[INFO] fetching crate grad 0.1.0... [INFO] checking grad-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate grad 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate grad 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 grad 0.1.0 [INFO] finished tweaking crates.io crate grad 0.1.0 [INFO] tweaked toml for crates.io crate grad 0.1.0 written to /workspace/builds/worker-0-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 197 packages [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding base64 v0.11.0 (latest: v0.22.0) [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 v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding env_logger v0.5.13 (latest: v0.11.3) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding h2 v0.1.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding headers v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding headers-core v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (latest: v1.0.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding hyper v0.12.36 (latest: v1.2.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding input_buffer v0.2.0 (latest: v0.5.0) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mime v0.2.6 (latest: v0.3.17) [INFO] [stderr] Adding mime_guess v1.8.8 (latest: v2.0.4) [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 multipart v0.16.1 (latest: v0.18.0) [INFO] [stderr] Adding nom v4.2.3 (latest: v7.1.3) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding phf v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_codegen v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding pretty_env_logger v0.2.5 (latest: v0.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serde_urlencoded v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding sha-1 v0.8.2 (latest: v0.10.1) [INFO] [stderr] Adding siphasher v0.2.3 (latest: v1.0.1) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding string v0.2.1 (latest: v0.3.0) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding tungstenite v0.9.2 (latest: v0.21.0) [INFO] [stderr] Adding twoway v0.1.8 (latest: v0.2.2) [INFO] [stderr] Adding unicase v1.4.2 (latest: v2.7.0) [INFO] [stderr] Adding urlencoding v1.3.3 (latest: v2.1.3) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [INFO] [stderr] Adding want v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding warp v0.1.23 (latest: v0.3.6) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [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 input_buffer v0.2.0 [INFO] [stderr] Downloaded twoway v0.1.8 [INFO] [stderr] Downloaded headers-core v0.1.1 [INFO] [stderr] Downloaded pretty_env_logger v0.2.5 [INFO] [stderr] Downloaded buf_redux v0.8.4 [INFO] [stderr] Downloaded headers v0.2.3 [INFO] [stderr] Downloaded multipart v0.16.1 [INFO] [stderr] Downloaded tungstenite v0.9.2 [INFO] [stderr] Downloaded warp v0.1.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3062620af49011ccd6f387bd3a0064f82e380cb4ecc91a89049f3df5f252f504 [INFO] running `Command { std: "docker" "start" "-a" "3062620af49011ccd6f387bd3a0064f82e380cb4ecc91a89049f3df5f252f504", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3062620af49011ccd6f387bd3a0064f82e380cb4ecc91a89049f3df5f252f504", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3062620af49011ccd6f387bd3a0064f82e380cb4ecc91a89049f3df5f252f504", kill_on_drop: false }` [INFO] [stdout] 3062620af49011ccd6f387bd3a0064f82e380cb4ecc91a89049f3df5f252f504 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c80b034ad23225c35b8cc753a52263308ed692dc4b14dc28b04cedc696b98b57 [INFO] running `Command { std: "docker" "start" "-a" "c80b034ad23225c35b8cc753a52263308ed692dc4b14dc28b04cedc696b98b57", kill_on_drop: false }` [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking headers-core v0.1.1 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking headers v0.2.3 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Checking tungstenite v0.9.2 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking pretty_env_logger v0.2.5 [INFO] [stderr] Checking warp v0.1.23 [INFO] [stderr] Checking grad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/statsd/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate tokio; [INFO] [stdout] | ------------------- the item `tokio` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tokio` is imported redundantly [INFO] [stdout] --> src/statsd/mod.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | extern crate tokio; [INFO] [stdout] | ------------------- the item `tokio` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `warp::index`: renamed to warp::path::end [INFO] [stdout] --> src/main.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | let root = warp::index().map(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `warp::index`: renamed to warp::path::end [INFO] [stdout] --> src/main.rs:26:22 [INFO] [stdout] | [INFO] [stdout] 26 | let root = warp::index().map(|| { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:3 [INFO] [stdout] | [INFO] [stdout] 54 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:54:3 [INFO] [stdout] | [INFO] [stdout] 54 | write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | write!