[INFO] fetching crate stringsext 2.3.4...
[INFO] checking stringsext-2.3.4 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate stringsext 2.3.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate stringsext 2.3.4 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 stringsext 2.3.4
[INFO] finished tweaking crates.io crate stringsext 2.3.4
[INFO] tweaked toml for crates.io crate stringsext 2.3.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate stringsext 2.3.4 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d8c177b1e8de737a024ed03ea2e8ddcd5b345c362eeedb2a62f176ad6dd61d69
[INFO] running `Command { std: "docker" "start" "-a" "d8c177b1e8de737a024ed03ea2e8ddcd5b345c362eeedb2a62f176ad6dd61d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c177b1e8de737a024ed03ea2e8ddcd5b345c362eeedb2a62f176ad6dd61d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c177b1e8de737a024ed03ea2e8ddcd5b345c362eeedb2a62f176ad6dd61d69", kill_on_drop: false }`
[INFO] [stdout] d8c177b1e8de737a024ed03ea2e8ddcd5b345c362eeedb2a62f176ad6dd61d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 646a43564eeaf91fa6d98ebdfdef0d7689605a3e1c7b501f62617377c48030d2
[INFO] running `Command { std: "docker" "start" "-a" "646a43564eeaf91fa6d98ebdfdef0d7689605a3e1c7b501f62617377c48030d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking stringsext v2.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "646a43564eeaf91fa6d98ebdfdef0d7689605a3e1c7b501f62617377c48030d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646a43564eeaf91fa6d98ebdfdef0d7689605a3e1c7b501f62617377c48030d2", kill_on_drop: false }`
[INFO] [stdout] 646a43564eeaf91fa6d98ebdfdef0d7689605a3e1c7b501f62617377c48030d2