[INFO] cloning repository https://github.com/HavenSelph/ruse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HavenSelph/ruse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHavenSelph%2Fruse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHavenSelph%2Fruse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffd5ac220253e3d0b98087212e2bdebdc410b869
[INFO] checking HavenSelph/ruse against try#54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47 for pr-153041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHavenSelph%2Fruse" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/HavenSelph/ruse
[INFO] finished tweaking git repo https://github.com/HavenSelph/ruse
[INFO] tweaked toml for git repo https://github.com/HavenSelph/ruse written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/HavenSelph/ruse on toolchain 54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/HavenSelph/ruse 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" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor v0.1.1
[INFO] [stderr]   Downloaded owo-colors v4.0.0
[INFO] [stderr]   Downloaded dashmap v6.0.1
[INFO] [stderr]   Downloaded rustc-hash v2.0.0
[INFO] [stderr]   Downloaded name-variant v0.1.0
[INFO] [stderr]   Downloaded ariadne v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f3876576da2a6823b600d10521db5e9fdc3a57c99c4c64f96286a5e8d6fe3ec
[INFO] running `Command { std: "docker" "start" "-a" "7f3876576da2a6823b600d10521db5e9fdc3a57c99c4c64f96286a5e8d6fe3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3876576da2a6823b600d10521db5e9fdc3a57c99c4c64f96286a5e8d6fe3ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3876576da2a6823b600d10521db5e9fdc3a57c99c4c64f96286a5e8d6fe3ec", kill_on_drop: false }`
[INFO] [stdout] 7f3876576da2a6823b600d10521db5e9fdc3a57c99c4c64f96286a5e8d6fe3ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54bb9bb1bbe87f59b5a2e9afea4c8cedcf5e0b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 766adbb8f730f6fde9fe96d00cd6364f426ffa732f00fad3a796a5607cc85233
[INFO] running `Command { std: "docker" "start" "-a" "766adbb8f730f6fde9fe96d00cd6364f426ffa732f00fad3a796a5607cc85233", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking owo-colors v4.0.0
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking dashmap v6.0.1
[INFO] [stderr]     Checking concolor v0.1.1
[INFO] [stderr]     Checking ariadne v0.4.1
[INFO] [stderr]    Compiling name-variant v0.1.0
[INFO] [stderr]     Checking ruse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/interpreter/builtin.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (Value::Integer(stop), Value::Integer(start), Value::Integer(increment)) =
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/interpreter/builtin.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let (Value::Integer(stop), Value::Integer(start), Value::Integer(increment)) =
[INFO] [stdout]    |                                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_fields` and `instance_fields` are never read
[INFO] [stdout]    --> src/interpreter/value.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct Class {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub class_fields: Ref<Vec<Value>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 143 |     pub instance_fields: Ref<Vec<Value>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Class` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]    --> src/interpreter/value.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct ClassInstance {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fields: Ref<Vec<Value>>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClassInstance` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Class` and `ClassInstance` are never constructed
[INFO] [stdout]    --> src/interpreter/value.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub enum Value {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 164 |     Class(Ref<Class>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 165 |     ClassInstance(Ref<ClassInstance>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:85:41
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn skip_until<F: Fn(Token) -> bool>(&mut self, predicate: F) -> Option<Token> {
[INFO] [stdout]    |                                         ^^^^^^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn skip_until<F: Fn(Token) -> bool>(&mut self, predicate: F) -> Option<Token<'_>> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_fields` and `instance_fields` are never read
[INFO] [stdout]    --> src/interpreter/value.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 139 | pub struct Class {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub class_fields: Ref<Vec<Value>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 143 |     pub instance_fields: Ref<Vec<Value>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Class` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fields` is never read
[INFO] [stdout]    --> src/interpreter/value.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct ClassInstance {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 151 |     pub fields: Ref<Vec<Value>>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ClassInstance` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Class` and `ClassInstance` are never constructed
[INFO] [stdout]    --> src/interpreter/value.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | pub enum Value {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 164 |     Class(Ref<Class>),
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 165 |     ClassInstance(Ref<ClassInstance>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Value` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:85:41
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn skip_until<F: Fn(Token) -> bool>(&mut self, predicate: F) -> Option<Token> {
[INFO] [stdout]    |                                         ^^^^^^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn skip_until<F: Fn(Token) -> bool>(&mut self, predicate: F) -> Option<Token<'_>> {
[INFO] [stdout]    |                                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "766adbb8f730f6fde9fe96d00cd6364f426ffa732f00fad3a796a5607cc85233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766adbb8f730f6fde9fe96d00cd6364f426ffa732f00fad3a796a5607cc85233", kill_on_drop: false }`
[INFO] [stdout] 766adbb8f730f6fde9fe96d00cd6364f426ffa732f00fad3a796a5607cc85233
