[INFO] cloning repository https://github.com/codemanfreecodes/del_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codemanfreecodes/del_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodemanfreecodes%2Fdel_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodemanfreecodes%2Fdel_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8ff4236eeadc3fa219f9b33cbb60e09df4ccc56
[INFO] building codemanfreecodes/del_lib against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodemanfreecodes%2Fdel_lib" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codemanfreecodes/del_lib on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codemanfreecodes/del_lib
[INFO] finished tweaking git repo https://github.com/codemanfreecodes/del_lib
[INFO] tweaked toml for git repo https://github.com/codemanfreecodes/del_lib written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/codemanfreecodes/del_lib 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67f7f958fc8a0d3b1a8a0f800864f6963814d3c70f13dbf352476f732bf634b1
[INFO] running `Command { std: "docker" "start" "-a" "67f7f958fc8a0d3b1a8a0f800864f6963814d3c70f13dbf352476f732bf634b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f7f958fc8a0d3b1a8a0f800864f6963814d3c70f13dbf352476f732bf634b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f7f958fc8a0d3b1a8a0f800864f6963814d3c70f13dbf352476f732bf634b1", kill_on_drop: false }`
[INFO] [stdout] 67f7f958fc8a0d3b1a8a0f800864f6963814d3c70f13dbf352476f732bf634b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e50c6433be3b4ce8ff5a80781e7a7abda65016e3966422a0a3fc2db39642c8
[INFO] running `Command { std: "docker" "start" "-a" "95e50c6433be3b4ce8ff5a80781e7a7abda65016e3966422a0a3fc2db39642c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling del_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let metadata = fs::metadata(file_path)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     const BUFFER_SIZE: usize = 1024; // Buffer size for each read/write operation
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "95e50c6433be3b4ce8ff5a80781e7a7abda65016e3966422a0a3fc2db39642c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e50c6433be3b4ce8ff5a80781e7a7abda65016e3966422a0a3fc2db39642c8", kill_on_drop: false }`
[INFO] [stdout] 95e50c6433be3b4ce8ff5a80781e7a7abda65016e3966422a0a3fc2db39642c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail-expr-drop-order" "-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 829557e6c6ae4147d55bcdf00f8c4dfc90a79a070131fe578bbd8ac0a22cc4c4
[INFO] running `Command { std: "docker" "start" "-a" "829557e6c6ae4147d55bcdf00f8c4dfc90a79a070131fe578bbd8ac0a22cc4c4", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let metadata = fs::metadata(file_path)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     const BUFFER_SIZE: usize = 1024; // Buffer size for each read/write operation
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling del_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let metadata = fs::metadata(file_path)?;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]   --> src/lib.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     const BUFFER_SIZE: usize = 1024; // Buffer size for each read/write operation
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "829557e6c6ae4147d55bcdf00f8c4dfc90a79a070131fe578bbd8ac0a22cc4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829557e6c6ae4147d55bcdf00f8c4dfc90a79a070131fe578bbd8ac0a22cc4c4", kill_on_drop: false }`
[INFO] [stdout] 829557e6c6ae4147d55bcdf00f8c4dfc90a79a070131fe578bbd8ac0a22cc4c4