[INFO] updating cached repository https://github.com/nacika-ins/roi
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8727d04057e13fd2e91db34844441dbd7fab0fff
[INFO] checking nacika-ins/roi against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnacika-ins%2Froi" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nacika-ins/roi on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nacika-ins/roi
[INFO] finished tweaking git repo https://github.com/nacika-ins/roi
[INFO] tweaked toml for git repo https://github.com/nacika-ins/roi written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nacika-ins/roi already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ca8fcaaf11b729f575b49b17b85567895895777fc4217a0a5de3b7fcce582f72
[INFO] running `"docker" "start" "-a" "ca8fcaaf11b729f575b49b17b85567895895777fc4217a0a5de3b7fcce582f72"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking clock_ticks v0.0.6
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking mio v0.6.7
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]     Checking statsd v0.1.2
[INFO] [stderr]     Checking tokio-core v0.1.7
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tokio-minihttp v0.1.0 (https://github.com/tokio-rs/tokio-minihttp.git#2c739394)
[INFO] [stderr]     Checking roi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use tokio_core::reactor::Core;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Sink`, `stream`
[INFO] [stderr]   --> src/main.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 | use futures::{stream, Future, Stream, Sink};
[INFO] [stderr]    |               ^^^^^^  ^^^^^^          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use tokio_io::AsyncRead;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]   --> src/main.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 | use std::{thread, time};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_core::reactor::Core`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use tokio_core::reactor::Core;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Future`, `Sink`, `stream`
[INFO] [stderr]   --> src/main.rs:20:15
[INFO] [stderr]    |
[INFO] [stderr] 20 | use futures::{stream, Future, Stream, Sink};
[INFO] [stderr]    |               ^^^^^^  ^^^^^^          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio_io::AsyncRead`
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use tokio_io::AsyncRead;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time`
[INFO] [stderr]   --> src/main.rs:27:19
[INFO] [stderr]    |
[INFO] [stderr] 27 | use std::{thread, time};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]   --> src/main.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 | use futures::{stream, Future, Stream, Sink};
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]   --> src/main.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 | use futures::{stream, Future, Stream, Sink};
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.82s
[INFO] running `"docker" "inspect" "ca8fcaaf11b729f575b49b17b85567895895777fc4217a0a5de3b7fcce582f72"`
[INFO] running `"docker" "rm" "-f" "ca8fcaaf11b729f575b49b17b85567895895777fc4217a0a5de3b7fcce582f72"`
[INFO] [stdout] ca8fcaaf11b729f575b49b17b85567895895777fc4217a0a5de3b7fcce582f72