[INFO] updating cached repository foresterre/stdin_minimal_case
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/foresterre/stdin_minimal_case
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/foresterre/stdin_minimal_case" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/foresterre/stdin_minimal_case"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/foresterre/stdin_minimal_case'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/foresterre/stdin_minimal_case" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/foresterre/stdin_minimal_case"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/foresterre/stdin_minimal_case'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c06947e9ecc21147fbe302a9406e1eac3250ad3
[INFO] sha for GitHub repo foresterre/stdin_minimal_case: 6c06947e9ecc21147fbe302a9406e1eac3250ad3
[INFO] validating manifest of foresterre/stdin_minimal_case on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of foresterre/stdin_minimal_case on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing foresterre/stdin_minimal_case
[INFO] finished frobbing foresterre/stdin_minimal_case
[INFO] frobbed toml for foresterre/stdin_minimal_case written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/foresterre/stdin_minimal_case/Cargo.toml
[INFO] started frobbing foresterre/stdin_minimal_case
[INFO] finished frobbing foresterre/stdin_minimal_case
[INFO] frobbed toml for foresterre/stdin_minimal_case written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/foresterre/stdin_minimal_case/Cargo.toml
[INFO] crate foresterre/stdin_minimal_case already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking foresterre/stdin_minimal_case against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-6/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/foresterre/stdin_minimal_case:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4656803f140aca846de7c4ccfee649f25c96498ad463ac009a42e99c59499e88
[INFO] running `"docker" "start" "-a" "4656803f140aca846de7c4ccfee649f25c96498ad463ac009a42e99c59499e88"`
[INFO] [stderr]     Checking tokio-stdin v0.1.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking stdin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/bin/asynced.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Stream` is imported redundantly
[INFO] [stderr]  --> src/bin/asynced.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                             ------ the item `Stream` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 7 |     use futures::Stream;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Future`
[INFO] [stderr]  --> src/bin/asynced.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sink`
[INFO] [stderr]  --> src/bin/asynced.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> src/bin/asynced.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/bin/asynced.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let s = tokio_stdin::spawn_stdin_stream_unbounded().wait();
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/bin/asynced.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/asynced.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut input: Vec<u8> = Vec::new();
[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: unused import: `std::io::Read`
[INFO] [stderr]  --> src/bin/asynced.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Stream` is imported redundantly
[INFO] [stderr]  --> src/bin/asynced.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                             ------ the item `Stream` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 7 |     use futures::Stream;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Future`
[INFO] [stderr]  --> src/bin/asynced.rs:3:15
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Sink`
[INFO] [stderr]  --> src/bin/asynced.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Stream`
[INFO] [stderr]  --> src/bin/asynced.rs:3:29
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::{Future, Sink, Stream};
[INFO] [stderr]   |                             ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]  --> src/bin/asynced.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let s = tokio_stdin::spawn_stdin_stream_unbounded().wait();
[INFO] [stderr]   |         ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/bin/asynced.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut input: Vec<u8> = Vec::new();
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/bin/asynced.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut input: Vec<u8> = Vec::new();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `"docker" "inspect" "4656803f140aca846de7c4ccfee649f25c96498ad463ac009a42e99c59499e88"`
[INFO] running `"docker" "rm" "-f" "4656803f140aca846de7c4ccfee649f25c96498ad463ac009a42e99c59499e88"`
[INFO] [stdout] 4656803f140aca846de7c4ccfee649f25c96498ad463ac009a42e99c59499e88