[INFO] cloning repository https://github.com/charliesome/future-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charliesome/future-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Ffuture-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Ffuture-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce50c16457ecc800c6c6860619e8851a5a85fd49
[INFO] testing charliesome/future-play against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharliesome%2Ffuture-play" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/charliesome/future-play on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/charliesome/future-play
[INFO] finished tweaking git repo https://github.com/charliesome/future-play
[INFO] tweaked toml for git repo https://github.com/charliesome/future-play written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/charliesome/future-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ac8bd0ce7034558073d29366322ff7feb811b75a5512b5b52dd2606ebe7f6bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ac8bd0ce7034558073d29366322ff7feb811b75a5512b5b52dd2606ebe7f6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ac8bd0ce7034558073d29366322ff7feb811b75a5512b5b52dd2606ebe7f6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac8bd0ce7034558073d29366322ff7feb811b75a5512b5b52dd2606ebe7f6bc", kill_on_drop: false }`
[INFO] [stdout] 9ac8bd0ce7034558073d29366322ff7feb811b75a5512b5b52dd2606ebe7f6bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afd2938f0b9050565d6234989b681cbd35de52af2a5efc4a7ab2e9edff8fbf3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7afd2938f0b9050565d6234989b681cbd35de52af2a5efc4a7ab2e9edff8fbf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling future-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RawWakerVTable`, `RawWaker`, `Waker`
[INFO] [stdout]  --> src/both.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::task::{Context, Waker, RawWaker, RawWakerVTable, Poll};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | async fn coro(mut chan: Chan<i32>) -> f64 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/both.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> bool {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/both.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/both.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(fut: F) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7afd2938f0b9050565d6234989b681cbd35de52af2a5efc4a7ab2e9edff8fbf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afd2938f0b9050565d6234989b681cbd35de52af2a5efc4a7ab2e9edff8fbf3", kill_on_drop: false }`
[INFO] [stdout] 7afd2938f0b9050565d6234989b681cbd35de52af2a5efc4a7ab2e9edff8fbf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c626cee30b8b5fd607dcd13930d2c649b960d31b06d354e00ad95eb48b5874db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c626cee30b8b5fd607dcd13930d2c649b960d31b06d354e00ad95eb48b5874db", kill_on_drop: false }`
[INFO] [stderr]    Compiling future-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `RawWakerVTable`, `RawWaker`, `Waker`
[INFO] [stdout]  --> src/both.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::task::{Context, Waker, RawWaker, RawWakerVTable, Poll};
[INFO] [stdout]   |                           ^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 | async fn coro(mut chan: Chan<i32>) -> f64 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/both.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> bool {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/both.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/both.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new(fut: F) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "c626cee30b8b5fd607dcd13930d2c649b960d31b06d354e00ad95eb48b5874db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c626cee30b8b5fd607dcd13930d2c649b960d31b06d354e00ad95eb48b5874db", kill_on_drop: false }`
[INFO] [stdout] c626cee30b8b5fd607dcd13930d2c649b960d31b06d354e00ad95eb48b5874db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9c3188b80eeebf8e8a0cf4c3c5ea33ddbc781000023bd40eee695f26a1ebc79b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9c3188b80eeebf8e8a0cf4c3c5ea33ddbc781000023bd40eee695f26a1ebc79b", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `RawWakerVTable`, `RawWaker`, `Waker`
[INFO] [stderr]  --> src/both.rs:5:27
[INFO] [stderr]   |
[INFO] [stderr] 5 | use core::task::{Context, Waker, RawWaker, RawWakerVTable, Poll};
[INFO] [stderr]   |                           ^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | async fn coro(mut chan: Chan<i32>) -> f64 {
[INFO] [stderr]    |               ----^^^^
[INFO] [stderr]    |               |
[INFO] [stderr]    |               help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/both.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> bool {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/both.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/both.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(fut: F) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/future_play-9d963f5757039642
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c3188b80eeebf8e8a0cf4c3c5ea33ddbc781000023bd40eee695f26a1ebc79b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3188b80eeebf8e8a0cf4c3c5ea33ddbc781000023bd40eee695f26a1ebc79b", kill_on_drop: false }`
[INFO] [stdout] 9c3188b80eeebf8e8a0cf4c3c5ea33ddbc781000023bd40eee695f26a1ebc79b
