[INFO] cloning repository https://github.com/woodgear/rust-lab [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/rust-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f8df2be96ba2331b3b0e065f21dd2a7f3a505d3 [INFO] checking woodgear/rust-lab against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/rust-lab 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 git repo https://github.com/woodgear/rust-lab [INFO] finished tweaking git repo https://github.com/woodgear/rust-lab [INFO] tweaked toml for git repo https://github.com/woodgear/rust-lab written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/woodgear/rust-lab 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-uds v0.2.5 [INFO] [stderr] Downloaded tokio-reactor v0.1.9 [INFO] [stderr] Downloaded tokio-io v0.1.12 [INFO] [stderr] Downloaded memoffset v0.5.1 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded constant_time_eq v0.1.4 [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded tokio-fs v0.1.6 [INFO] [stderr] Downloaded redox_users v0.3.1 [INFO] [stderr] Downloaded cc v1.0.41 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded backtrace v0.3.37 [INFO] [stderr] Downloaded backtrace-sys v0.1.31 [INFO] [stderr] Downloaded libc v0.2.62 [INFO] [stderr] Downloaded failure v0.1.5 [INFO] [stderr] Downloaded blake2b_simd v0.5.7 [INFO] [stderr] Downloaded rust-argon2 v0.5.1 [INFO] [stderr] Downloaded tokio-timer v0.2.11 [INFO] [stderr] Downloaded parking_lot v0.7.1 [INFO] [stderr] Downloaded futures v0.1.28 [INFO] [stderr] Downloaded tokio-sync v0.1.6 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded crossbeam-epoch v0.7.2 [INFO] [stderr] Downloaded crossbeam-deque v0.7.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.15 [INFO] [stderr] Downloaded tokio-udp v0.1.5 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded parking_lot_core v0.4.0 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded tokio-tcp v0.1.3 [INFO] [stderr] Downloaded owning_ref v0.4.0 [INFO] [stderr] Downloaded lock_api v0.1.5 [INFO] [stderr] Downloaded simplelog v0.7.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cd21228f32c0b43bba71d2f7c4d5f0a5a6408006dfa4e003f5efbfd85319fef5 [INFO] running `Command { std: "docker" "start" "-a" "cd21228f32c0b43bba71d2f7c4d5f0a5a6408006dfa4e003f5efbfd85319fef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cd21228f32c0b43bba71d2f7c4d5f0a5a6408006dfa4e003f5efbfd85319fef5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd21228f32c0b43bba71d2f7c4d5f0a5a6408006dfa4e003f5efbfd85319fef5", kill_on_drop: false }` [INFO] [stdout] cd21228f32c0b43bba71d2f7c4d5f0a5a6408006dfa4e003f5efbfd85319fef5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b48837bab253148aa62cc6f37a59eb515ca05e2b5989a90ffde7d063c64e8e1d [INFO] running `Command { std: "docker" "start" "-a" "b48837bab253148aa62cc6f37a59eb515ca05e2b5989a90ffde7d063c64e8e1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking backtrace v0.3.37 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking simplelog v0.7.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking tokio-demo v0.1.0 (/opt/rustwide/workdir/tokio-demo) [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> tokio-demo/src/main.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `LevelFilter` is imported redundantly [INFO] [stdout] --> tokio-demo/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use log::*; [INFO] [stdout] | ------ the item `LevelFilter` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `try_ready` [INFO] [stdout] --> tokio-demo/src/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{Async, Poll, Stream, try_ready}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `io::SeekFrom`, `io::prelude::*`, `path::*`, `self` [INFO] [stdout] --> tokio-demo/src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{fs::{self, File}, path::*, io::SeekFrom, io::prelude::*, thread}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> tokio-demo/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> tokio-demo/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::SendError` [INFO] [stdout] --> tokio-demo/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::SendError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> tokio-demo/src/main.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | ... Ok((())) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - Ok((())) [INFO] [stdout] 73 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Config` [INFO] [stdout] --> tokio-demo/src/main.rs:1:42 [INFO] [stdout] | [INFO] [stdout] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `LevelFilter` is imported redundantly [INFO] [stdout] --> tokio-demo/src/main.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use simplelog::{TermLogger, LevelFilter, Config, TerminalMode, ConfigBuilder}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 12 | use log::*; [INFO] [stdout] | ------ the item `LevelFilter` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `try_ready` [INFO] [stdout] --> tokio-demo/src/main.