[INFO] fetching crate reusable-memory 0.2.1... [INFO] building reusable-memory-0.2.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate reusable-memory 0.2.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate reusable-memory 0.2.1 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 reusable-memory 0.2.1 [INFO] finished tweaking crates.io crate reusable-memory 0.2.1 [INFO] tweaked toml for crates.io crate reusable-memory 0.2.1 written to /workspace/builds/worker-3-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] 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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 24d8047b00128c34a6699ef7703b346c38bd13960fb14b613f0986003a3508c5 [INFO] running `Command { std: "docker" "start" "-a" "24d8047b00128c34a6699ef7703b346c38bd13960fb14b613f0986003a3508c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24d8047b00128c34a6699ef7703b346c38bd13960fb14b613f0986003a3508c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24d8047b00128c34a6699ef7703b346c38bd13960fb14b613f0986003a3508c5", kill_on_drop: false }` [INFO] [stdout] 24d8047b00128c34a6699ef7703b346c38bd13960fb14b613f0986003a3508c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b7a39d47789102b15393495dee697af82e5cf99452f79e8cfa88e788c76a27b1 [INFO] running `Command { std: "docker" "start" "-a" "b7a39d47789102b15393495dee697af82e5cf99452f79e8cfa88e788c76a27b1", kill_on_drop: false }` [INFO] [stderr] Compiling reusable-memory v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "b7a39d47789102b15393495dee697af82e5cf99452f79e8cfa88e788c76a27b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7a39d47789102b15393495dee697af82e5cf99452f79e8cfa88e788c76a27b1", kill_on_drop: false }` [INFO] [stdout] b7a39d47789102b15393495dee697af82e5cf99452f79e8cfa88e788c76a27b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7eda2bc4a212843f3b72022f6a436929a6f0733666e1c5fd7fbbe7d4ddfb9f49 [INFO] running `Command { std: "docker" "start" "-a" "7eda2bc4a212843f3b72022f6a436929a6f0733666e1c5fd7fbbe7d4ddfb9f49", kill_on_drop: false }` [INFO] [stderr] Compiling reusable-memory v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:304:16 [INFO] [stdout] | [INFO] [stdout] 304 | assert_eq!(DROP_COUNTER, 2); [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:310:16 [INFO] [stdout] | [INFO] [stdout] 310 | assert_eq!(DROP_COUNTER, 0); [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:347:16 [INFO] [stdout] | [INFO] [stdout] 347 | assert_eq!(DROP_COUNTER, 2); [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:352:15 [INFO] [stdout] | [INFO] [stdout] 352 | assert_eq!(DROP_COUNTER, 0); [INFO] [stdout] | ^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "7eda2bc4a212843f3b72022f6a436929a6f0733666e1c5fd7fbbe7d4ddfb9f49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eda2bc4a212843f3b72022f6a436929a6f0733666e1c5fd7fbbe7d4ddfb9f49", kill_on_drop: false }` [INFO] [stdout] 7eda2bc4a212843f3b72022f6a436929a6f0733666e1c5fd7fbbe7d4ddfb9f49