(&mut s, ", {}={}", tag.key, tag.value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.73s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.16.1, nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "c80b034ad23225c35b8cc753a52263308ed692dc4b14dc28b04cedc696b98b57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c80b034ad23225c35b8cc753a52263308ed692dc4b14dc28b04cedc696b98b57", kill_on_drop: false }` [INFO] [stdout] c80b034ad23225c35b8cc753a52263308ed692dc4b14dc28b04cedc696b98b57 [INFO] checking grad-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate grad 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate grad 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 grad 0.1.0 [INFO] finished tweaking crates.io crate grad 0.1.0 [INFO] tweaked toml for crates.io crate grad 0.1.0 written to /workspace/builds/worker-0-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 197 packages [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding base64 v0.10.1 (latest: v0.22.0) [INFO] [stderr] Adding base64 v0.11.0 (latest: v0.22.0) [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 v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding dtoa v0.4.8 (latest: v1.0.9) [INFO] [stderr] Adding env_logger v0.5.13 (latest: v0.11.3) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding h2 v0.1.26 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding headers v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding headers-core v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding http v0.1.21 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.1.0 (latest: v1.0.0) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding hyper v0.12.36 (latest: v1.2.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding input_buffer v0.2.0 (latest: v0.5.0) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [INFO] [stderr] Adding mime v0.2.6 (latest: v0.3.17) [INFO] [stderr] Adding mime_guess v1.8.8 (latest: v2.0.4) [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 multipart v0.16.1 (latest: v0.18.0) [INFO] [stderr] Adding nom v4.2.3 (latest: v7.1.3) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding phf v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_codegen v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_generator v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding phf_shared v0.7.24 (latest: v0.11.2) [INFO] [stderr] Adding pretty_env_logger v0.2.5 (latest: v0.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serde_urlencoded v0.6.1 (latest: v0.7.1) [INFO] [stderr] Adding sha-1 v0.8.2 (latest: v0.10.1) [INFO] [stderr] Adding siphasher v0.2.3 (latest: v1.0.1) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding string v0.2.1 (latest: v0.3.0) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding tungstenite v0.9.2 (latest: v0.21.0) [INFO] [stderr] Adding twoway v0.1.8 (latest: v0.2.2) [INFO] [stderr] Adding unicase v1.4.2 (latest: v2.7.0) [INFO] [stderr] Adding urlencoding v1.3.3 (latest: v2.1.3) [INFO] [stderr] Adding version_check v0.1.5 (latest: v0.9.4) [INFO] [stderr] Adding want v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding warp v0.1.23 (latest: v0.3.6) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 52b49bea8dba207c6a8f591bcac00e2980a64c4a1200da5e711114287bf1b907 [INFO] running `Command { std: "docker" "start" "-a" "52b49bea8dba207c6a8f591bcac00e2980a64c4a1200da5e711114287bf1b907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "52b49bea8dba207c6a8f591bcac00e2980a64c4a1200da5e711114287bf1b907", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52b49bea8dba207c6a8f591bcac00e2980a64c4a1200da5e711114287bf1b907", kill_on_drop: false }` [INFO] [stdout] 52b49bea8dba207c6a8f591bcac00e2980a64c4a1200da5e711114287bf1b907 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1bef4d0448d1ffd15b89c675b0793900ed412f7a5717a439c3cc646333b1283e [INFO] running `Command { std: "docker" "start" "-a" "1bef4d0448d1ffd15b89c675b0793900ed412f7a5717a439c3cc646333b1283e", kill_on_drop: false }` [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking headers-core v0.1.1 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking headers v0.2.3 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking tungstenite v0.9.2 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking pretty_env_logger v0.2.5 [INFO] [stderr] Checking warp v0.1.23 [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:502:30 [INFO] [stdout] | [INFO] [stdout] 502 | .forward(tx.sink_map_err(|_| ())) [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: the method call chain might not have had the expected associated types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:502:33 [INFO] [stdout] | [INFO] [stdout] 502 | .forward(tx.sink_map_err(|_| ())) [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^^ `Sink::SinkError` is `()` here [INFO] [stdout] | | [INFO] [stdout] | this expression has type `SplitSink` [INFO] [stdout] note: required by a bound in `futures::Stream::forward` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/stream/mod.rs:1068:28 [INFO] [stdout] | [INFO] [stdout] 1066 | fn forward(self, sink: S) -> Forward [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] 1067 | where S: Sink, [INFO] [stdout] 1068 | Self::Error: From, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `Stream::forward` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:503:22 [INFO] [stdout] | [INFO] [stdout] 503 | .map(|_| ()); [INFO] [stdout] | ^^^ the trait `From<()>` is not implemented for `!