[INFO] fetching crate tracing-timing 0.6.0...
[INFO] checking tracing-timing-0.6.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate tracing-timing 0.6.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate tracing-timing 0.6.0 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 tracing-timing 0.6.0
[INFO] finished tweaking crates.io crate tracing-timing 0.6.0
[INFO] tweaked toml for crates.io crate tracing-timing 0.6.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate tracing-timing 0.6.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] df44e54d60b1d76d24a47cfb330af1478eb7ca95f12fbc83ff280bc5ddbd0bb8
[INFO] running `Command { std: "docker" "start" "-a" "df44e54d60b1d76d24a47cfb330af1478eb7ca95f12fbc83ff280bc5ddbd0bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df44e54d60b1d76d24a47cfb330af1478eb7ca95f12fbc83ff280bc5ddbd0bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df44e54d60b1d76d24a47cfb330af1478eb7ca95f12fbc83ff280bc5ddbd0bb8", kill_on_drop: false }`
[INFO] [stdout] df44e54d60b1d76d24a47cfb330af1478eb7ca95f12fbc83ff280bc5ddbd0bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 86a3f129b5bbccf5d6212614977b5d8ddd914ca5cf98af4d26ffea19f6e5f741
[INFO] running `Command { std: "docker" "start" "-a" "86a3f129b5bbccf5d6212614977b5d8ddd914ca5cf98af4d26ffea19f6e5f741", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.0
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking log v0.4.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.0
[INFO] [stderr]     Checking raw-cpuid v9.0.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking doc-comment v0.3.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking indexmap v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.5
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]     Checking memchr v2.0.0
[INFO] [stderr]     Checking quanta v0.9.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.3
[INFO] [stderr]     Checking rand_distr v0.4.0
[INFO] [stderr]     Checking hdrhistogram v7.5.0
[INFO] [stderr]     Checking tracing-timing v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.61s
[INFO] running `Command { std: "docker" "inspect" "86a3f129b5bbccf5d6212614977b5d8ddd914ca5cf98af4d26ffea19f6e5f741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a3f129b5bbccf5d6212614977b5d8ddd914ca5cf98af4d26ffea19f6e5f741", kill_on_drop: false }`
[INFO] [stdout] 86a3f129b5bbccf5d6212614977b5d8ddd914ca5cf98af4d26ffea19f6e5f741