[INFO] cloning repository https://github.com/Anatoly03/Rust-Tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Anatoly03/Rust-Tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnatoly03%2FRust-Tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAnatoly03%2FRust-Tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 879e9bf747690ca5b207a3523b0ef4c5d0066a60
[INFO] building Anatoly03/Rust-Tester 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%2FAnatoly03%2FRust-Tester" "/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/Anatoly03/Rust-Tester 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/Anatoly03/Rust-Tester
[INFO] finished tweaking git repo https://github.com/Anatoly03/Rust-Tester
[INFO] tweaked toml for git repo https://github.com/Anatoly03/Rust-Tester written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Anatoly03/Rust-Tester 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded json v0.12.4
[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] 941aed8de5730dd32b6c60ef16afbd62a60ac9d579fc2e30380b8f25f37d99c0
[INFO] running `Command { std: "docker" "start" "-a" "941aed8de5730dd32b6c60ef16afbd62a60ac9d579fc2e30380b8f25f37d99c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "941aed8de5730dd32b6c60ef16afbd62a60ac9d579fc2e30380b8f25f37d99c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "941aed8de5730dd32b6c60ef16afbd62a60ac9d579fc2e30380b8f25f37d99c0", kill_on_drop: false }`
[INFO] [stdout] 941aed8de5730dd32b6c60ef16afbd62a60ac9d579fc2e30380b8f25f37d99c0
[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] a5d01e7c369932cab942ece913ceca4ffdaffdeee0ac7c70620ac95ff4786793
[INFO] running `Command { std: "docker" "start" "-a" "a5d01e7c369932cab942ece913ceca4ffdaffdeee0ac7c70620ac95ff4786793", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling study-rust-tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let status = value["event"] == "ok";
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let stdout = value["stdout"].as_str().unwrap();
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `summary`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let summary = &data.next().unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_summary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "a5d01e7c369932cab942ece913ceca4ffdaffdeee0ac7c70620ac95ff4786793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d01e7c369932cab942ece913ceca4ffdaffdeee0ac7c70620ac95ff4786793", kill_on_drop: false }`
[INFO] [stdout] a5d01e7c369932cab942ece913ceca4ffdaffdeee0ac7c70620ac95ff4786793
[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] 5c751140f040696f5a17129c17e1e58302fedf1d312dcaab94a0513e4765957f
[INFO] running `Command { std: "docker" "start" "-a" "5c751140f040696f5a17129c17e1e58302fedf1d312dcaab94a0513e4765957f", kill_on_drop: false }`
[INFO] [stderr]    Compiling study-rust-tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `status`
[INFO] [stdout]   --> src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let status = value["event"] == "ok";
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stdout`
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let stdout = value["stdout"].as_str().unwrap();
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `summary`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let summary = &data.next().unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_summary`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5c751140f040696f5a17129c17e1e58302fedf1d312dcaab94a0513e4765957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c751140f040696f5a17129c17e1e58302fedf1d312dcaab94a0513e4765957f", kill_on_drop: false }`
[INFO] [stdout] 5c751140f040696f5a17129c17e1e58302fedf1d312dcaab94a0513e4765957f