[INFO] fetching crate specializer 1.0.0... [INFO] building specializer-1.0.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1 [INFO] extracting crate specializer 1.0.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate specializer 1.0.0 [INFO] finished tweaking crates.io crate specializer 1.0.0 [INFO] tweaked toml for crates.io crate specializer 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate specializer 1.0.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate specializer 1.0.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pasts v0.14.3 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b13056de0b9e045a5c11c917962d4aa8e5004bb2e4f11ae22ea150c3d9cd45e0 [INFO] running `Command { std: "docker" "start" "-a" "b13056de0b9e045a5c11c917962d4aa8e5004bb2e4f11ae22ea150c3d9cd45e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b13056de0b9e045a5c11c917962d4aa8e5004bb2e4f11ae22ea150c3d9cd45e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b13056de0b9e045a5c11c917962d4aa8e5004bb2e4f11ae22ea150c3d9cd45e0", kill_on_drop: false }` [INFO] [stdout] b13056de0b9e045a5c11c917962d4aa8e5004bb2e4f11ae22ea150c3d9cd45e0 [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06596a48fdfa797b61dbbaf5810f6bf033479b4f782f7278bc73e902f3257c76 [INFO] running `Command { std: "docker" "start" "-a" "06596a48fdfa797b61dbbaf5810f6bf033479b4f782f7278bc73e902f3257c76", kill_on_drop: false }` [INFO] [stderr] Compiling specializer v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | <(dyn Any + 'static)>::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - <(dyn Any + 'static)>::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] 25 + ::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | <(dyn Any + 'static)>::downcast_ref::(ty) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 51 - <(dyn Any + 'static)>::downcast_ref::(ty) [INFO] [stdout] 51 + ::downcast_ref::(ty) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 77 | <(dyn Any + 'static)>::downcast_mut::(ty) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 - <(dyn Any + 'static)>::downcast_mut::(ty) [INFO] [stdout] 77 + ::downcast_mut::(ty) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "06596a48fdfa797b61dbbaf5810f6bf033479b4f782f7278bc73e902f3257c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06596a48fdfa797b61dbbaf5810f6bf033479b4f782f7278bc73e902f3257c76", kill_on_drop: false }` [INFO] [stdout] 06596a48fdfa797b61dbbaf5810f6bf033479b4f782f7278bc73e902f3257c76 [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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f64386b06ae20070564f99f1f776fd1a9e505397b2f19efc260857b6cc82eff1 [INFO] running `Command { std: "docker" "start" "-a" "f64386b06ae20070564f99f1f776fd1a9e505397b2f19efc260857b6cc82eff1", kill_on_drop: false }` [INFO] [stderr] Compiling pasts v0.14.3 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | <(dyn Any + 'static)>::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - <(dyn Any + 'static)>::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] 25 + ::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | <(dyn Any + 'static)>::downcast_ref::(ty) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 51 - <(dyn Any + 'static)>::downcast_ref::(ty) [INFO] [stdout] 51 + ::downcast_ref::(ty) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 77 | <(dyn Any + 'static)>::downcast_mut::(ty) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 - <(dyn Any + 'static)>::downcast_mut::(ty) [INFO] [stdout] 77 + ::downcast_mut::(ty) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling specializer v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:25:6 [INFO] [stdout] | [INFO] [stdout] 25 | <(dyn Any + 'static)>::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 25 - <(dyn Any + 'static)>::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] 25 + ::downcast_mut::>(&mut Some(ty))?.take() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:51:6 [INFO] [stdout] | [INFO] [stdout] 51 | <(dyn Any + 'static)>::downcast_ref::(ty) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 51 - <(dyn Any + 'static)>::downcast_ref::(ty) [INFO] [stdout] 51 + ::downcast_ref::(ty) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/api.rs:77:6 [INFO] [stdout] | [INFO] [stdout] 77 | <(dyn Any + 'static)>::downcast_mut::(ty) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 77 - <(dyn Any + 'static)>::downcast_mut::(ty) [INFO] [stdout] 77 + ::downcast_mut::(ty) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "f64386b06ae20070564f99f1f776fd1a9e505397b2f19efc260857b6cc82eff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64386b06ae20070564f99f1f776fd1a9e505397b2f19efc260857b6cc82eff1", kill_on_drop: false }` [INFO] [stdout] f64386b06ae20070564f99f1f776fd1a9e505397b2f19efc260857b6cc82eff1