[INFO] fetching crate taita 0.1.7...
[INFO] checking taita-0.1.7 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate taita 0.1.7 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate taita 0.1.7 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taita 0.1.7
[INFO] finished tweaking crates.io crate taita 0.1.7
[INFO] tweaked toml for crates.io crate taita 0.1.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate taita 0.1.7 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 488c845bb3add6741c96b8d570a2438b608bd1bdee186b29cf53d1ef8d569af5
[INFO] running `Command { std: "docker" "start" "-a" "488c845bb3add6741c96b8d570a2438b608bd1bdee186b29cf53d1ef8d569af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "488c845bb3add6741c96b8d570a2438b608bd1bdee186b29cf53d1ef8d569af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488c845bb3add6741c96b8d570a2438b608bd1bdee186b29cf53d1ef8d569af5", kill_on_drop: false }`
[INFO] [stdout] 488c845bb3add6741c96b8d570a2438b608bd1bdee186b29cf53d1ef8d569af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49eebada75dc8fb170b57c5f6614f0828b5adbdedbb9ffc2e77576133d3d3a29
[INFO] running `Command { std: "docker" "start" "-a" "49eebada75dc8fb170b57c5f6614f0828b5adbdedbb9ffc2e77576133d3d3a29", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.11
[INFO] [stderr]     Checking clap_builder v4.4.18
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.18
[INFO] [stderr]     Checking taita v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String`
[INFO] [stdout]   --> src/cli.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             default_taita_dir.into()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 std::process::Command::new(current_exe)
[INFO] [stdout] 175 | |                     .arg("open-in-place")
[INFO] [stdout] 176 | |                     .arg(name)
[INFO] [stdout] 177 | |                     .exec();
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let _ = std::process::Command::new(current_exe)
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 | /             std::process::Command::new("tmux")
[INFO] [stdout] 220 | |                 .arg("a")
[INFO] [stdout] 221 | |                 .arg("-t")
[INFO] [stdout] 222 | |                 .arg("taita-".to_string() + &name)
[INFO] [stdout] 223 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = std::process::Command::new("tmux")
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `std::string::String` to `std::string::String`
[INFO] [stdout]   --> src/cli.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             default_taita_dir.into()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 std::process::Command::new(current_exe)
[INFO] [stdout] 175 | |                     .arg("open-in-place")
[INFO] [stdout] 176 | |                     .arg(name)
[INFO] [stdout] 177 | |                     .exec();
[INFO] [stdout]     | |___________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 let _ = std::process::Command::new(current_exe)
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]    --> src/cli.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 | /             std::process::Command::new("tmux")
[INFO] [stdout] 220 | |                 .arg("a")
[INFO] [stdout] 221 | |                 .arg("-t")
[INFO] [stdout] 222 | |                 .arg("taita-".to_string() + &name)
[INFO] [stdout] 223 | |                 .exec();
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |             let _ = std::process::Command::new("tmux")
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `taita` (bin "taita") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `taita` (bin "taita" test) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "49eebada75dc8fb170b57c5f6614f0828b5adbdedbb9ffc2e77576133d3d3a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49eebada75dc8fb170b57c5f6614f0828b5adbdedbb9ffc2e77576133d3d3a29", kill_on_drop: false }`
[INFO] [stdout] 49eebada75dc8fb170b57c5f6614f0828b5adbdedbb9ffc2e77576133d3d3a29