[INFO] fetching crate comet-gc 0.1.3... [INFO] checking comet-gc-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate comet-gc 0.1.3 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate comet-gc 0.1.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate comet-gc 0.1.3 [INFO] finished tweaking crates.io crate comet-gc 0.1.3 [INFO] tweaked toml for crates.io crate comet-gc 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate comet-gc 0.1.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lock_api v0.4.5 [INFO] [stderr] Downloaded parking_lot_core v0.8.5 [INFO] [stderr] Downloaded modular-bitfield-impl v0.11.2 [INFO] [stderr] Downloaded redox_syscall v0.2.10 [INFO] [stderr] Downloaded smallvec v1.7.0 [INFO] [stderr] Downloaded autocfg v1.0.1 [INFO] [stderr] Downloaded atomic v0.5.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.32 [INFO] [stderr] Downloaded syn v1.0.81 [INFO] [stderr] Downloaded quote v1.0.10 [INFO] [stderr] Downloaded libc v0.2.105 [INFO] [stderr] Downloaded modular-bitfield v0.11.2 [INFO] [stderr] Downloaded crossbeam-utils v0.8.5 [INFO] [stderr] Downloaded memmap2 v0.5.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d34d9d73d9ec243f6479be4d2f49643a95f665811133bb57898f05b27c3821b1 [INFO] running `Command { std: "docker" "start" "-a" "d34d9d73d9ec243f6479be4d2f49643a95f665811133bb57898f05b27c3821b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d34d9d73d9ec243f6479be4d2f49643a95f665811133bb57898f05b27c3821b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d34d9d73d9ec243f6479be4d2f49643a95f665811133bb57898f05b27c3821b1", kill_on_drop: false }` [INFO] [stdout] d34d9d73d9ec243f6479be4d2f49643a95f665811133bb57898f05b27c3821b1 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f29816b2d62955f925300cfd8a2fba7c1c9e7098571316a93f4260716c8eef64 [INFO] running `Command { std: "docker" "start" "-a" "f29816b2d62955f925300cfd8a2fba7c1c9e7098571316a93f4260716c8eef64", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking memmap2 v0.5.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Checking modular-bitfield v0.11.2 [INFO] [stderr] Checking comet-gc v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | Box::from_raw(heap); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = Box::from_raw(heap); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/lib.rs:149:13 [INFO] [stdout] | [INFO] [stdout] 149 | Box::from_raw(heap); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 149 | let _ = Box::from_raw(heap); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.36s [INFO] running `Command { std: "docker" "inspect" "f29816b2d62955f925300cfd8a2fba7c1c9e7098571316a93f4260716c8eef64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f29816b2d62955f925300cfd8a2fba7c1c9e7098571316a93f4260716c8eef64", kill_on_drop: false }` [INFO] [stdout] f29816b2d62955f925300cfd8a2fba7c1c9e7098571316a93f4260716c8eef64 [INFO] checking comet-gc-0.1.3 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate comet-gc 0.1.3 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate comet-gc 0.1.3 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate comet-gc 0.1.3 [INFO] finished tweaking crates.io crate comet-gc 0.1.3 [INFO] tweaked toml for crates.io crate comet-gc 0.1.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate comet-gc 0.1.3 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8996ebc6cbb5ce7f4045ddcf323a349a2e20309362ceb819b4013d618083bb28 [INFO] running `Command { std: "docker" "start" "-a" "8996ebc6cbb5ce7f4045ddcf323a349a2e20309362ceb819b4013d618083bb28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8996ebc6cbb5ce7f4045ddcf323a349a2e20309362ceb819b4013d618083bb28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8996ebc6cbb5ce7f4045ddcf323a349a2e20309362ceb819b4013d618083bb28", kill_on_drop: false }` [INFO] [stdout] 8996ebc6cbb5ce7f4045ddcf323a349a2e20309362ceb819b4013d618083bb28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 667c96a1e255edab03634d5061a23e6d83b92ef80cdb1f20926005f791bfb359 [INFO] running `Command { std: "docker" "start" "-a" "667c96a1e255edab03634d5061a23e6d83b92ef80cdb1f20926005f791bfb359", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/src/sync/parker.rs:364:25 [INFO] [stdout] | [INFO] [stdout] 364 | / match self.state.swap(EMPTY, SeqCst) { [INFO] [stdout] 365 | | NOTIFIED | PARKED => return, [INFO] [stdout] 366 | | n => panic!("inconsistent park_timeout state: {}", n), [INFO] [stdout] 367 | | }; [INFO] [stdout] | |_________________________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "667c96a1e255edab03634d5061a23e6d83b92ef80cdb1f20926005f791bfb359", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "667c96a1e255edab03634d5061a23e6d83b92ef80cdb1f20926005f791bfb359", kill_on_drop: false }` [INFO] [stdout] 667c96a1e255edab03634d5061a23e6d83b92ef80cdb1f20926005f791bfb359