`, which is required by `Forward, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:499:30: 499:34}>, SinkMapErr, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:502:46: 502:49}>>: futures::Future` [INFO] [stdout] | [INFO] [stdout] = help: the trait `futures::Future` is implemented for `Forward` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] = note: required for `Forward, {closure@test.rs:499:30}>, SinkMapErr, ...>>` to implement `futures::Future` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/warp-ac595856533c0e10.long-type-7427914987660424981.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:510:30 [INFO] [stdout] | [INFO] [stdout] 510 | .forward(rd_tx.sink_map_err(|_| ())) [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: the method call chain might not have had the expected associated types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:510:36 [INFO] [stdout] | [INFO] [stdout] 510 | .forward(rd_tx.sink_map_err(|_| ())) [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^^ `Sink::SinkError` is `()` here [INFO] [stdout] | | [INFO] [stdout] | this expression has type `UnboundedSender>` [INFO] [stdout] note: required by a bound in `futures::Stream::forward` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/stream/mod.rs:1068:28 [INFO] [stdout] | [INFO] [stdout] 1066 | fn forward(self, sink: S) -> Forward [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] 1067 | where S: Sink, [INFO] [stdout] 1068 | Self::Error: From, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `Stream::forward` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:511:22 [INFO] [stdout] | [INFO] [stdout] 511 | .map(|_| ()); [INFO] [stdout] | ^^^ the trait `From<()>` is not implemented for `!`, which is required by `Forward, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:506:33: 506:36}, Failed>, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:509:27: 509:35}, Result, _>>, SinkMapErr>, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:510:49: 510:52}>>: futures::Future` [INFO] [stdout] | [INFO] [stdout] = help: the trait `futures::Future` is implemented for `Forward` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] = note: required for `Forward, {closure@test.rs:506:33}, Done>, ..., ...>, ...>` to implement `futures::Future` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/warp-ac595856533c0e10.long-type-6663738164872165152.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:513:40 [INFO] [stdout] | [INFO] [stdout] 513 | rt.block_on(write.join(read)).expect("websocket forward"); [INFO] [stdout] | ---- ^^^^ the trait `From<()>` is not implemented for `!`, which is required by `futures::Map, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:506:33: 506:36}, Failed>, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:509:27: 509:35}, Result, _>>, SinkMapErr>, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:510:49: 510:52}>>, {closure@/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/warp-0.1.23/src/test.rs:511:26: 511:29}>: futures::Future` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the trait `futures::Future` is implemented for `futures::Map` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] = note: required for `Forward, {closure@test.rs:506:33}, Done>, ..., ...>, ...>` to implement `futures::Future` [INFO] [stdout] = note: 1 redundant requirement hidden [INFO] [stdout] = note: required for `Map, {closure@test.rs:506:33}, ...>, ..., ...>, ...>, ...>` to implement `futures::Future` [INFO] [stdout] note: required by a bound in `futures::Future::join` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.1.31/src/future/mod.rs:717:29 [INFO] [stdout] | [INFO] [stdout] 716 | fn join(self, other: B) -> Join [INFO] [stdout] | ---- required by a bound in this associated function [INFO] [stdout] 717 | where B: IntoFuture, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `Future::join` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/warp-ac595856533c0e10.long-type-12943600351822362327.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `warp` (lib) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "1bef4d0448d1ffd15b89c675b0793900ed412f7a5717a439c3cc646333b1283e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bef4d0448d1ffd15b89c675b0793900ed412f7a5717a439c3cc646333b1283e", kill_on_drop: false }` [INFO] [stdout] 1bef4d0448d1ffd15b89c675b0793900ed412f7a5717a439c3cc646333b1283e