[INFO] fetching crate lua_semantics 0.8.0...
[INFO] building lua_semantics-0.8.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate lua_semantics 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lua_semantics 0.8.0 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 lua_semantics 0.8.0
[INFO] finished tweaking crates.io crate lua_semantics 0.8.0
[INFO] tweaked toml for crates.io crate lua_semantics 0.8.0 written to /workspace/builds/worker-4-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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty_lr_derive v2.4.1
[INFO] [stderr]   Downloaded rusty_lr v3.3.1
[INFO] [stderr]   Downloaded rusty_lr_buildscript v0.22.1
[INFO] [stderr]   Downloaded lua_tokenizer v0.4.0
[INFO] [stderr]   Downloaded rusty_lr_core v3.4.2
[INFO] [stderr]   Downloaded rusty_lr_parser v3.25.1
[INFO] [stderr]   Downloaded lua_parser v0.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d92bbc379821c9cf9551178148e22d112e88a6bdfe5bf2ecb42750cc83f83cbb
[INFO] running `Command { std: "docker" "start" "-a" "d92bbc379821c9cf9551178148e22d112e88a6bdfe5bf2ecb42750cc83f83cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d92bbc379821c9cf9551178148e22d112e88a6bdfe5bf2ecb42750cc83f83cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92bbc379821c9cf9551178148e22d112e88a6bdfe5bf2ecb42750cc83f83cbb", kill_on_drop: false }`
[INFO] [stdout] d92bbc379821c9cf9551178148e22d112e88a6bdfe5bf2ecb42750cc83f83cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 655f154dd6425f810866b274b0bbf554ab27ed29ac3399ab76b5c879bbef666d
[INFO] running `Command { std: "docker" "start" "-a" "655f154dd6425f810866b274b0bbf554ab27ed29ac3399ab76b5c879bbef666d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling lua_tokenizer v0.4.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling rusty_lr_core v3.4.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling rusty_lr_parser v3.25.1
[INFO] [stderr]    Compiling rusty_lr_buildscript v0.22.1
[INFO] [stderr]    Compiling rusty_lr_derive v2.4.1
[INFO] [stderr]    Compiling rusty_lr v3.3.1
[INFO] [stderr]    Compiling lua_parser v0.9.1
[INFO] [stderr]    Compiling lua_semantics v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "655f154dd6425f810866b274b0bbf554ab27ed29ac3399ab76b5c879bbef666d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655f154dd6425f810866b274b0bbf554ab27ed29ac3399ab76b5c879bbef666d", kill_on_drop: false }`
[INFO] [stdout] 655f154dd6425f810866b274b0bbf554ab27ed29ac3399ab76b5c879bbef666d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7502e5a213367b2e9782adaf415377dd5fe4ad212a755793e80ee25d05a5a60e
[INFO] running `Command { std: "docker" "start" "-a" "7502e5a213367b2e9782adaf415377dd5fe4ad212a755793e80ee25d05a5a60e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lua_semantics v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "7502e5a213367b2e9782adaf415377dd5fe4ad212a755793e80ee25d05a5a60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7502e5a213367b2e9782adaf415377dd5fe4ad212a755793e80ee25d05a5a60e", kill_on_drop: false }`
[INFO] [stdout] 7502e5a213367b2e9782adaf415377dd5fe4ad212a755793e80ee25d05a5a60e