[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 try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbsxdbsx%2Ftrait_variable" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dbsxdbsx/trait_variable on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dbsxdbsx/trait_variable against try#342ed2e8608ee307743c341962b427652cdb06e9 for pr-146562
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbsxdbsx%2Ftrait_variable" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dbsxdbsx/trait_variable on toolchain 342ed2e8608ee307743c341962b427652cdb06e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+342ed2e8608ee307743c341962b427652cdb06e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro_state v0.2.1
[INFO] [stderr]   Downloaded macro_state_macros v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+342ed2e8608ee307743c341962b427652cdb06e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 562c61653508d2022c57e82094051ffd512b96a3b1b8fdac8f2c022277dfcde7
[INFO] running `Command { std: "docker" "start" "-a" "562c61653508d2022c57e82094051ffd512b96a3b1b8fdac8f2c022277dfcde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "562c61653508d2022c57e82094051ffd512b96a3b1b8fdac8f2c022277dfcde7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562c61653508d2022c57e82094051ffd512b96a3b1b8fdac8f2c022277dfcde7", kill_on_drop: false }`
[INFO] [stdout] 562c61653508d2022c57e82094051ffd512b96a3b1b8fdac8f2c022277dfcde7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+342ed2e8608ee307743c341962b427652cdb06e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b09b564bcbebfe86bbd34fbbac434646b034029d79141dfedf3cb6b2fe7b8d
[INFO] running `Command { std: "docker" "start" "-a" "38b09b564bcbebfe86bbd34fbbac434646b034029d79141dfedf3cb6b2fe7b8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling macro_state_macros v0.2.1
[INFO] [stderr]    Compiling macro_state v0.2.1
[INFO] [stderr]     Checking unicode-ident v1.0.19
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.73s
[INFO] running `Command { std: "docker" "inspect" "38b09b564bcbebfe86bbd34fbbac434646b034029d79141dfedf3cb6b2fe7b8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b09b564bcbebfe86bbd34fbbac434646b034029d79141dfedf3cb6b2fe7b8d", kill_on_drop: false }`
[INFO] [stdout] 38b09b564bcbebfe86bbd34fbbac434646b034029d79141dfedf3cb6b2fe7b8d