[INFO] fetching crate msg-transmitter 0.3.2... [INFO] checking msg-transmitter-0.3.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate msg-transmitter 0.3.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate msg-transmitter 0.3.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate msg-transmitter 0.3.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate msg-transmitter 0.3.2 [INFO] tweaked toml for crates.io crate msg-transmitter 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [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 futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [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 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 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 smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42973ad9007e72356a183e7e0e4a56f017b62e822b792c6b5795ae401d387eb2 [INFO] running `Command { std: "docker" "start" "-a" "42973ad9007e72356a183e7e0e4a56f017b62e822b792c6b5795ae401d387eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42973ad9007e72356a183e7e0e4a56f017b62e822b792c6b5795ae401d387eb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42973ad9007e72356a183e7e0e4a56f017b62e822b792c6b5795ae401d387eb2", kill_on_drop: false }` [INFO] [stdout] 42973ad9007e72356a183e7e0e4a56f017b62e822b792c6b5795ae401d387eb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22d0524a38177b960642178441f3c19dd5fe8a14ebc0ee11961178486224d2df [INFO] running `Command { std: "docker" "start" "-a" "22d0524a38177b960642178441f3c19dd5fe8a14ebc0ee11961178486224d2df", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Compiling syn v2.0.58 [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 tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking msg-transmitter v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:161:33 [INFO] [stdout] | [INFO] [stdout] 161 | -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 161 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:245:33 [INFO] [stdout] | [INFO] [stdout] 245 | -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 245 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tcp.rs:43:35 [INFO] [stdout] | [INFO] [stdout] 43 | ... -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tcp.rs:82:63 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 82 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/uds.rs:43:35 [INFO] [stdout] | [INFO] [stdout] 43 | ... -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/uds.rs:81:63 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:161:33 [INFO] [stdout] | [INFO] [stdout] 161 | -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 161 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:245:33 [INFO] [stdout] | [INFO] [stdout] 245 | -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 245 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tcp.rs:43:35 [INFO] [stdout] | [INFO] [stdout] 43 | ... -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/tcp.rs:82:63 [INFO] [stdout] | [INFO] [stdout] 82 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 82 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/uds.rs:43:35 [INFO] [stdout] | [INFO] [stdout] 43 | ... -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 43 | -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/uds.rs:81:63 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 81 | pub fn start_client(&self, process_function: F) -> Box + Send + 'static> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:179:29 [INFO] [stdout] | [INFO] [stdout] 179 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 179 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:179:29 [INFO] [stdout] | [INFO] [stdout] 179 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 179 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:255:17 [INFO] [stdout] | [INFO] [stdout] 255 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 255 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:255:17 [INFO] [stdout] | [INFO] [stdout] 255 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 255 | let rx: Box, Error=io::Error> + Send> = Box::new(rx.map_err(|_| panic!())); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::sync::mpsc` [INFO] [stdout] --> examples/master_and_slave.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | use futures::sync::mpsc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> examples/master_and_slave.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | use std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `now` [INFO] [stdout] --> examples/master_and_slave.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let now = time::Instant::now(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_now` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s [INFO] running `Command { std: "docker" "inspect" "22d0524a38177b960642178441f3c19dd5fe8a14ebc0ee11961178486224d2df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22d0524a38177b960642178441f3c19dd5fe8a14ebc0ee11961178486224d2df", kill_on_drop: false }` [INFO] [stdout] 22d0524a38177b960642178441f3c19dd5fe8a14ebc0ee11961178486224d2df [INFO] checking msg-transmitter-0.3.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate msg-transmitter 0.3.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate msg-transmitter 0.3.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate msg-transmitter 0.3.2 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate msg-transmitter 0.3.2 [INFO] tweaked toml for crates.io crate msg-transmitter 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b48457fbfa4bb3e10a2c0f9c23a87535e6456754c81c7b304a3029dd8957aba [INFO] running `Command { std: "docker" "start" "-a" "2b48457fbfa4bb3e10a2c0f9c23a87535e6456754c81c7b304a3029dd8957aba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b48457fbfa4bb3e10a2c0f9c23a87535e6456754c81c7b304a3029dd8957aba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b48457fbfa4bb3e10a2c0f9c23a87535e6456754c81c7b304a3029dd8957aba", kill_on_drop: false }` [INFO] [stdout] 2b48457fbfa4bb3e10a2c0f9c23a87535e6456754c81c7b304a3029dd8957aba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 718b7545a4adbddab1a27b8d0e0ce70e528f2b2bc274b63c81d2b505783186dc [INFO] running `Command { std: "docker" "start" "-a" "718b7545a4adbddab1a27b8d0e0ce70e528f2b2bc274b63c81d2b505783186dc", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking slab v0.4.9 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 335 | buf_get_impl!(self, 2, BigEndian::read_u16); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 356 | buf_get_impl!(self, 2, LittleEndian::read_u16); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 385 | buf_get_impl!(self, 2, BigEndian::read_i16); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 406 | buf_get_impl!(self, 2, LittleEndian::read_i16); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 435 | buf_get_impl!(self, 4, BigEndian::read_u32); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 456 | buf_get_impl!(self, 4, LittleEndian::read_u32); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 485 | buf_get_impl!(self, 4, BigEndian::read_i32); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 506 | buf_get_impl!(self, 4, LittleEndian::read_i32); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 535 | buf_get_impl!(self, 8, BigEndian::read_u64); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 556 | buf_get_impl!(self, 8, LittleEndian::read_u64); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 585 | buf_get_impl!(self, 8, BigEndian::read_i64); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 606 | buf_get_impl!(self, 8, LittleEndian::read_i64); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 828 | buf_get_impl!(self, 4, BigEndian::read_f32); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 850 | buf_get_impl!(self, 4, LittleEndian::read_f32); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 880 | buf_get_impl!(self, 8, BigEndian::read_f64); [INFO] [stdout] | ------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.12/src/buf/buf.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | / if let Some(ret) = ret { [INFO] [stdout] 20 | | // if the direct convertion was possible, advance and return [INFO] [stdout] 21 | | $this.advance($size); [INFO] [stdout] 22 | | return ret; [INFO] [stdout] ... | [INFO] [stdout] 27 | | return $conv(&buf); [INFO] [stdout] 28 | | } [INFO] [stdout] | |_________^ cannot satisfy `_ -> _` [INFO] [stdout] ... [INFO] [stdout] 902 | buf_get_impl!(self, 8, LittleEndian::read_f64); [INFO] [stdout] | ---------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `buf_get_impl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 16 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0284`. [INFO] [stdout] [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] error: could not compile `bytes` (lib) due to 17 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "718b7545a4adbddab1a27b8d0e0ce70e528f2b2bc274b63c81d2b505783186dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "718b7545a4adbddab1a27b8d0e0ce70e528f2b2bc274b63c81d2b505783186dc", kill_on_drop: false }` [INFO] [stdout] 718b7545a4adbddab1a27b8d0e0ce70e528f2b2bc274b63c81d2b505783186dc