[INFO] fetching crate syslogio 0.2.1...
[INFO] checking syslogio-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate syslogio 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate syslogio 0.2.1 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 syslogio 0.2.1
[INFO] finished tweaking crates.io crate syslogio 0.2.1
[INFO] tweaked toml for crates.io crate syslogio 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate syslogio 0.2.1 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-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] b7fc6647add7eb1c8d1f2818738b5d4662ee2c95f53048ff54f74ffd34840d9e
[INFO] running `Command { std: "docker" "start" "-a" "b7fc6647add7eb1c8d1f2818738b5d4662ee2c95f53048ff54f74ffd34840d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7fc6647add7eb1c8d1f2818738b5d4662ee2c95f53048ff54f74ffd34840d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7fc6647add7eb1c8d1f2818738b5d4662ee2c95f53048ff54f74ffd34840d9e", kill_on_drop: false }`
[INFO] [stdout] b7fc6647add7eb1c8d1f2818738b5d4662ee2c95f53048ff54f74ffd34840d9e
[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] 11616b14c8d18be877b41187216c2253bfe42b0d98ea1dccafa11c6a4a95c8bf
[INFO] running `Command { std: "docker" "start" "-a" "11616b14c8d18be877b41187216c2253bfe42b0d98ea1dccafa11c6a4a95c8bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking tai64 v4.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking multistream-batch v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking problem v5.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking syslogio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "11616b14c8d18be877b41187216c2253bfe42b0d98ea1dccafa11c6a4a95c8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11616b14c8d18be877b41187216c2253bfe42b0d98ea1dccafa11c6a4a95c8bf", kill_on_drop: false }`
[INFO] [stdout] 11616b14c8d18be877b41187216c2253bfe42b0d98ea1dccafa11c6a4a95c8bf