[INFO] fetching crate specializer 1.0.0... [INFO] building specializer-1.0.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2 [INFO] extracting crate specializer 1.0.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate specializer 1.0.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73bafa1b2c9ad6c4d8aa1c03bc9d908b9c737cc8cc21217ee79677ea72badad4 [INFO] running `Command { std: "docker" "start" "-a" "73bafa1b2c9ad6c4d8aa1c03bc9d908b9c737cc8cc21217ee79677ea72badad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73bafa1b2c9ad6c4d8aa1c03bc9d908b9c737cc8cc21217ee79677ea72badad4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73bafa1b2c9ad6c4d8aa1c03bc9d908b9c737cc8cc21217ee79677ea72badad4", kill_on_drop: false }` [INFO] [stdout] 73bafa1b2c9ad6c4d8aa1c03bc9d908b9c737cc8cc21217ee79677ea72badad4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 51afcac9c9d611ddd872064a3fc029be20d602151c563b61cdbdbd217e67165f [INFO] running `Command { std: "docker" "start" "-a" "51afcac9c9d611ddd872064a3fc029be20d602151c563b61cdbdbd217e67165f", 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 0.30s [INFO] running `Command { std: "docker" "inspect" "51afcac9c9d611ddd872064a3fc029be20d602151c563b61cdbdbd217e67165f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51afcac9c9d611ddd872064a3fc029be20d602151c563b61cdbdbd217e67165f", kill_on_drop: false }` [INFO] [stdout] 51afcac9c9d611ddd872064a3fc029be20d602151c563b61cdbdbd217e67165f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47c5335835ac9089a2f725ff6cff013be938862cd320bcc0c0725c0a7967179e [INFO] running `Command { std: "docker" "start" "-a" "47c5335835ac9089a2f725ff6cff013be938862cd320bcc0c0725c0a7967179e", 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 0.83s [INFO] running `Command { std: "docker" "inspect" "47c5335835ac9089a2f725ff6cff013be938862cd320bcc0c0725c0a7967179e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47c5335835ac9089a2f725ff6cff013be938862cd320bcc0c0725c0a7967179e", kill_on_drop: false }` [INFO] [stdout] 47c5335835ac9089a2f725ff6cff013be938862cd320bcc0c0725c0a7967179e