[INFO] cloning repository https://github.com/FYFcg/Rust_exercise_four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FYFcg/Rust_exercise_four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFYFcg%2FRust_exercise_four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFYFcg%2FRust_exercise_four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a24a996263ee589b1c41f52ce7e6a45144b8febb
[INFO] checking FYFcg/Rust_exercise_four against master#8f21a5c92ea55c348c275a1bc4fedbdf181e0d64 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFYFcg%2FRust_exercise_four" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FYFcg/Rust_exercise_four
[INFO] finished tweaking git repo https://github.com/FYFcg/Rust_exercise_four
[INFO] tweaked toml for git repo https://github.com/FYFcg/Rust_exercise_four written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FYFcg/Rust_exercise_four on toolchain 8f21a5c92ea55c348c275a1bc4fedbdf181e0d64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FYFcg/Rust_exercise_four 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" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baad24f89b294f1d6141fdd1fae8a413357e55e3034f64374b7085b5ecfbf374
[INFO] running `Command { std: "docker" "start" "-a" "baad24f89b294f1d6141fdd1fae8a413357e55e3034f64374b7085b5ecfbf374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baad24f89b294f1d6141fdd1fae8a413357e55e3034f64374b7085b5ecfbf374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baad24f89b294f1d6141fdd1fae8a413357e55e3034f64374b7085b5ecfbf374", kill_on_drop: false }`
[INFO] [stdout] baad24f89b294f1d6141fdd1fae8a413357e55e3034f64374b7085b5ecfbf374
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8f21a5c92ea55c348c275a1bc4fedbdf181e0d64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b984a7ffff373db6427e1edcfc9a4ae62be9bba27d95b6f559a10d165703854d
[INFO] running `Command { std: "docker" "start" "-a" "b984a7ffff373db6427e1edcfc9a4ae62be9bba27d95b6f559a10d165703854d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures::Feture`
[INFO] [stdout]  --> src/main.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{FutureExt, Feture};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          no `Feture` in the root
[INFO] [stdout]   |                          help: a similar name exists in the module: `Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures::Feture`
[INFO] [stdout]  --> src/main.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::{FutureExt, Feture};
[INFO] [stdout]   |                          ^^^^^^
[INFO] [stdout]   |                          |
[INFO] [stdout]   |                          no `Feture` in the root
[INFO] [stdout]   |                          help: a similar name exists in the module: `Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Future for Demo {
[INFO] [stdout]    |      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn multi_block_on<F: Future>(future: F) -> F::Output {
[INFO] [stdout]    |                      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn ori_block_on<F: Future>(future: F) -> F::Output {
[INFO] [stdout]    |                    ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn block_on<F: Future>(future: F) -> F::Output {
[INFO] [stdout]    |                ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]    --> src/main.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn spawn(fut: impl Future<Output = ()> + 'static + std::marker::Send) {
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::future::Future;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use futures::Future;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Future for Demo {
[INFO] [stdout]    |      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runtime` (bin "runtime") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:38:22
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn multi_block_on<F: Future>(future: F) -> F::Output {
[INFO] [stdout]    |                      ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn ori_block_on<F: Future>(future: F) -> F::Output {
[INFO] [stdout]    |                    ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]   --> src/main.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn block_on<F: Future>(future: F) -> F::Output {
[INFO] [stdout]    |                ^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]    |
[INFO] [stdout] 1  + use std::future::Future;
[INFO] [stdout]    |
[INFO] [stdout] 1  + use futures::Future;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Future` in this scope
[INFO] [stdout]    --> src/main.rs:155:20
[INFO] [stdout]     |
[INFO] [stdout] 155 | fn spawn(fut: impl Future<Output = ()> + 'static + std::marker::Send) {
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these traits
[INFO] [stdout]     |
[INFO] [stdout] 1   + use std::future::Future;
[INFO] [stdout]     |
[INFO] [stdout] 1   + use futures::Future;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `runtime` (bin "runtime" test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "b984a7ffff373db6427e1edcfc9a4ae62be9bba27d95b6f559a10d165703854d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b984a7ffff373db6427e1edcfc9a4ae62be9bba27d95b6f559a10d165703854d", kill_on_drop: false }`
[INFO] [stdout] b984a7ffff373db6427e1edcfc9a4ae62be9bba27d95b6f559a10d165703854d
