[INFO] fetching crate and-then-concurrent 0.1.0... [INFO] checking and-then-concurrent-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate and-then-concurrent 0.1.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate and-then-concurrent 0.1.0 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 and-then-concurrent 0.1.0 [INFO] finished tweaking crates.io crate and-then-concurrent 0.1.0 [INFO] tweaked toml for crates.io crate and-then-concurrent 0.1.0 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 41 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.6.0 (latest: v1.6.0) [INFO] [stderr] Adding mio v0.7.14 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding ntapi v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio v0.3.7 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v0.3.2 (latest: v2.2.0) [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v0.3.2 [INFO] [stderr] Downloaded miow v0.3.7 [INFO] [stderr] Downloaded parking_lot_core v0.8.6 [INFO] [stderr] Downloaded parking_lot v0.11.2 [INFO] [stderr] Downloaded bytes v0.6.0 [INFO] [stderr] Downloaded mio v0.7.14 [INFO] [stderr] Downloaded ntapi v0.3.7 [INFO] [stderr] Downloaded tokio v0.3.7 [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] 48b9b6cdddaa02e309d7a9cfc817601f36133809ce77f4057783cc6cadc61133 [INFO] running `Command { std: "docker" "start" "-a" "48b9b6cdddaa02e309d7a9cfc817601f36133809ce77f4057783cc6cadc61133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48b9b6cdddaa02e309d7a9cfc817601f36133809ce77f4057783cc6cadc61133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48b9b6cdddaa02e309d7a9cfc817601f36133809ce77f4057783cc6cadc61133", kill_on_drop: false }` [INFO] [stdout] 48b9b6cdddaa02e309d7a9cfc817601f36133809ce77f4057783cc6cadc61133 [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] 69f6719b132733dd6ee2dbdce6f0f143d77116053d1131dfae5e515239cb5f9c [INFO] running `Command { std: "docker" "start" "-a" "69f6719b132733dd6ee2dbdce6f0f143d77116053d1131dfae5e515239cb5f9c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling tokio-macros v0.3.2 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking and-then-concurrent v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.99s [INFO] running `Command { std: "docker" "inspect" "69f6719b132733dd6ee2dbdce6f0f143d77116053d1131dfae5e515239cb5f9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69f6719b132733dd6ee2dbdce6f0f143d77116053d1131dfae5e515239cb5f9c", kill_on_drop: false }` [INFO] [stdout] 69f6719b132733dd6ee2dbdce6f0f143d77116053d1131dfae5e515239cb5f9c [INFO] checking and-then-concurrent-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate and-then-concurrent 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate and-then-concurrent 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate and-then-concurrent 0.1.0 [INFO] finished tweaking crates.io crate and-then-concurrent 0.1.0 [INFO] tweaked toml for crates.io crate and-then-concurrent 0.1.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 41 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.6.0 (latest: v1.6.0) [INFO] [stderr] Adding mio v0.7.14 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding ntapi v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding tokio v0.3.7 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v0.3.2 (latest: v2.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ff0205421e77df8e6637f90efb9c14df7101c86d5804f77d876fd6ef8908502e [INFO] running `Command { std: "docker" "start" "-a" "ff0205421e77df8e6637f90efb9c14df7101c86d5804f77d876fd6ef8908502e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff0205421e77df8e6637f90efb9c14df7101c86d5804f77d876fd6ef8908502e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff0205421e77df8e6637f90efb9c14df7101c86d5804f77d876fd6ef8908502e", kill_on_drop: false }` [INFO] [stdout] ff0205421e77df8e6637f90efb9c14df7101c86d5804f77d876fd6ef8908502e [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5b9d07415b23126a621335e5aeee85c0147c6f88c951889e5b954ea25521183 [INFO] running `Command { std: "docker" "start" "-a" "d5b9d07415b23126a621335e5aeee85c0147c6f88c951889e5b954ea25521183", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking bytes v0.6.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling tokio v0.3.7 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v0.3.2 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Checking and-then-concurrent v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.57s [INFO] running `Command { std: "docker" "inspect" "d5b9d07415b23126a621335e5aeee85c0147c6f88c951889e5b954ea25521183", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5b9d07415b23126a621335e5aeee85c0147c6f88c951889e5b954ea25521183", kill_on_drop: false }` [INFO] [stdout] d5b9d07415b23126a621335e5aeee85c0147c6f88c951889e5b954ea25521183