[INFO] cloning repository https://github.com/mabysh/async_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mabysh/async_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabysh%2Fasync_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabysh%2Fasync_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d50b5675772353ddd27b3f3b7f983167d1467909
[INFO] checking mabysh/async_test against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmabysh%2Fasync_test" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mabysh/async_test on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mabysh/async_test
[INFO] finished tweaking git repo https://github.com/mabysh/async_test
[INFO] tweaked toml for git repo https://github.com/mabysh/async_test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mabysh/async_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 455714119b14af2e96928f9db8c218481e5749dba6a008814eda3f87e93ef9bf
[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" "455714119b14af2e96928f9db8c218481e5749dba6a008814eda3f87e93ef9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "455714119b14af2e96928f9db8c218481e5749dba6a008814eda3f87e93ef9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455714119b14af2e96928f9db8c218481e5749dba6a008814eda3f87e93ef9bf", kill_on_drop: false }`
[INFO] [stdout] 455714119b14af2e96928f9db8c218481e5749dba6a008814eda3f87e93ef9bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11dfb99e70463e430bd1646bc57254de9b756c710cea78889f79bf60ab7b0a3e
[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" "11dfb99e70463e430bd1646bc57254de9b756c710cea78889f79bf60ab7b0a3e", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking nonblock v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]     Checking tokio-executor v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.6
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.0
[INFO] [stderr]     Checking tokio-reactor v0.1.0
[INFO] [stderr]     Checking tokio v0.1.3
[INFO] [stderr]     Checking tokio-core v0.1.14
[INFO] [stderr]     Checking async_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `tokio_io::codec::*`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_io::codec::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::io::read`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio_io::io::read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::*`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use bytes::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::codec::*`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio_io::codec::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio_io::io::read`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use tokio_io::io::read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bytes::*`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use bytes::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/input_stream.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         self.inner.read_available(buf)
[INFO] [stdout]    |                                   ^^^ expected struct `Vec`, found slice `[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Vec<u8>`
[INFO] [stdout]               found mutable reference `&mut [u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_end` found for struct `nonblock::NonBlockingReader` in the current scope
[INFO] [stdout]   --> src/input_stream.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.inner.read_to_end(buf)
[INFO] [stdout]    |                    ^^^^^^^^^^^ method not found in `nonblock::NonBlockingReader<Stdin>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `nonblock::NonBlockingReader` in the current scope
[INFO] [stdout]   --> src/input_stream.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |         self.inner.read_to_string(buf)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ method not found in `nonblock::NonBlockingReader<Stdin>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_exact` found for struct `nonblock::NonBlockingReader` in the current scope
[INFO] [stdout]   --> src/input_stream.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.inner.read_exact(buf)
[INFO] [stdout]    |                    ^^^^^^^^^^ method not found in `nonblock::NonBlockingReader<Stdin>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/input_stream.rs:77:35
[INFO] [stdout]    |
[INFO] [stdout] 77 |         self.inner.read_available(buf)
[INFO] [stdout]    |                                   ^^^ expected struct `Vec`, found slice `[u8]`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Vec<u8>`
[INFO] [stdout]               found mutable reference `&mut [u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_end` found for struct `nonblock::NonBlockingReader` in the current scope
[INFO] [stdout]   --> src/input_stream.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |         self.inner.read_to_end(buf)
[INFO] [stdout]    |                    ^^^^^^^^^^^ method not found in `nonblock::NonBlockingReader<Stdin>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_string` found for struct `nonblock::NonBlockingReader` in the current scope
[INFO] [stdout]   --> src/input_stream.rs:83:20
[INFO] [stdout]    |
[INFO] [stdout] 83 |         self.inner.read_to_string(buf)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ method not found in `nonblock::NonBlockingReader<Stdin>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_test` due to 5 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `read_exact` found for struct `nonblock::NonBlockingReader` in the current scope
[INFO] [stdout]   --> src/input_stream.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |         self.inner.read_exact(buf)
[INFO] [stdout]    |                    ^^^^^^^^^^ method not found in `nonblock::NonBlockingReader<Stdin>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "11dfb99e70463e430bd1646bc57254de9b756c710cea78889f79bf60ab7b0a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11dfb99e70463e430bd1646bc57254de9b756c710cea78889f79bf60ab7b0a3e", kill_on_drop: false }`
[INFO] [stdout] 11dfb99e70463e430bd1646bc57254de9b756c710cea78889f79bf60ab7b0a3e