[INFO] cloning repository https://github.com/debasish-raychawdhuri/ra_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/debasish-raychawdhuri/ra_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebasish-raychawdhuri%2Fra_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdebasish-raychawdhuri%2Fra_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69bcd03cd51e65598264747b55a6109a701a5da9
[INFO] building debasish-raychawdhuri/ra_test 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%2Fdebasish-raychawdhuri%2Fra_test" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/debasish-raychawdhuri/ra_test 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/debasish-raychawdhuri/ra_test
[INFO] finished tweaking git repo https://github.com/debasish-raychawdhuri/ra_test
[INFO] tweaked toml for git repo https://github.com/debasish-raychawdhuri/ra_test written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/debasish-raychawdhuri/ra_test 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 555c2fba4caeac07bc1b9261e9065f7df8fe5364f856ae7eb7674c8874ea1f14
[INFO] running `Command { std: "docker" "start" "-a" "555c2fba4caeac07bc1b9261e9065f7df8fe5364f856ae7eb7674c8874ea1f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "555c2fba4caeac07bc1b9261e9065f7df8fe5364f856ae7eb7674c8874ea1f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "555c2fba4caeac07bc1b9261e9065f7df8fe5364f856ae7eb7674c8874ea1f14", kill_on_drop: false }`
[INFO] [stdout] 555c2fba4caeac07bc1b9261e9065f7df8fe5364f856ae7eb7674c8874ea1f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b3a2256e5a21af2d18aebcb762f40d30cc0f9ae36210595a685506a84d23524b
[INFO] running `Command { std: "docker" "start" "-a" "b3a2256e5a21af2d18aebcb762f40d30cc0f9ae36210595a685506a84d23524b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling regex v1.8.3
[INFO] [stderr]    Compiling ra_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `extract_text_field` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn extract_text_field(body: &str, regex: &str) -> Option<String> {
[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 3.27s
[INFO] running `Command { std: "docker" "inspect" "b3a2256e5a21af2d18aebcb762f40d30cc0f9ae36210595a685506a84d23524b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3a2256e5a21af2d18aebcb762f40d30cc0f9ae36210595a685506a84d23524b", kill_on_drop: false }`
[INFO] [stdout] b3a2256e5a21af2d18aebcb762f40d30cc0f9ae36210595a685506a84d23524b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a06899af671d02d289f40adefda280e6851fb4b7ed090f86753d3cdb58eae15b
[INFO] running `Command { std: "docker" "start" "-a" "a06899af671d02d289f40adefda280e6851fb4b7ed090f86753d3cdb58eae15b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ra_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `extract_text_field` is never used
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn extract_text_field(body: &str, regex: &str) -> Option<String> {
[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 0.22s
[INFO] running `Command { std: "docker" "inspect" "a06899af671d02d289f40adefda280e6851fb4b7ed090f86753d3cdb58eae15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06899af671d02d289f40adefda280e6851fb4b7ed090f86753d3cdb58eae15b", kill_on_drop: false }`
[INFO] [stdout] a06899af671d02d289f40adefda280e6851fb4b7ed090f86753d3cdb58eae15b