[INFO] fetching crate lox-scanner 0.1.0... [INFO] building lox-scanner-0.1.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate lox-scanner 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate lox-scanner 0.1.0 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 lox-scanner 0.1.0 [INFO] finished tweaking crates.io crate lox-scanner 0.1.0 [INFO] tweaked toml for crates.io crate lox-scanner 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate lox-scanner 0.1.0 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded peekmore v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b856aac3df64d90ee950f573b5a952f0d6b7dd723780a51c48e3f4ffe2a50dc8 [INFO] running `Command { std: "docker" "start" "-a" "b856aac3df64d90ee950f573b5a952f0d6b7dd723780a51c48e3f4ffe2a50dc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b856aac3df64d90ee950f573b5a952f0d6b7dd723780a51c48e3f4ffe2a50dc8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b856aac3df64d90ee950f573b5a952f0d6b7dd723780a51c48e3f4ffe2a50dc8", kill_on_drop: false }` [INFO] [stdout] b856aac3df64d90ee950f573b5a952f0d6b7dd723780a51c48e3f4ffe2a50dc8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0db1c27fe425d94e7467c39ac6953dbf30e0001a22fc5449175852f3e6cebff9 [INFO] running `Command { std: "docker" "start" "-a" "0db1c27fe425d94e7467c39ac6953dbf30e0001a22fc5449175852f3e6cebff9", kill_on_drop: false }` [INFO] [stderr] Compiling peekmore v1.0.0 [INFO] [stderr] Compiling lox-scanner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `peek_ahead` is never used [INFO] [stdout] --> src/source_iterator.rs:38:19 [INFO] [stdout] | [INFO] [stdout] 12 | / impl SourceIterator [INFO] [stdout] 13 | | where [INFO] [stdout] 14 | | T: Iterator, [INFO] [stdout] | |_______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub(crate) fn peek_ahead(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "0db1c27fe425d94e7467c39ac6953dbf30e0001a22fc5449175852f3e6cebff9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0db1c27fe425d94e7467c39ac6953dbf30e0001a22fc5449175852f3e6cebff9", kill_on_drop: false }` [INFO] [stdout] 0db1c27fe425d94e7467c39ac6953dbf30e0001a22fc5449175852f3e6cebff9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] bfc60e963eef0224fa4148e89cad5e39c4818606a3d9a3835344fe1ea52c67ee [INFO] running `Command { std: "docker" "start" "-a" "bfc60e963eef0224fa4148e89cad5e39c4818606a3d9a3835344fe1ea52c67ee", kill_on_drop: false }` [INFO] [stderr] Compiling lox-scanner v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `peek_ahead` is never used [INFO] [stdout] --> src/source_iterator.rs:38:19 [INFO] [stdout] | [INFO] [stdout] 12 | / impl SourceIterator [INFO] [stdout] 13 | | where [INFO] [stdout] 14 | | T: Iterator, [INFO] [stdout] | |_______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub(crate) fn peek_ahead(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_ahead` is never used [INFO] [stdout] --> src/source_iterator.rs:38:19 [INFO] [stdout] | [INFO] [stdout] 12 | / impl SourceIterator [INFO] [stdout] 13 | | where [INFO] [stdout] 14 | | T: Iterator, [INFO] [stdout] | |_______________________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 38 | pub(crate) fn peek_ahead(&mut self) -> Option<&char> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "bfc60e963eef0224fa4148e89cad5e39c4818606a3d9a3835344fe1ea52c67ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfc60e963eef0224fa4148e89cad5e39c4818606a3d9a3835344fe1ea52c67ee", kill_on_drop: false }` [INFO] [stdout] bfc60e963eef0224fa4148e89cad5e39c4818606a3d9a3835344fe1ea52c67ee