[INFO] cloning repository https://github.com/vimcdoe/yield_now_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vimcdoe/yield_now_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimcdoe%2Fyield_now_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimcdoe%2Fyield_now_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec5c9da05443eae08f747d0704a51cf4de9d49aa
[INFO] checking vimcdoe/yield_now_test against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvimcdoe%2Fyield_now_test" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vimcdoe/yield_now_test
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/vimcdoe/yield_now_test
[INFO] tweaked toml for git repo https://github.com/vimcdoe/yield_now_test written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vimcdoe/yield_now_test on toolchain 9748d87dc70a9a6725c5dbd76ce29d04752b4f90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vimcdoe/yield_now_test 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" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-global-executor v1.4.2
[INFO] [stderr]   Downloaded async-io v1.1.10
[INFO] [stderr]   Downloaded smol v1.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbf02ed0f9eff7512e140a48d5d67f2e79b3d919a985cbe70a41beaf5ea5e037
[INFO] running `Command { std: "docker" "start" "-a" "fbf02ed0f9eff7512e140a48d5d67f2e79b3d919a985cbe70a41beaf5ea5e037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbf02ed0f9eff7512e140a48d5d67f2e79b3d919a985cbe70a41beaf5ea5e037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf02ed0f9eff7512e140a48d5d67f2e79b3d919a985cbe70a41beaf5ea5e037", kill_on_drop: false }`
[INFO] [stdout] fbf02ed0f9eff7512e140a48d5d67f2e79b3d919a985cbe70a41beaf5ea5e037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19256f15ab362b03b42ce170e6edda8f00a3d9aa3402ce40ec52aa6a9ea8ef10
[INFO] running `Command { std: "docker" "start" "-a" "19256f15ab362b03b42ce170e6edda8f00a3d9aa3402ce40ec52aa6a9ea8ef10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.4
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking async-global-executor v1.4.2
[INFO] [stderr]     Checking async-process v1.0.1
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[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking tokio v0.3.1
[INFO] [stderr]     Checking rtest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/examples/rmeta8M9BgK"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtest` (example "smol") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/examples/rmetaXq0ZbT"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/examples/rmetaSC8LWq"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtest` (example "thread") due to 1 previous error
[INFO] [stderr] error: could not compile `rtest` (example "async_std") due to 1 previous error
[INFO] [stdout] warning: unused output of future returned by `tokio::task::yield_now` that must be used
[INFO] [stdout]  --> examples/tokio.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         tokio::task::yield_now().await;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: yield_now does nothing unless polled/`await`-ed
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let _ = tokio::task::yield_now().await;
[INFO] [stdout]   |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtest` (example "tokio"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/9748d87dc70a9a6725c5dbd76ce29d04752b4f90/bin/rustc --crate-name tokio --edition=2018 examples/tokio.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=863a4fa54dd5348b -C extra-filename=-ab29cdaa099f10db --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-b1b480389cd242ee.rmeta --extern rtest=/opt/rustwide/target/debug/deps/librtest-bba0c7a2c0db385b.rmeta --extern smol=/opt/rustwide/target/debug/deps/libsmol-1478e81f4cc39dd8.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-8479cff9acee8806.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "19256f15ab362b03b42ce170e6edda8f00a3d9aa3402ce40ec52aa6a9ea8ef10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19256f15ab362b03b42ce170e6edda8f00a3d9aa3402ce40ec52aa6a9ea8ef10", kill_on_drop: false }`
[INFO] [stdout] 19256f15ab362b03b42ce170e6edda8f00a3d9aa3402ce40ec52aa6a9ea8ef10