[INFO] cloning repository https://github.com/boluobanana/crust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boluobanana/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboluobanana%2Fcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboluobanana%2Fcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f8764717fa65f55ff11b2c31007968cfeedba97
[INFO] building boluobanana/crust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboluobanana%2Fcrust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boluobanana/crust 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 git repo https://github.com/boluobanana/crust
[INFO] finished tweaking git repo https://github.com/boluobanana/crust
[INFO] tweaked toml for git repo https://github.com/boluobanana/crust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/boluobanana/crust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0545d797ff75b37392fe27b62fa9d72fe3dfebf2db402f933bbc712219abf4f9
[INFO] running `Command { std: "docker" "start" "-a" "0545d797ff75b37392fe27b62fa9d72fe3dfebf2db402f933bbc712219abf4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0545d797ff75b37392fe27b62fa9d72fe3dfebf2db402f933bbc712219abf4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0545d797ff75b37392fe27b62fa9d72fe3dfebf2db402f933bbc712219abf4f9", kill_on_drop: false }`
[INFO] [stdout] 0545d797ff75b37392fe27b62fa9d72fe3dfebf2db402f933bbc712219abf4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7bf481cfd9d31208b1600cac0e25ce94c8480f8961abda5931059d87e648ced3
[INFO] running `Command { std: "docker" "start" "-a" "7bf481cfd9d31208b1600cac0e25ce94c8480f8961abda5931059d87e648ced3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling lib_rust v0.1.0 (/opt/rustwide/workdir/lib_rust)
[INFO] [stderr]    Compiling client_rust v0.1.0 (/opt/rustwide/workdir/client_rust)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7bf481cfd9d31208b1600cac0e25ce94c8480f8961abda5931059d87e648ced3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bf481cfd9d31208b1600cac0e25ce94c8480f8961abda5931059d87e648ced3", kill_on_drop: false }`
[INFO] [stdout] 7bf481cfd9d31208b1600cac0e25ce94c8480f8961abda5931059d87e648ced3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c44fd6c27864a73cb043b13ab4b930267d2c8218a1ee6163f7cafdefd96138b6
[INFO] running `Command { std: "docker" "start" "-a" "c44fd6c27864a73cb043b13ab4b930267d2c8218a1ee6163f7cafdefd96138b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lib_rust v0.1.0 (/opt/rustwide/workdir/lib_rust)
[INFO] [stderr]    Compiling client_rust v0.1.0 (/opt/rustwide/workdir/client_rust)
[INFO] [stdout] warning: function `bindgen_test_layout_CoolStruct` should have a snake case name
[INFO] [stdout]   --> client_rust/src/bindings.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn bindgen_test_layout_CoolStruct() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `bindgen_test_layout_cool_struct`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> client_rust/src/bindings.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 |         unsafe { &(*(::std::ptr::null::<CoolStruct>())).x as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deref_nullptr)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: dereferencing a null pointer
[INFO] [stdout]   --> client_rust/src/bindings.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |         unsafe { &(*(::std::ptr::null::<CoolStruct>())).y as *const _ as usize },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "c44fd6c27864a73cb043b13ab4b930267d2c8218a1ee6163f7cafdefd96138b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c44fd6c27864a73cb043b13ab4b930267d2c8218a1ee6163f7cafdefd96138b6", kill_on_drop: false }`
[INFO] [stdout] c44fd6c27864a73cb043b13ab4b930267d2c8218a1ee6163f7cafdefd96138b6