[INFO] fetching crate thirtyfour_sync 0.27.1... [INFO] checking thirtyfour_sync-0.27.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate thirtyfour_sync 0.27.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate thirtyfour_sync 0.27.1 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 thirtyfour_sync 0.27.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate thirtyfour_sync 0.27.1 [INFO] tweaked toml for crates.io crate thirtyfour_sync 0.27.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate thirtyfour_sync 0.27.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-rustls v0.23.2 [INFO] [stderr] Downloaded stringmatch v0.3.3 [INFO] [stderr] Downloaded urlparse v0.7.3 [INFO] [stderr] Downloaded thirtyfour v0.27.3 [INFO] [stderr] Downloaded displaydoc v0.1.7 [INFO] [stderr] Downloaded rustls-native-certs v0.6.1 [INFO] [stderr] Downloaded backtrace v0.3.63 [INFO] [stderr] Downloaded h2 v0.3.10 [INFO] [stderr] Downloaded reqwest v0.11.8 [INFO] [stderr] Downloaded openssl-src v111.17.0+1.1.1m [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] 34e9f879ddf7b34aa4757622cd834af64487320285309e00203e0d5d2e3e4edf [INFO] running `Command { std: "docker" "start" "-a" "34e9f879ddf7b34aa4757622cd834af64487320285309e00203e0d5d2e3e4edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34e9f879ddf7b34aa4757622cd834af64487320285309e00203e0d5d2e3e4edf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34e9f879ddf7b34aa4757622cd834af64487320285309e00203e0d5d2e3e4edf", kill_on_drop: false }` [INFO] [stdout] 34e9f879ddf7b34aa4757622cd834af64487320285309e00203e0d5d2e3e4edf [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] 65c06d3da40b70d9b347f36020ea7f27d46a7da20e68ffed8562806732028235 [INFO] running `Command { std: "docker" "start" "-a" "65c06d3da40b70d9b347f36020ea7f27d46a7da20e68ffed8562806732028235", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking stringmatch v0.3.3 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking urlparse v0.7.3 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling displaydoc v0.1.7 [INFO] [stderr] Compiling serde_repr v0.1.7 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking h2 v0.3.10 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.8 [INFO] [stderr] Checking thirtyfour v0.27.3 [INFO] [stderr] Checking thirtyfour_sync v0.27.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.45s [INFO] running `Command { std: "docker" "inspect" "65c06d3da40b70d9b347f36020ea7f27d46a7da20e68ffed8562806732028235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65c06d3da40b70d9b347f36020ea7f27d46a7da20e68ffed8562806732028235", kill_on_drop: false }` [INFO] [stdout] 65c06d3da40b70d9b347f36020ea7f27d46a7da20e68ffed8562806732028235 [INFO] checking thirtyfour_sync-0.27.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate thirtyfour_sync 0.27.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate thirtyfour_sync 0.27.1 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 thirtyfour_sync 0.27.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate thirtyfour_sync 0.27.1 [INFO] tweaked toml for crates.io crate thirtyfour_sync 0.27.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate thirtyfour_sync 0.27.1 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" "+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] f8b77b73167b5d433ec1279adb748b1f262bd182eb0603e99c819ec99e3302e9 [INFO] running `Command { std: "docker" "start" "-a" "f8b77b73167b5d433ec1279adb748b1f262bd182eb0603e99c819ec99e3302e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8b77b73167b5d433ec1279adb748b1f262bd182eb0603e99c819ec99e3302e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8b77b73167b5d433ec1279adb748b1f262bd182eb0603e99c819ec99e3302e9", kill_on_drop: false }` [INFO] [stdout] f8b77b73167b5d433ec1279adb748b1f262bd182eb0603e99c819ec99e3302e9 [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] a8acb06084e4988e2378aaf5050484219afc72985c3dc94fcf47401022c9439f [INFO] running `Command { std: "docker" "start" "-a" "a8acb06084e4988e2378aaf5050484219afc72985c3dc94fcf47401022c9439f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking sharded-slab v0.1.4 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking stringmatch v0.3.3 [INFO] [stderr] Checking object v0.27.1 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Checking urlparse v0.7.3 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking tracing-subscriber v0.2.25 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling backtrace v0.3.63 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking http-body v0.4.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Compiling tracing-attributes v0.1.18 [INFO] [stderr] Compiling futures-macro v0.3.19 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling serde_repr v0.1.7 [INFO] [stderr] Compiling displaydoc v0.1.7 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking futures-executor v0.3.19 [INFO] [stderr] Checking futures v0.3.19 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.10 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.8 [INFO] [stderr] Checking thirtyfour v0.27.3 [INFO] [stderr] Checking thirtyfour_sync v0.27.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.50s [INFO] running `Command { std: "docker" "inspect" "a8acb06084e4988e2378aaf5050484219afc72985c3dc94fcf47401022c9439f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8acb06084e4988e2378aaf5050484219afc72985c3dc94fcf47401022c9439f", kill_on_drop: false }` [INFO] [stdout] a8acb06084e4988e2378aaf5050484219afc72985c3dc94fcf47401022c9439f