[INFO] cloning repository https://github.com/giraffate/rlox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/giraffate/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiraffate%2Frlox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiraffate%2Frlox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c2d24f962cfd35ec5ad598776513ae3dbbebaa19 [INFO] checking giraffate/rlox against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgiraffate%2Frlox" "/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/giraffate/rlox [INFO] finished tweaking git repo https://github.com/giraffate/rlox [INFO] tweaked toml for git repo https://github.com/giraffate/rlox written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/giraffate/rlox on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/giraffate/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dddb33b9dff9cff989e786c048fa3597e058e7d7c5aaf90605cec99ce85e7234 [INFO] running `Command { std: "docker" "start" "-a" "dddb33b9dff9cff989e786c048fa3597e058e7d7c5aaf90605cec99ce85e7234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dddb33b9dff9cff989e786c048fa3597e058e7d7c5aaf90605cec99ce85e7234", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dddb33b9dff9cff989e786c048fa3597e058e7d7c5aaf90605cec99ce85e7234", kill_on_drop: false }` [INFO] [stdout] dddb33b9dff9cff989e786c048fa3597e058e7d7c5aaf90605cec99ce85e7234 [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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad4d35ea9e3a2a0055b135777d6b986a4573991bcd753dc263101d9f5f7f24da [INFO] running `Command { std: "docker" "start" "-a" "ad4d35ea9e3a2a0055b135777d6b986a4573991bcd753dc263101d9f5f7f24da", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.23 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Checking os_str_bytes v2.3.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking rlox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/error.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Error { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 5 | pub kind: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, 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: methods `visit_expr` and `visit_stmt` are never used [INFO] [stdout] --> src/visitor.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Visitor { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 11 | fn visit_expr(&mut self, expr: &Expr) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn visit_stmt(&mut self, stmt: &Stmt) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:422:20 [INFO] [stdout] | [INFO] [stdout] 422 | panic!(s); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 422 | panic!("{}", s); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `kind` is never read [INFO] [stdout] --> src/error.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Error { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 5 | pub kind: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, 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: methods `visit_expr` and `visit_stmt` are never used [INFO] [stdout] --> src/visitor.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Visitor { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 11 | fn visit_expr(&mut self, expr: &Expr) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 44 | fn visit_stmt(&mut self, stmt: &Stmt) -> Result { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/parser.rs:422:20 [INFO] [stdout] | [INFO] [stdout] 422 | panic!(s); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 422 | panic!("{}", s); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.19s [INFO] running `Command { std: "docker" "inspect" "ad4d35ea9e3a2a0055b135777d6b986a4573991bcd753dc263101d9f5f7f24da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad4d35ea9e3a2a0055b135777d6b986a4573991bcd753dc263101d9f5f7f24da", kill_on_drop: false }` [INFO] [stdout] ad4d35ea9e3a2a0055b135777d6b986a4573991bcd753dc263101d9f5f7f24da