[INFO] cloning repository https://github.com/dbsxdbsx/trait_variable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbsxdbsx/trait_variable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbsxdbsx%2Ftrait_variable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbsxdbsx%2Ftrait_variable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 153e067b49a33dc1ddb83fd52f15f1ad09c8777a
[INFO] checking dbsxdbsx/trait_variable against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbsxdbsx%2Ftrait_variable" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbsxdbsx/trait_variable on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbsxdbsx/trait_variable
[INFO] finished tweaking git repo https://github.com/dbsxdbsx/trait_variable
[INFO] tweaked toml for git repo https://github.com/dbsxdbsx/trait_variable written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro_state v0.2.0
[INFO] [stderr]   Downloaded macro_state_macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4450462226ed1c9746d8537d412d8dd4e8400572b9c56345c72eff2580080f4
[INFO] running `Command { std: "docker" "start" "-a" "a4450462226ed1c9746d8537d412d8dd4e8400572b9c56345c72eff2580080f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4450462226ed1c9746d8537d412d8dd4e8400572b9c56345c72eff2580080f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4450462226ed1c9746d8537d412d8dd4e8400572b9c56345c72eff2580080f4", kill_on_drop: false }`
[INFO] [stdout] a4450462226ed1c9746d8537d412d8dd4e8400572b9c56345c72eff2580080f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0962f2d87534cb4c9d39f0e8bf5f604fbf8a34171d64d50f1b39124733d8ce07
[INFO] running `Command { std: "docker" "start" "-a" "0962f2d87534cb4c9d39f0e8bf5f604fbf8a34171d64d50f1b39124733d8ce07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling macro_state_macros v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling macro_state v0.2.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking trait_variable v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `print_y` is never used
[INFO] [stdout]   --> tests/basic.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |     pub(crate) trait BasicTrait {  // feel free to add `pub` when needed
[INFO] [stdout]    |                      ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |         fn print_y(&self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parent_trait_method` is never used
[INFO] [stdout]  --> tests/common/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ParentTrait {
[INFO] [stdout]   |       ----------- method in this trait
[INFO] [stdout] 7 |     fn parent_trait_method(&self) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_print_field_b`, `test_return_ref_string_by_return_statement`, and `test_lambda_for_array_i32` are never used
[INFO] [stdout]    --> tests/common/mod.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout] 14  |     pub(crate) trait PracticalTrait<T: std::fmt::Debug>: ParentTrait
[INFO] [stdout]     |                      -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 52  |         fn get_print_field_b(&self) -> &bool;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |         fn test_return_ref_string_by_return_statement(&self) -> &String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 879 |         fn test_lambda_for_array_i32(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.76s
[INFO] running `Command { std: "docker" "inspect" "0962f2d87534cb4c9d39f0e8bf5f604fbf8a34171d64d50f1b39124733d8ce07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0962f2d87534cb4c9d39f0e8bf5f604fbf8a34171d64d50f1b39124733d8ce07", kill_on_drop: false }`
[INFO] [stdout] 0962f2d87534cb4c9d39f0e8bf5f604fbf8a34171d64d50f1b39124733d8ce07
[INFO] checking dbsxdbsx/trait_variable against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbsxdbsx%2Ftrait_variable" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbsxdbsx/trait_variable on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbsxdbsx/trait_variable
[INFO] finished tweaking git repo https://github.com/dbsxdbsx/trait_variable
[INFO] tweaked toml for git repo https://github.com/dbsxdbsx/trait_variable written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccc5739d175ce7af5501f4152c9fa07c901c46eebb34ae316bc1f7ff732cbc5e
[INFO] running `Command { std: "docker" "start" "-a" "ccc5739d175ce7af5501f4152c9fa07c901c46eebb34ae316bc1f7ff732cbc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccc5739d175ce7af5501f4152c9fa07c901c46eebb34ae316bc1f7ff732cbc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccc5739d175ce7af5501f4152c9fa07c901c46eebb34ae316bc1f7ff732cbc5e", kill_on_drop: false }`
[INFO] [stdout] ccc5739d175ce7af5501f4152c9fa07c901c46eebb34ae316bc1f7ff732cbc5e
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08dda733dc9a290f1a62150bd4580e163648ee0e11fbd49b2184105dc8f6bb83
[INFO] running `Command { std: "docker" "start" "-a" "08dda733dc9a290f1a62150bd4580e163648ee0e11fbd49b2184105dc8f6bb83", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling macro_state_macros v0.2.0
[INFO] [stderr]    Compiling macro_state v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking trait_variable v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `print_y` is never used
[INFO] [stdout]   --> tests/basic.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 8  |     pub(crate) trait BasicTrait {  // feel free to add `pub` when needed
[INFO] [stdout]    |                      ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |         fn print_y(&self){
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `parent_trait_method` is never used
[INFO] [stdout]  --> tests/common/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait ParentTrait {
[INFO] [stdout]   |       ----------- method in this trait
[INFO] [stdout] 7 |     fn parent_trait_method(&self) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_print_field_b`, `test_return_ref_string_by_return_statement`, and `test_lambda_for_array_i32` are never used
[INFO] [stdout]    --> tests/common/mod.rs:52:12
[INFO] [stdout]     |
[INFO] [stdout] 14  |     pub(crate) trait PracticalTrait<T: std::fmt::Debug>: ParentTrait
[INFO] [stdout]     |                      -------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 52  |         fn get_print_field_b(&self) -> &bool;
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 268 |         fn test_return_ref_string_by_return_statement(&self) -> &String{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 879 |         fn test_lambda_for_array_i32(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.84s
[INFO] running `Command { std: "docker" "inspect" "08dda733dc9a290f1a62150bd4580e163648ee0e11fbd49b2184105dc8f6bb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dda733dc9a290f1a62150bd4580e163648ee0e11fbd49b2184105dc8f6bb83", kill_on_drop: false }`
[INFO] [stdout] 08dda733dc9a290f1a62150bd4580e163648ee0e11fbd49b2184105dc8f6bb83