[INFO] fetching crate hilog 0.1.0...
[INFO] checking hilog-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate hilog 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate hilog 0.1.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hilog 0.1.0
[INFO] finished tweaking crates.io crate hilog 0.1.0
[INFO] tweaked toml for crates.io crate hilog 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20c0a0fcc39433d71b90171afd3c915222b1baaaf8074d9d4c4c9a2241b6fff5
[INFO] running `Command { std: "docker" "start" "-a" "20c0a0fcc39433d71b90171afd3c915222b1baaaf8074d9d4c4c9a2241b6fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20c0a0fcc39433d71b90171afd3c915222b1baaaf8074d9d4c4c9a2241b6fff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c0a0fcc39433d71b90171afd3c915222b1baaaf8074d9d4c4c9a2241b6fff5", kill_on_drop: false }`
[INFO] [stdout] 20c0a0fcc39433d71b90171afd3c915222b1baaaf8074d9d4c4c9a2241b6fff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e275d70ae32a96bbde8d0068e0ea26a01b1d9aa34816e6c47d17ac040f6e2fc1
[INFO] running `Command { std: "docker" "start" "-a" "e275d70ae32a96bbde8d0068e0ea26a01b1d9aa34816e6c47d17ac040f6e2fc1", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking hilog-sys v0.1.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking hilog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_loggable` is never used
[INFO] [stdout]    --> src/lib.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl Logger {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn is_loggable(&self, tag: &CStr, level: LogLevel) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_loggable` is never used
[INFO] [stdout]    --> src/lib.rs:191:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | impl Logger {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn is_loggable(&self, tag: &CStr, level: LogLevel) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "e275d70ae32a96bbde8d0068e0ea26a01b1d9aa34816e6c47d17ac040f6e2fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e275d70ae32a96bbde8d0068e0ea26a01b1d9aa34816e6c47d17ac040f6e2fc1", kill_on_drop: false }`
[INFO] [stdout] e275d70ae32a96bbde8d0068e0ea26a01b1d9aa34816e6c47d17ac040f6e2fc1