[INFO] cloning repository https://github.com/TrMen/RustLox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrMen/RustLox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrMen%2FRustLox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrMen%2FRustLox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e05374f043b964ab050f681e4a797ef198f0dd71
[INFO] checking TrMen/RustLox against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrMen%2FRustLox" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TrMen/RustLox on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TrMen/RustLox
[INFO] finished tweaking git repo https://github.com/TrMen/RustLox
[INFO] tweaked toml for git repo https://github.com/TrMen/RustLox written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/TrMen/RustLox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peekmore v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e33a5e90b2df6f9419cc060d439560dd1b9090f03c87bed00ef4c983a4d6dd
[INFO] running `Command { std: "docker" "start" "-a" "a9e33a5e90b2df6f9419cc060d439560dd1b9090f03c87bed00ef4c983a4d6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e33a5e90b2df6f9419cc060d439560dd1b9090f03c87bed00ef4c983a4d6dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e33a5e90b2df6f9419cc060d439560dd1b9090f03c87bed00ef4c983a4d6dd", kill_on_drop: false }`
[INFO] [stdout] a9e33a5e90b2df6f9419cc060d439560dd1b9090f03c87bed00ef4c983a4d6dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40de994cd98f6c56cae983bc5f1904b60c214fd391270fd378117ebd18956765
[INFO] running `Command { std: "docker" "start" "-a" "40de994cd98f6c56cae983bc5f1904b60c214fd391270fd378117ebd18956765", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking peekmore v1.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling variant_count v1.1.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking bytecode v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/value.rs (3 fixes)
[INFO] [stderr]        Fixed src/object.rs (1 fix)
[INFO] [stderr]        Fixed src/parser.rs (1 fix)
[INFO] [stderr]        Fixed src/vm.rs (2 fixes)
[INFO] [stderr]        Fixed src/scanner.rs (1 fix)
[INFO] [stderr]        Fixed src/compiler.rs (1 fix)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ => None,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: HashSet<String>,
[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: `compare_strings`
[INFO] [stdout]   --> src/value.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, _interned_strings: HashSet<ObjString>, _rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/value.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/value.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, _interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     strings: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ => None,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: HashSet<String>,
[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: `compare_strings`
[INFO] [stdout]   --> src/value.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, _interned_strings: HashSet<ObjString>, _rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/value.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/value.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, _interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     strings: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.18s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking bytecode v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ => None,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 _ => None,
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/value.rs:124:16
[INFO] [stdout]     |
[INFO] [stdout] 124 |             if let (Object::String(lhs), Object::String(rhs)) = (lhs.as_ref(), rhs.as_ref()) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: HashSet<String>,
[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: `compare_strings`
[INFO] [stdout]   --> src/value.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, _interned_strings: HashSet<ObjString>, _rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/value.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/value.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, _interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     strings: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/object.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: HashSet<String>,
[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: `compare_strings`
[INFO] [stdout]   --> src/value.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn compare_strings(&self, _interned_strings: HashSet<ObjString>, _rhs: &Value) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_string`
[INFO] [stdout]   --> src/value.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn as_string(&self) -> Option<&ObjString> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `copy`
[INFO] [stdout]   --> src/value.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn copy(&self, _interned_strings: HashSet<String>) -> Value {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings`
[INFO] [stdout]   --> src/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     strings: HashSet<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "40de994cd98f6c56cae983bc5f1904b60c214fd391270fd378117ebd18956765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40de994cd98f6c56cae983bc5f1904b60c214fd391270fd378117ebd18956765", kill_on_drop: false }`
[INFO] [stdout] 40de994cd98f6c56cae983bc5f1904b60c214fd391270fd378117ebd18956765