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::{Async, Poll, Stream, try_ready}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `File`, `io::SeekFrom`, `io::prelude::*`, `path::*`, `self` [INFO] [stdout] --> tokio-demo/src/main.rs:4:16 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{fs::{self, File}, path::*, io::SeekFrom, io::prelude::*, thread}; [INFO] [stdout] | ^^^^ ^^^^ ^^^^^^^ ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> tokio-demo/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> tokio-demo/src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::SendError` [INFO] [stdout] --> tokio-demo/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::sync::mpsc::SendError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> tokio-demo/src/main.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | ... Ok((())) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 73 - Ok((())) [INFO] [stdout] 73 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | }).map_err(|e|()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 107 | }).map_err(|e|())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tokio-demo/src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut t = Test::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread_handle` is never read [INFO] [stdout] --> tokio-demo/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Test { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 21 | thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | ... Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:101:21 [INFO] [stdout] | [INFO] [stdout] 101 | }).map_err(|e|()); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> tokio-demo/src/main.rs:107:25 [INFO] [stdout] | [INFO] [stdout] 107 | }).map_err(|e|())) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tokio-demo/src/main.rs:96:13 [INFO] [stdout] | [INFO] [stdout] 96 | let mut t = Test::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `thread_handle` is never read [INFO] [stdout] --> tokio-demo/src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Test { [INFO] [stdout] | ---- field in this struct [INFO] [stdout] 21 | thread_handle: JoinHandle<()>, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tokio-demo/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 94 | let _ = TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tokio-demo/src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 94 | let _ = TermLogger::init(LevelFilter::Debug, log_config, TerminalMode::Mixed); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.90s [INFO] running `Command { std: "docker" "inspect" "b48837bab253148aa62cc6f37a59eb515ca05e2b5989a90ffde7d063c64e8e1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b48837bab253148aa62cc6f37a59eb515ca05e2b5989a90ffde7d063c64e8e1d", kill_on_drop: false }` [INFO] [stdout] b48837bab253148aa62cc6f37a59eb515ca05e2b5989a90ffde7d063c64e8e1d [INFO] checking woodgear/rust-lab against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Frust-lab" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/woodgear/rust-lab 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 git repo https://github.com/woodgear/rust-lab [INFO] finished tweaking git repo https://github.com/woodgear/rust-lab [INFO] tweaked toml for git repo https://github.com/woodgear/rust-lab written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/woodgear/rust-lab 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b7ce979b2b6cec98625e429656f82c446093758e0d4ac9fc2c71c72f36a75f80 [INFO] running `Command { std: "docker" "start" "-a" "b7ce979b2b6cec98625e429656f82c446093758e0d4ac9fc2c71c72f36a75f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7ce979b2b6cec98625e429656f82c446093758e0d4ac9fc2c71c72f36a75f80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7ce979b2b6cec98625e429656f82c446093758e0d4ac9fc2c71c72f36a75f80", kill_on_drop: false }` [INFO] [stdout] b7ce979b2b6cec98625e429656f82c446093758e0d4ac9fc2c71c72f36a75f80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] de0443583bece0c1e03a022f7b1348675d84cee164aa4c7019396ba7e7821bd5 [INFO] running `Command { std: "docker" "start" "-a" "de0443583bece0c1e03a022f7b1348675d84cee164aa4c7019396ba7e7821bd5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [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 owning_ref v0.4.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking num-integer v0.1.41 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [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] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [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] 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" "de0443583bece0c1e03a022f7b1348675d84cee164aa4c7019396ba7e7821bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de0443583bece0c1e03a022f7b1348675d84cee164aa4c7019396ba7e7821bd5", kill_on_drop: false }` [INFO] [stdout] de0443583bece0c1e03a022f7b1348675d84cee164aa4c7019396ba7e7821bd5