[INFO] fetching crate tcp_typed 0.1.4...
[INFO] building tcp_typed-0.1.4 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate tcp_typed 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate tcp_typed 0.1.4 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcp_typed 0.1.4
[INFO] finished tweaking crates.io crate tcp_typed 0.1.4
[INFO] tweaked toml for crates.io crate tcp_typed 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding nix v0.15.0 (available: v0.29.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded socketstat v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7e4336e769331ed95bd98891cb33ef0b1a42e8ef9af027efaeed3ab17bfcc3e
[INFO] running `Command { std: "docker" "start" "-a" "f7e4336e769331ed95bd98891cb33ef0b1a42e8ef9af027efaeed3ab17bfcc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7e4336e769331ed95bd98891cb33ef0b1a42e8ef9af027efaeed3ab17bfcc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e4336e769331ed95bd98891cb33ef0b1a42e8ef9af027efaeed3ab17bfcc3e", kill_on_drop: false }`
[INFO] [stdout] f7e4336e769331ed95bd98891cb33ef0b1a42e8ef9af027efaeed3ab17bfcc3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f1c165744f195f03e30258066d160c56faf9e34c3674351a0a4fe6f33456b02
[INFO] running `Command { std: "docker" "start" "-a" "8f1c165744f195f03e30258066d160c56faf9e34c3674351a0a4fe6f33456b02", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling nom v2.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling palaver v0.2.8
[INFO] [stderr]    Compiling socketstat v0.1.0
[INFO] [stderr]    Compiling tcp_typed v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8f1c165744f195f03e30258066d160c56faf9e34c3674351a0a4fe6f33456b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1c165744f195f03e30258066d160c56faf9e34c3674351a0a4fe6f33456b02", kill_on_drop: false }`
[INFO] [stdout] 8f1c165744f195f03e30258066d160c56faf9e34c3674351a0a4fe6f33456b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95c0528a3f85e60189ef48e8fa4c4489312f83d89bf3dd22c5fee451e7ea3fcd
[INFO] running `Command { std: "docker" "start" "-a" "95c0528a3f85e60189ef48e8fa4c4489312f83d89bf3dd22c5fee451e7ea3fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling tcp_typed v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "95c0528a3f85e60189ef48e8fa4c4489312f83d89bf3dd22c5fee451e7ea3fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c0528a3f85e60189ef48e8fa4c4489312f83d89bf3dd22c5fee451e7ea3fcd", kill_on_drop: false }`
[INFO] [stdout] 95c0528a3f85e60189ef48e8fa4c4489312f83d89bf3dd22c5fee451e7ea3fcd