[INFO] fetching crate c3p0_common_async 0.44.0... [INFO] checking c3p0_common_async-0.44.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate c3p0_common_async 0.44.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate c3p0_common_async 0.44.0 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 c3p0_common_async 0.44.0 [INFO] finished tweaking crates.io crate c3p0_common_async 0.44.0 [INFO] tweaked toml for crates.io crate c3p0_common_async 0.44.0 written to /workspace/builds/worker-1-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 87 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding c3p0_common v0.44.0 (latest: v0.70.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding include_dir v0.5.0 (latest: v0.7.3) [INFO] [stderr] Adding include_dir_impl v0.5.0 (latest: v0.6.2) [INFO] [stderr] Adding md-5 v0.8.0 (latest: v0.10.6) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (latest: v2.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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 v0.2.6 [INFO] [stderr] Downloaded mio-uds v0.6.8 [INFO] [stderr] Downloaded signal-hook-registry v1.4.1 [INFO] [stderr] Downloaded mio-named-pipes v0.1.7 [INFO] [stderr] Downloaded futures-macro v0.3.30 [INFO] [stderr] Downloaded miow v0.2.2 [INFO] [stderr] Downloaded include_dir_impl v0.5.0 [INFO] [stderr] Downloaded include_dir v0.5.0 [INFO] [stderr] Downloaded miow v0.3.7 [INFO] [stderr] Downloaded generic-array v0.12.4 [INFO] [stderr] Downloaded md-5 v0.8.0 [INFO] [stderr] Downloaded async-trait v0.1.79 [INFO] [stderr] Downloaded walkdir v2.5.0 [INFO] [stderr] Downloaded futures v0.3.30 [INFO] [stderr] Downloaded c3p0_common v0.44.0 [INFO] [stderr] Downloaded futures-executor v0.3.30 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed2db5d336941d301ebd04ec2d4a7c1b39a4f61f62c7ff335aacbbb5b38fb5e1 [INFO] running `Command { std: "docker" "start" "-a" "ed2db5d336941d301ebd04ec2d4a7c1b39a4f61f62c7ff335aacbbb5b38fb5e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed2db5d336941d301ebd04ec2d4a7c1b39a4f61f62c7ff335aacbbb5b38fb5e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed2db5d336941d301ebd04ec2d4a7c1b39a4f61f62c7ff335aacbbb5b38fb5e1", kill_on_drop: false }` [INFO] [stdout] ed2db5d336941d301ebd04ec2d4a7c1b39a4f61f62c7ff335aacbbb5b38fb5e1 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b38662b1604e435f0f33ade2a3b6d067338131c7154d57ec5c361ebae5affd3 [INFO] running `Command { std: "docker" "start" "-a" "6b38662b1604e435f0f33ade2a3b6d067338131c7154d57ec5c361ebae5affd3", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking c3p0_common v0.44.0 [INFO] [stderr] Checking c3p0_common_async v0.44.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.99s [INFO] running `Command { std: "docker" "inspect" "6b38662b1604e435f0f33ade2a3b6d067338131c7154d57ec5c361ebae5affd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b38662b1604e435f0f33ade2a3b6d067338131c7154d57ec5c361ebae5affd3", kill_on_drop: false }` [INFO] [stdout] 6b38662b1604e435f0f33ade2a3b6d067338131c7154d57ec5c361ebae5affd3 [INFO] checking c3p0_common_async-0.44.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate c3p0_common_async 0.44.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate c3p0_common_async 0.44.0 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 c3p0_common_async 0.44.0 [INFO] finished tweaking crates.io crate c3p0_common_async 0.44.0 [INFO] tweaked toml for crates.io crate c3p0_common_async 0.44.0 written to /workspace/builds/worker-1-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 87 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding c3p0_common v0.44.0 (latest: v0.70.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding include_dir v0.5.0 (latest: v0.7.3) [INFO] [stderr] Adding include_dir_impl v0.5.0 (latest: v0.6.2) [INFO] [stderr] Adding md-5 v0.8.0 (latest: v0.10.6) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.37.0) [INFO] [stderr] Adding tokio-macros v0.2.6 (latest: v2.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75a2dcce6562be4e7abec368d39a5c76730650e5c1e20001be3e77d660e1efc2 [INFO] running `Command { std: "docker" "start" "-a" "75a2dcce6562be4e7abec368d39a5c76730650e5c1e20001be3e77d660e1efc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75a2dcce6562be4e7abec368d39a5c76730650e5c1e20001be3e77d660e1efc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75a2dcce6562be4e7abec368d39a5c76730650e5c1e20001be3e77d660e1efc2", kill_on_drop: false }` [INFO] [stdout] 75a2dcce6562be4e7abec368d39a5c76730650e5c1e20001be3e77d660e1efc2 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 546e2a17d529cb5bff4cce19639fb6075c7a312a46341e3406124780565d3a1e [INFO] running `Command { std: "docker" "start" "-a" "546e2a17d529cb5bff4cce19639fb6075c7a312a46341e3406124780565d3a1e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-project-lite v0.1.12 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling tokio-macros v0.2.6 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking c3p0_common v0.44.0 [INFO] [stderr] Checking c3p0_common_async v0.44.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s [INFO] running `Command { std: "docker" "inspect" "546e2a17d529cb5bff4cce19639fb6075c7a312a46341e3406124780565d3a1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "546e2a17d529cb5bff4cce19639fb6075c7a312a46341e3406124780565d3a1e", kill_on_drop: false }` [INFO] [stdout] 546e2a17d529cb5bff4cce19639fb6075c7a312a46341e3406124780565d3a1e