[INFO] fetching crate kaosu-packer 0.1.0...
[INFO] checking kaosu-packer-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate kaosu-packer 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate kaosu-packer 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 kaosu-packer 0.1.0
[INFO] finished tweaking crates.io crate kaosu-packer 0.1.0
[INFO] tweaked toml for crates.io crate kaosu-packer 0.1.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 67 packages to latest compatible versions
[INFO] [stderr]       Adding autocfg v0.1.8 (available: v1.3.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.6.0)
[INFO] [stderr]       Adding cast v0.2.7 (available: v0.3.0)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.18)
[INFO] [stderr]       Adding cloudabi v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.3.1 (available: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.13.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (available: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (available: v0.3.0)
[INFO] [stderr]       Adding rand_xoshiro v0.1.0 (available: v0.6.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding textwrap v0.11.0 (available: v0.16.1)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.0)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a07712874d512857ab9386388a924e4928db7808acd8820012efbc9d3e1d3eee
[INFO] running `Command { std: "docker" "start" "-a" "a07712874d512857ab9386388a924e4928db7808acd8820012efbc9d3e1d3eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07712874d512857ab9386388a924e4928db7808acd8820012efbc9d3e1d3eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07712874d512857ab9386388a924e4928db7808acd8820012efbc9d3e1d3eee", kill_on_drop: false }`
[INFO] [stdout] a07712874d512857ab9386388a924e4928db7808acd8820012efbc9d3e1d3eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7dcbfbe8f8c1020fd54585a1c66e17a2c3000d88a6b6fb185fec92ee26fffe3d
[INFO] running `Command { std: "docker" "start" "-a" "7dcbfbe8f8c1020fd54585a1c66e17a2c3000d88a6b6fb185fec92ee26fffe3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking kaosu-packer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7dcbfbe8f8c1020fd54585a1c66e17a2c3000d88a6b6fb185fec92ee26fffe3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dcbfbe8f8c1020fd54585a1c66e17a2c3000d88a6b6fb185fec92ee26fffe3d", kill_on_drop: false }`
[INFO] [stdout] 7dcbfbe8f8c1020fd54585a1c66e17a2c3000d88a6b6fb185fec92ee26fffe3d