[INFO] cloning repository https://github.com/sabnatarajan/gh-contrib [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sabnatarajan/gh-contrib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabnatarajan%2Fgh-contrib", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabnatarajan%2Fgh-contrib'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c7ca8e0dc009de1597d6c0a32644960eabc9c800 [INFO] checking sabnatarajan/gh-contrib against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabnatarajan%2Fgh-contrib" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sabnatarajan/gh-contrib 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 git repo https://github.com/sabnatarajan/gh-contrib [INFO] finished tweaking git repo https://github.com/sabnatarajan/gh-contrib [INFO] tweaked toml for git repo https://github.com/sabnatarajan/gh-contrib written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sabnatarajan/gh-contrib 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 330adfad609a146d06b91db7d811fd9dd77bc1f73fa739e6f2c82e1052d4a5fd [INFO] running `Command { std: "docker" "start" "-a" "330adfad609a146d06b91db7d811fd9dd77bc1f73fa739e6f2c82e1052d4a5fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "330adfad609a146d06b91db7d811fd9dd77bc1f73fa739e6f2c82e1052d4a5fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "330adfad609a146d06b91db7d811fd9dd77bc1f73fa739e6f2c82e1052d4a5fd", kill_on_drop: false }` [INFO] [stdout] 330adfad609a146d06b91db7d811fd9dd77bc1f73fa739e6f2c82e1052d4a5fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9b158b2f454ecf2a81e18f773b9a377a9efdf3ce4dcddff08842fcb49b819012 [INFO] running `Command { std: "docker" "start" "-a" "9b158b2f454ecf2a81e18f773b9a377a9efdf3ce4dcddff08842fcb49b819012", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling siphasher v0.3.9 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking tracing v0.1.31 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking dtoa-short v0.3.3 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Checking string_cache v0.8.3 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Compiling selectors v0.22.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling cssparser v0.27.2 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling cssparser-macros v0.6.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking h2 v0.3.11 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking hyper v0.14.17 [INFO] [stderr] Checking scraper v0.12.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.9 [INFO] [stderr] Checking gh-contrib v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.97s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "9b158b2f454ecf2a81e18f773b9a377a9efdf3ce4dcddff08842fcb49b819012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b158b2f454ecf2a81e18f773b9a377a9efdf3ce4dcddff08842fcb49b819012", kill_on_drop: false }` [INFO] [stdout] 9b158b2f454ecf2a81e18f773b9a377a9efdf3ce4dcddff08842fcb49b819012 [INFO] checking sabnatarajan/gh-contrib against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabnatarajan%2Fgh-contrib" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sabnatarajan/gh-contrib 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 git repo https://github.com/sabnatarajan/gh-contrib [INFO] finished tweaking git repo https://github.com/sabnatarajan/gh-contrib [INFO] tweaked toml for git repo https://github.com/sabnatarajan/gh-contrib written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/sabnatarajan/gh-contrib 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cb99ec1cb784e71969dc514b9d8a4794f7ff6a141da86071d60d25c2778d30b2 [INFO] running `Command { std: "docker" "start" "-a" "cb99ec1cb784e71969dc514b9d8a4794f7ff6a141da86071d60d25c2778d30b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb99ec1cb784e71969dc514b9d8a4794f7ff6a141da86071d60d25c2778d30b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb99ec1cb784e71969dc514b9d8a4794f7ff6a141da86071d60d25c2778d30b2", kill_on_drop: false }` [INFO] [stdout] cb99ec1cb784e71969dc514b9d8a4794f7ff6a141da86071d60d25c2778d30b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07a9cb8202fed1fc04aab76c8f422172f2a60ccc3ce9fa09162ec34d0b7845d0 [INFO] running `Command { std: "docker" "start" "-a" "07a9cb8202fed1fc04aab76c8f422172f2a60ccc3ce9fa09162ec34d0b7845d0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling siphasher v0.3.9 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Checking mac v0.1.1 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Checking precomputed-hash v0.1.1 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking mio v0.8.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Checking phf_shared v0.10.0 [INFO] [stderr] Checking futf v0.1.5 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking tracing v0.1.31 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking tendril v0.4.2 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking dtoa-short v0.3.3 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Checking string_cache v0.8.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking servo_arc v0.1.1 [INFO] [stderr] Checking thin-slice v0.1.1 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking ego-tree v0.6.2 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.1 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Compiling selectors v0.22.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking h2 v0.3.11 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Compiling phf_macros v0.8.0 [INFO] [stderr] Compiling cssparser v0.27.2 [INFO] [stderr] Compiling html5ever v0.25.1 [INFO] [stderr] Compiling cssparser-macros v0.6.0 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking hyper v0.14.17 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.9 [INFO] [stderr] Checking scraper v0.12.0 [INFO] [stderr] Checking gh-contrib v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.90s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: html5ever v0.25.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "07a9cb8202fed1fc04aab76c8f422172f2a60ccc3ce9fa09162ec34d0b7845d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a9cb8202fed1fc04aab76c8f422172f2a60ccc3ce9fa09162ec34d0b7845d0", kill_on_drop: false }` [INFO] [stdout] 07a9cb8202fed1fc04aab76c8f422172f2a60ccc3ce9fa09162ec34d0b7845d0