[INFO] fetching crate dark-std 0.2.8... [INFO] checking dark-std-0.2.8 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate dark-std 0.2.8 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate dark-std 0.2.8 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dark-std 0.2.8 [INFO] finished tweaking crates.io crate dark-std 0.2.8 [INFO] tweaked toml for crates.io crate dark-std 0.2.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71b75d9f6ad67d9d9b0e0cc2c50da4c0824593a9c5b2d08ce9e3069f7298c03c [INFO] running `Command { std: "docker" "start" "-a" "71b75d9f6ad67d9d9b0e0cc2c50da4c0824593a9c5b2d08ce9e3069f7298c03c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71b75d9f6ad67d9d9b0e0cc2c50da4c0824593a9c5b2d08ce9e3069f7298c03c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71b75d9f6ad67d9d9b0e0cc2c50da4c0824593a9c5b2d08ce9e3069f7298c03c", kill_on_drop: false }` [INFO] [stdout] 71b75d9f6ad67d9d9b0e0cc2c50da4c0824593a9c5b2d08ce9e3069f7298c03c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c41a49c41c54f8c06ff34995c4f4714fe05a7bf4d88028be9e3d5ac818fd877c [INFO] running `Command { std: "docker" "start" "-a" "c41a49c41c54f8c06ff34995c4f4714fe05a7bf4d88028be9e3d5ac818fd877c", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking dark-std v0.2.8 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stdout] warning: unused variable: `rev` [INFO] [stdout] --> benches/bench_rw_vec.rs:81:16 [INFO] [stdout] | [INFO] [stdout] 81 | let (send, rev) = crossbeam::channel::unbounded(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rev` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> tests/btree.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | assert_eq!(2, *g.deref()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [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 10.06s [INFO] running `Command { std: "docker" "inspect" "c41a49c41c54f8c06ff34995c4f4714fe05a7bf4d88028be9e3d5ac818fd877c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c41a49c41c54f8c06ff34995c4f4714fe05a7bf4d88028be9e3d5ac818fd877c", kill_on_drop: false }` [INFO] [stdout] c41a49c41c54f8c06ff34995c4f4714fe05a7bf4d88028be9e3d5ac818fd877c [INFO] checking dark-std-0.2.8 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate dark-std 0.2.8 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate dark-std 0.2.8 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate dark-std 0.2.8 [INFO] finished tweaking crates.io crate dark-std 0.2.8 [INFO] tweaked toml for crates.io crate dark-std 0.2.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ac8cf39d5b17ac18c7ab9aa50685e3426d39dd844c672f68c0a2514cbc5c4c5 [INFO] running `Command { std: "docker" "start" "-a" "7ac8cf39d5b17ac18c7ab9aa50685e3426d39dd844c672f68c0a2514cbc5c4c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ac8cf39d5b17ac18c7ab9aa50685e3426d39dd844c672f68c0a2514cbc5c4c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ac8cf39d5b17ac18c7ab9aa50685e3426d39dd844c672f68c0a2514cbc5c4c5", kill_on_drop: false }` [INFO] [stdout] 7ac8cf39d5b17ac18c7ab9aa50685e3426d39dd844c672f68c0a2514cbc5c4c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 36225464fa11bf68633b5e2f70b4f02f14f3d96f02662cea43fe57784914d4c2 [INFO] running `Command { std: "docker" "start" "-a" "36225464fa11bf68633b5e2f70b4f02f14f3d96f02662cea43fe57784914d4c2", kill_on_drop: false }` [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking parking_lot_core v0.9.9 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking spin v0.9.8 [INFO] [stderr] Checking flume v0.11.0 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking dark-std v0.2.8 (/opt/rustwide/workdir) [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> tests/btree.rs:58:21 [INFO] [stdout] | [INFO] [stdout] 58 | assert_eq!(2, *g.deref()); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `i32` does not implement `Deref`, so calling `deref` on `&i32` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rev` [INFO] [stdout] --> benches/bench_rw_vec.rs:81:16 [INFO] [stdout] | [INFO] [stdout] 81 | let (send, rev) = crossbeam::channel::unbounded(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rev` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [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 11.10s [INFO] running `Command { std: "docker" "inspect" "36225464fa11bf68633b5e2f70b4f02f14f3d96f02662cea43fe57784914d4c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36225464fa11bf68633b5e2f70b4f02f14f3d96f02662cea43fe57784914d4c2", kill_on_drop: false }` [INFO] [stdout] 36225464fa11bf68633b5e2f70b4f02f14f3d96f02662cea43fe57784914d4c2