) -> ParsingResultState {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TopLevel`
[INFO] [stderr]   --> src/parsing/symbols.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     TopLevel(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Variable`
[INFO] [stderr]   --> src/parsing/symbols.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Variable(usize),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/parsing/symbols.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn new(father: Option<&'a SymbolTable>) -> SymbolTable<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_root`
[INFO] [stderr]   --> src/parsing/symbols.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn is_root(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_symbol`
[INFO] [stderr]   --> src/parsing/symbols.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn add_symbol(&mut self, name: &str, id: usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/parsing/symbols.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn get(&self, name: &str) -> Option<SymbolRef> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_or_toplevel`
[INFO] [stderr]   --> src/parsing/symbols.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn get_or_toplevel(&self, name: &str, replacement_id: usize) -> (SymbolRef, bool) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `make_symbol_ref`
[INFO] [stderr]   --> src/parsing/symbols.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     fn make_symbol_ref(&self, id: usize) -> SymbolRef {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/parsing/symbols.rs:110:5
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn new() -> ReferenceMap {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push_top_level`
[INFO] [stderr]    --> src/parsing/symbols.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     fn push_top_level(&mut self, symbol: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `push_variables`
[INFO] [stderr]    --> src/parsing/symbols.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn push_variables(&mut self, symbol: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_top_level`
[INFO] [stderr]    --> src/parsing/symbols.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn add_top_level(&mut self, symbol: &str) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_top_level_wrapped`
[INFO] [stderr]    --> src/parsing/symbols.rs:139:5
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn add_top_level_wrapped(&mut self, symbol: &str) -> SymbolRef {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_variable`
[INFO] [stderr]    --> src/parsing/symbols.rs:146:5
[INFO] [stderr]     |
[INFO] [stderr] 146 |     fn add_variable(&mut self, symbol: &str) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_variable_wrapped`
[INFO] [stderr]    --> src/parsing/symbols.rs:154:5
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn add_variable_wrapped(&mut self, symbol: &str) -> SymbolRef {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_tl_id`
[INFO] [stderr]    --> src/parsing/symbols.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn next_tl_id(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next_var_id`
[INFO] [stderr]    --> src/parsing/symbols.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     fn next_var_id(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/parsing/symbols.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn new() -> FunctionDeps {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_vec`
[INFO] [stderr]    --> src/parsing/symbols.rs:185:5
[INFO] [stderr]     |
[INFO] [stderr] 185 |     fn from_vec(deps: Vec<usize>) -> FunctionDeps {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mark_as_defined`
[INFO] [stderr]    --> src/parsing/symbols.rs:193:5
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn mark_as_defined(&mut self, id: usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_usable`
[INFO] [stderr]    --> src/parsing/symbols.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     fn is_usable(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 31 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.19s
[INFO] running `"docker" "inspect" "5db6a40e89e729894e633f255277efd5ead5f0bb379ba1c36a2aa575cd46e01d"`
[INFO] running `"docker" "rm" "-f" "5db6a40e89e729894e633f255277efd5ead5f0bb379ba1c36a2aa575cd46e01d"`
[INFO] [stdout] 5db6a40e89e729894e633f255277efd5ead5f0bb379ba1c36a2aa575cd46e01d