[INFO] fetching crate bawawa 0.1.5...
[INFO] checking bawawa-0.1.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate bawawa 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bawawa 0.1.5 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bawawa 0.1.5
[INFO] finished tweaking crates.io crate bawawa 0.1.5
[INFO] tweaked toml for crates.io crate bawawa 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding bytes v0.4.12 (available: v1.7.2)
[INFO] [stderr]       Adding cfg-if v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding crossbeam-queue v0.1.2 (available: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (available: v0.8.20)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (available: v0.8.20)
[INFO] [stderr]       Adding futures v0.1.31 (available: v0.3.30)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding lock_api v0.3.4 (available: v0.4.12)
[INFO] [stderr]       Adding mio v0.6.23 (available: v1.0.2)
[INFO] [stderr]       Adding miow v0.2.2 (available: v0.6.0)
[INFO] [stderr]       Adding miow v0.3.7 (available: v0.6.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (available: v0.12.3)
[INFO] [stderr]       Adding parking_lot_core v0.6.3 (available: v0.9.10)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (available: v0.5.6)
[INFO] [stderr]       Adding rustc_version v0.2.3 (available: v0.4.1)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding smallvec v0.6.14 (available: v1.13.2)
[INFO] [stderr]       Adding winapi v0.2.8 (available: v0.3.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c6fc07681bb48c2134ad5d906b9143ebd868945c399e2964cc7e1c0a4516917
[INFO] running `Command { std: "docker" "start" "-a" "6c6fc07681bb48c2134ad5d906b9143ebd868945c399e2964cc7e1c0a4516917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c6fc07681bb48c2134ad5d906b9143ebd868945c399e2964cc7e1c0a4516917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6fc07681bb48c2134ad5d906b9143ebd868945c399e2964cc7e1c0a4516917", kill_on_drop: false }`
[INFO] [stdout] 6c6fc07681bb48c2134ad5d906b9143ebd868945c399e2964cc7e1c0a4516917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e99ed13f64b54bb14da7d2ab811e1027a4ed0eb240fa99ddac48d6d6eb608975
[INFO] running `Command { std: "docker" "start" "-a" "e99ed13f64b54bb14da7d2ab811e1027a4ed0eb240fa99ddac48d6d6eb608975", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking gimli v0.31.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]     Checking addr2line v0.24.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking bawawa v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "e99ed13f64b54bb14da7d2ab811e1027a4ed0eb240fa99ddac48d6d6eb608975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99ed13f64b54bb14da7d2ab811e1027a4ed0eb240fa99ddac48d6d6eb608975", kill_on_drop: false }`
[INFO] [stdout] e99ed13f64b54bb14da7d2ab811e1027a4ed0eb240fa99ddac48d6d6eb608975