[INFO] fetching crate fstrings-rust-proc-macro 1.0.0... [INFO] checking fstrings-rust-proc-macro-1.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate fstrings-rust-proc-macro 1.0.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate fstrings-rust-proc-macro 1.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate fstrings-rust-proc-macro 1.0.0 [INFO] finished tweaking crates.io crate fstrings-rust-proc-macro 1.0.0 [INFO] tweaked toml for crates.io crate fstrings-rust-proc-macro 1.0.0 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fc7ec570c4971ca1007643fe37e59297f5f88346be471a457c21210521b7b53 [INFO] running `Command { std: "docker" "start" "-a" "3fc7ec570c4971ca1007643fe37e59297f5f88346be471a457c21210521b7b53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fc7ec570c4971ca1007643fe37e59297f5f88346be471a457c21210521b7b53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc7ec570c4971ca1007643fe37e59297f5f88346be471a457c21210521b7b53", kill_on_drop: false }` [INFO] [stdout] 3fc7ec570c4971ca1007643fe37e59297f5f88346be471a457c21210521b7b53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea6ab18b236d8fe30bee6bfb9ef9d04c420a79a66c50a1c309ae1a7937252541 [INFO] running `Command { std: "docker" "start" "-a" "ea6ab18b236d8fe30bee6bfb9ef9d04c420a79a66c50a1c309ae1a7937252541", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Checking quote v1.0.9 [INFO] [stderr] Checking syn v1.0.74 [INFO] [stderr] Checking fstrings-rust-proc-macro v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> mod.rs:180:38 [INFO] [stdout] | [INFO] [stdout] 180 | | Segment::Self_(ident) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ident` [INFO] [stdout] --> mod.rs:180:38 [INFO] [stdout] | [INFO] [stdout] 180 | | Segment::Self_(ident) => { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_ident` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> mod.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(&input); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> mod.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | debug_input!(&input); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.02s [INFO] running `Command { std: "docker" "inspect" "ea6ab18b236d8fe30bee6bfb9ef9d04c420a79a66c50a1c309ae1a7937252541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea6ab18b236d8fe30bee6bfb9ef9d04c420a79a66c50a1c309ae1a7937252541", kill_on_drop: false }` [INFO] [stdout] ea6ab18b236d8fe30bee6bfb9ef9d04c420a79a66c50a1c309ae1a7937252541