[INFO] fetching crate makers 0.7.0...
[INFO] checking makers-0.7.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate makers 0.7.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate makers 0.7.0 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 makers 0.7.0
[INFO] finished tweaking crates.io crate makers 0.7.0
[INFO] tweaked toml for crates.io crate makers 0.7.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate makers 0.7.0 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" "+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-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] 72a42e9b2cbe13a02472a0eb90f0ac41e2cb8dc5bd1bf63811f6b171ae645fe2
[INFO] running `Command { std: "docker" "start" "-a" "72a42e9b2cbe13a02472a0eb90f0ac41e2cb8dc5bd1bf63811f6b171ae645fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72a42e9b2cbe13a02472a0eb90f0ac41e2cb8dc5bd1bf63811f6b171ae645fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a42e9b2cbe13a02472a0eb90f0ac41e2cb8dc5bd1bf63811f6b171ae645fe2", kill_on_drop: false }`
[INFO] [stdout] 72a42e9b2cbe13a02472a0eb90f0ac41e2cb8dc5bd1bf63811f6b171ae645fe2
[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] cc014c2b24fdf156f37c8dfba487c1da60a1f929c5f214595445ad73dc54cf93
[INFO] running `Command { std: "docker" "start" "-a" "cc014c2b24fdf156f37c8dfba487c1da60a1f929c5f214595445ad73dc54cf93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking color-eyre v0.5.10
[INFO] [stderr]     Checking jane-eyre v0.3.0
[INFO] [stderr]     Checking makers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[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" "cc014c2b24fdf156f37c8dfba487c1da60a1f929c5f214595445ad73dc54cf93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc014c2b24fdf156f37c8dfba487c1da60a1f929c5f214595445ad73dc54cf93", kill_on_drop: false }`
[INFO] [stdout] cc014c2b24fdf156f37c8dfba487c1da60a1f929c5f214595445ad73dc54cf93