[INFO] fetching crate sparsetools 0.2.3...
[INFO] checking sparsetools-0.2.3 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate sparsetools 0.2.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate sparsetools 0.2.3 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 sparsetools 0.2.3
[INFO] finished tweaking crates.io crate sparsetools 0.2.3
[INFO] tweaked toml for crates.io crate sparsetools 0.2.3 written to /workspace/builds/worker-5-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]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.66.1 (available: v0.70.1)
[INFO] [stderr]       Adding full v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding opimps v0.1.4 (available: v0.2.2)
[INFO] [stderr]       Adding peeking_take_while v0.1.2 (available: v1.0.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding which v4.4.2 (available: v6.0.3)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9c996005ebd2d60a0cb3a9c31a7538cc48ee5fe10887a375cf427c662b6da7e1
[INFO] running `Command { std: "docker" "start" "-a" "9c996005ebd2d60a0cb3a9c31a7538cc48ee5fe10887a375cf427c662b6da7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c996005ebd2d60a0cb3a9c31a7538cc48ee5fe10887a375cf427c662b6da7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c996005ebd2d60a0cb3a9c31a7538cc48ee5fe10887a375cf427c662b6da7e1", kill_on_drop: false }`
[INFO] [stdout] 9c996005ebd2d60a0cb3a9c31a7538cc48ee5fe10887a375cf427c662b6da7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 50871c833b97b96495f5106cf0c286cfe82581ca70af9206ef7e491cf07ed8be
[INFO] running `Command { std: "docker" "start" "-a" "50871c833b97b96495f5106cf0c286cfe82581ca70af9206ef7e491cf07ed8be", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu_floating_decimal v0.1.0
[INFO] [stderr]     Checking tabwriter v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling opimps v0.2.2
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking pretty_dtoa v0.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sparsetools v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "50871c833b97b96495f5106cf0c286cfe82581ca70af9206ef7e491cf07ed8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50871c833b97b96495f5106cf0c286cfe82581ca70af9206ef7e491cf07ed8be", kill_on_drop: false }`
[INFO] [stdout] 50871c833b97b96495f5106cf0c286cfe82581ca70af9206ef7e491cf07ed8be