[INFO] cloning repository https://github.com/benjcollins/scripting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjcollins/scripting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d80af3bae1f7d578040342c890f06adf654ad8c
[INFO] testing benjcollins/scripting against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benjcollins/scripting
[INFO] finished tweaking git repo https://github.com/benjcollins/scripting
[INFO] tweaked toml for git repo https://github.com/benjcollins/scripting written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjcollins/scripting on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benjcollins/scripting 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing benjcollins/scripting against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fscripting" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/benjcollins/scripting
[INFO] finished tweaking git repo https://github.com/benjcollins/scripting
[INFO] tweaked toml for git repo https://github.com/benjcollins/scripting written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/benjcollins/scripting on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/benjcollins/scripting 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4443e153dbabf00539f91ae857333b270d1e415e87e62c587031ba55b92c864
[INFO] running `Command { std: "docker" "start" "-a" "b4443e153dbabf00539f91ae857333b270d1e415e87e62c587031ba55b92c864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4443e153dbabf00539f91ae857333b270d1e415e87e62c587031ba55b92c864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4443e153dbabf00539f91ae857333b270d1e415e87e62c587031ba55b92c864", kill_on_drop: false }`
[INFO] [stdout] b4443e153dbabf00539f91ae857333b270d1e415e87e62c587031ba55b92c864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8100219ea5c246c09d5501dcb09272734378e5f04535cf3afac31ba726d295bc
[INFO] running `Command { std: "docker" "start" "-a" "8100219ea5c246c09d5501dcb09272734378e5f04535cf3afac31ba726d295bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]    Compiling num_enum v0.5.4
[INFO] [stderr]    Compiling scripting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]    --> src/func.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | struct Reader<'bytecode> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_bytes` is never used
[INFO] [stdout]    --> src/func.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'bytecode> Reader<'bytecode> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 175 |     fn take_bytes(&mut self, n: usize) -> &'bytecode [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DispFunc` is never constructed
[INFO] [stdout]    --> src/func.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct DispFunc<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/func.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 188 | impl<'a> DispFunc<'a> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 189 |     pub fn new(func: &'a Func, symbols: &'a Symbols) -> DispFunc<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/lexer.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer {
[INFO] [stdout]   |                         ^^^^         ----- the lifetime gets resolved as `'src`
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'src`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer<'src> {
[INFO] [stdout]   |                                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/heap.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<T> {
[INFO] [stdout]     |                 ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/heap.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<T> {
[INFO] [stdout]     |                     ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<'_, T> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.89s
[INFO] running `Command { std: "docker" "inspect" "8100219ea5c246c09d5501dcb09272734378e5f04535cf3afac31ba726d295bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8100219ea5c246c09d5501dcb09272734378e5f04535cf3afac31ba726d295bc", kill_on_drop: false }`
[INFO] [stdout] 8100219ea5c246c09d5501dcb09272734378e5f04535cf3afac31ba726d295bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aee2524c08a2eb04ad8c9f0f8455aa59ab3fd3b5d8342d6f41f650be860fcac
[INFO] running `Command { std: "docker" "start" "-a" "8aee2524c08a2eb04ad8c9f0f8455aa59ab3fd3b5d8342d6f41f650be860fcac", kill_on_drop: false }`
[INFO] [stderr]    Compiling scripting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]    --> src/func.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 | struct Reader<'bytecode> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `take_bytes` is never used
[INFO] [stdout]    --> src/func.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | impl<'bytecode> Reader<'bytecode> {
[INFO] [stdout]     | --------------------------------- method in this implementation
[INFO] [stdout] 175 |     fn take_bytes(&mut self, n: usize) -> &'bytecode [u8] {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DispFunc` is never constructed
[INFO] [stdout]    --> src/func.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | pub struct DispFunc<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/func.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 188 | impl<'a> DispFunc<'a> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] 189 |     pub fn new(func: &'a Func, symbols: &'a Symbols) -> DispFunc<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]  --> src/lexer.rs:9:25
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer {
[INFO] [stdout]   |                         ^^^^         ----- the lifetime gets resolved as `'src`
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         this lifetime flows to the output
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'src`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(source: &'src str) -> Lexer<'src> {
[INFO] [stdout]   |                                           ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/heap.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<T> {
[INFO] [stdout]     |                 ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub fn iter(&self) -> HeapSliceIter<'_, T> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/heap.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<T> {
[INFO] [stdout]     |                     ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<'_, T> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "8aee2524c08a2eb04ad8c9f0f8455aa59ab3fd3b5d8342d6f41f650be860fcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aee2524c08a2eb04ad8c9f0f8455aa59ab3fd3b5d8342d6f41f650be860fcac", kill_on_drop: false }`
[INFO] [stdout] 8aee2524c08a2eb04ad8c9f0f8455aa59ab3fd3b5d8342d6f41f650be860fcac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f5c182475aa8a7ff0d5e12d0a70d0a5dccaed54588327155c7423c5c70728e51
[INFO] running `Command { std: "docker" "start" "-a" "f5c182475aa8a7ff0d5e12d0a70d0a5dccaed54588327155c7423c5c70728e51", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Reader` is never constructed
[INFO] [stderr]    --> src/func.rs:169:8
[INFO] [stderr]     |
[INFO] [stderr] 169 | struct Reader<'bytecode> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `take_bytes` is never used
[INFO] [stderr]    --> src/func.rs:175:8
[INFO] [stderr]     |
[INFO] [stderr] 174 | impl<'bytecode> Reader<'bytecode> {
[INFO] [stderr]     | --------------------------------- method in this implementation
[INFO] [stderr] 175 |     fn take_bytes(&mut self, n: usize) -> &'bytecode [u8] {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DispFunc` is never constructed
[INFO] [stderr]    --> src/func.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 | pub struct DispFunc<'a> {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/func.rs:189:12
[INFO] [stderr]     |
[INFO] [stderr] 188 | impl<'a> DispFunc<'a> {
[INFO] [stderr]     | --------------------- associated function in this implementation
[INFO] [stderr] 189 |     pub fn new(func: &'a Func, symbols: &'a Symbols) -> DispFunc<'a> {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]  --> src/lexer.rs:9:25
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(source: &'src str) -> Lexer {
[INFO] [stderr]   |                         ^^^^         ----- the lifetime gets resolved as `'src`
[INFO] [stderr]   |                         |
[INFO] [stderr]   |                         this lifetime flows to the output
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'src`
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(source: &'src str) -> Lexer<'src> {
[INFO] [stderr]   |                                           ++++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/heap.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn iter(&self) -> HeapSliceIter<T> {
[INFO] [stderr]     |                 ^^^^^     ---------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 103 |     pub fn iter(&self) -> HeapSliceIter<'_, T> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/heap.rs:106:21
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<T> {
[INFO] [stderr]     |                     ^^^^^     ------------------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn iter_mut(&self) -> HeapSliceIterMut<'_, T> {
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `scripting` (bin "scripting" test) generated 7 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/scripting-e3d050165b6389af)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5c182475aa8a7ff0d5e12d0a70d0a5dccaed54588327155c7423c5c70728e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c182475aa8a7ff0d5e12d0a70d0a5dccaed54588327155c7423c5c70728e51", kill_on_drop: false }`
[INFO] [stdout] f5c182475aa8a7ff0d5e12d0a70d0a5dccaed54588327155c7423c5c70728e51
