[INFO] cloning repository https://github.com/mogendi/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mogendi/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogendi%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogendi%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ba194cb9ad9e72a39c20c2c4e3e67a8f9ec8906
[INFO] checking mogendi/rlox against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmogendi%2Frlox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mogendi/rlox
[INFO] finished tweaking git repo https://github.com/mogendi/rlox
[INFO] tweaked toml for git repo https://github.com/mogendi/rlox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mogendi/rlox on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mogendi/rlox 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c4ba8296e0ef66c8207cbc459f481cd88ab325587afc37911ba2be57180a5b4
[INFO] running `Command { std: "docker" "start" "-a" "1c4ba8296e0ef66c8207cbc459f481cd88ab325587afc37911ba2be57180a5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c4ba8296e0ef66c8207cbc459f481cd88ab325587afc37911ba2be57180a5b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4ba8296e0ef66c8207cbc459f481cd88ab325587afc37911ba2be57180a5b4", kill_on_drop: false }`
[INFO] [stdout] 1c4ba8296e0ef66c8207cbc459f481cd88ab325587afc37911ba2be57180a5b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42af42d5137e4d7e1fbd68607abce79d161f7c447c8fb1656108fa70cc086695
[INFO] running `Command { std: "docker" "start" "-a" "42af42d5137e4d7e1fbd68607abce79d161f7c447c8fb1656108fa70cc086695", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `GroupErr` is never constructed
[INFO] [stdout]   --> src/compiler/err.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct GroupErr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]   --> src/instructions/binary.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Binary {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 28 |     code: InstructionType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disassemble` is never used
[INFO] [stdout]   --> src/instructions/instructions.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub trait InstructionBase {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] 39 |     fn disassemble(&self) -> InstructionType;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RuntimeErr` is never constructed
[INFO] [stdout]  --> src/vm/err.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RuntimeErr {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/compiler.rs:237:23
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn inheriting(&self) -> 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] 237 |     pub fn inheriting(&self) -> Option<Token<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/parser.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn get_previous(&self) -> Result<Token, Box<dyn ErrTrait>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn get_previous(&self) -> Result<Token<'_>, Box<dyn ErrTrait>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GroupErr` is never constructed
[INFO] [stdout]   --> src/compiler/err.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct GroupErr {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `code` is never read
[INFO] [stdout]   --> src/instructions/binary.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Binary {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 28 |     code: InstructionType,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `disassemble` is never used
[INFO] [stdout]   --> src/instructions/instructions.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub trait InstructionBase {
[INFO] [stdout]    |           --------------- method in this trait
[INFO] [stdout] 39 |     fn disassemble(&self) -> InstructionType;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RuntimeErr` is never constructed
[INFO] [stdout]  --> src/vm/err.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct RuntimeErr {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/compiler.rs:237:23
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn inheriting(&self) -> 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] 237 |     pub fn inheriting(&self) -> Option<Token<'_>> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/compiler/parser.rs:136:21
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn get_previous(&self) -> Result<Token, Box<dyn ErrTrait>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn get_previous(&self) -> Result<Token<'_>, Box<dyn ErrTrait>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "42af42d5137e4d7e1fbd68607abce79d161f7c447c8fb1656108fa70cc086695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42af42d5137e4d7e1fbd68607abce79d161f7c447c8fb1656108fa70cc086695", kill_on_drop: false }`
[INFO] [stdout] 42af42d5137e4d7e1fbd68607abce79d161f7c447c8fb1656108fa70cc086695
