[INFO] fetching crate ws2 0.2.5...
[INFO] checking ws2-0.2.5 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ws2 0.2.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ws2 0.2.5 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 ws2 0.2.5
[INFO] finished tweaking crates.io crate ws2 0.2.5
[INFO] tweaked toml for crates.io crate ws2 0.2.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ws2 0.2.5 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6d039f1d7b8305d7055b7aec72d79605dac8525c8c40af80e2b4a9f4bb46b9f0
[INFO] running `Command { std: "docker" "start" "-a" "6d039f1d7b8305d7055b7aec72d79605dac8525c8c40af80e2b4a9f4bb46b9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d039f1d7b8305d7055b7aec72d79605dac8525c8c40af80e2b4a9f4bb46b9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d039f1d7b8305d7055b7aec72d79605dac8525c8c40af80e2b4a9f4bb46b9f0", kill_on_drop: false }`
[INFO] [stdout] 6d039f1d7b8305d7055b7aec72d79605dac8525c8c40af80e2b4a9f4bb46b9f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bd8a80ede95c1f4f9ccb151177561db3e457dbc18c66fe33ccfe41179d56cc4b
[INFO] running `Command { std: "docker" "start" "-a" "bd8a80ede95c1f4f9ccb151177561db3e457dbc18c66fe33ccfe41179d56cc4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling openssl v0.10.61
[INFO] [stderr]     Checking unicode-bidi v0.3.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking poll-channel v0.1.9
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.97
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking log2 v0.1.10
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking ws v0.9.2
[INFO] [stderr]     Checking ws2 v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.78s
[INFO] running `Command { std: "docker" "inspect" "bd8a80ede95c1f4f9ccb151177561db3e457dbc18c66fe33ccfe41179d56cc4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8a80ede95c1f4f9ccb151177561db3e457dbc18c66fe33ccfe41179d56cc4b", kill_on_drop: false }`
[INFO] [stdout] bd8a80ede95c1f4f9ccb151177561db3e457dbc18c66fe33ccfe41179d56cc4b