[INFO] fetching crate tron 2.1.0...
[INFO] building tron-2.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tron 2.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tron 2.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tron 2.1.0
[INFO] tweaked toml for crates.io crate tron 2.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tron 2.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tron 2.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19a740206b8f1237729eff007ce08aa223407e019dd40dec33fdc738698a4848
[INFO] running `Command { std: "docker" "start" "-a" "19a740206b8f1237729eff007ce08aa223407e019dd40dec33fdc738698a4848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a740206b8f1237729eff007ce08aa223407e019dd40dec33fdc738698a4848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a740206b8f1237729eff007ce08aa223407e019dd40dec33fdc738698a4848", kill_on_drop: false }`
[INFO] [stdout] 19a740206b8f1237729eff007ce08aa223407e019dd40dec33fdc738698a4848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccb791191253ca677b5f0946062725439206a421e311b779ec4aa8304720b577
[INFO] running `Command { std: "docker" "start" "-a" "ccb791191253ca677b5f0946062725439206a421e311b779ec4aa8304720b577", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling tron v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TronError`
[INFO] [stdout]   --> src/template_ref.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::error::{Result, TronError};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TronError`
[INFO] [stdout]   --> src/cache.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Result, TronError};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/validation.rs:502:62
[INFO] [stdout]     |
[INFO] [stdout] 502 |                     dependency_graph.entry(template.content().clone())
[INFO] [stdout]     |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "ccb791191253ca677b5f0946062725439206a421e311b779ec4aa8304720b577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb791191253ca677b5f0946062725439206a421e311b779ec4aa8304720b577", kill_on_drop: false }`
[INFO] [stdout] ccb791191253ca677b5f0946062725439206a421e311b779ec4aa8304720b577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92547a6d33f8cb00c35f471b02d782aee689266cb84aac5d3e378b4aa09f2446
[INFO] running `Command { std: "docker" "start" "-a" "92547a6d33f8cb00c35f471b02d782aee689266cb84aac5d3e378b4aa09f2446", kill_on_drop: false }`
[INFO] [stderr]    Compiling tron v2.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TronError`
[INFO] [stdout]   --> src/template_ref.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::error::{Result, TronError};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TronError`
[INFO] [stdout]   --> src/cache.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Result, TronError};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/validation.rs:502:62
[INFO] [stdout]     |
[INFO] [stdout] 502 |                     dependency_graph.entry(template.content().clone())
[INFO] [stdout]     |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc_comment`
[INFO] [stdout]    --> examples/template_composition.rs:108:36
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let template = if let Some(doc_comment) = doc {
[INFO] [stdout]     |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_doc_comment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TronError`
[INFO] [stdout]   --> src/template_ref.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::error::{Result, TronError};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TronError`
[INFO] [stdout]   --> src/cache.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::error::{Result, TronError};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `sql_type` is never read
[INFO] [stdout]    --> examples/advanced_features.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |     struct Column {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 141 |         sql_type: String,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/validation.rs:502:62
[INFO] [stdout]     |
[INFO] [stdout] 502 |                     dependency_graph.entry(template.content().clone())
[INFO] [stdout]     |                                                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "92547a6d33f8cb00c35f471b02d782aee689266cb84aac5d3e378b4aa09f2446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92547a6d33f8cb00c35f471b02d782aee689266cb84aac5d3e378b4aa09f2446", kill_on_drop: false }`
[INFO] [stdout] 92547a6d33f8cb00c35f471b02d782aee689266cb84aac5d3e378b4aa09f2446