[INFO] fetching crate buffertk 0.9.0...
[INFO] checking buffertk-0.9.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate buffertk 0.9.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate buffertk 0.9.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffertk 0.9.0
[INFO] finished tweaking crates.io crate buffertk 0.9.0
[INFO] tweaked toml for crates.io crate buffertk 0.9.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate buffertk 0.9.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4551b24f3893e9eaa5b09aeba7b46be2e84ca1444720cf0d78dc53287ea853f2
[INFO] running `Command { std: "docker" "start" "-a" "4551b24f3893e9eaa5b09aeba7b46be2e84ca1444720cf0d78dc53287ea853f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4551b24f3893e9eaa5b09aeba7b46be2e84ca1444720cf0d78dc53287ea853f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4551b24f3893e9eaa5b09aeba7b46be2e84ca1444720cf0d78dc53287ea853f2", kill_on_drop: false }`
[INFO] [stdout] 4551b24f3893e9eaa5b09aeba7b46be2e84ca1444720cf0d78dc53287ea853f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07f43bca8288e47f174ab70c4c0a5a0358d0d8d022c05cec26f790aa84c63a8e
[INFO] running `Command { std: "docker" "start" "-a" "07f43bca8288e47f174ab70c4c0a5a0358d0d8d022c05cec26f790aa84c63a8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking buffertk v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sig_fig_histogram v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling arrrg_derive v0.4.0
[INFO] [stderr]     Checking arrrg v0.4.0
[INFO] [stderr]     Checking statslicer v0.5.0
[INFO] [stderr]     Checking guacamole v0.8.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "07f43bca8288e47f174ab70c4c0a5a0358d0d8d022c05cec26f790aa84c63a8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f43bca8288e47f174ab70c4c0a5a0358d0d8d022c05cec26f790aa84c63a8e", kill_on_drop: false }`
[INFO] [stdout] 07f43bca8288e47f174ab70c4c0a5a0358d0d8d022c05cec26f790aa84c63a8e