[INFO] cloning repository https://github.com/rklaehn/kiss-queue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rklaehn/kiss-queue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fkiss-queue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fkiss-queue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d685d88c01b26d979c6cb1dfcd8f8319ba826daf
[INFO] testing rklaehn/kiss-queue against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frklaehn%2Fkiss-queue" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rklaehn/kiss-queue
[INFO] finished tweaking git repo https://github.com/rklaehn/kiss-queue
[INFO] tweaked toml for git repo https://github.com/rklaehn/kiss-queue written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rklaehn/kiss-queue on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rklaehn/kiss-queue 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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e3094a84d1d6ec49cfdeea0762bc5227cb35c88f343efea40ca605512f86529
[INFO] running `Command { std: "docker" "start" "-a" "3e3094a84d1d6ec49cfdeea0762bc5227cb35c88f343efea40ca605512f86529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e3094a84d1d6ec49cfdeea0762bc5227cb35c88f343efea40ca605512f86529", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e3094a84d1d6ec49cfdeea0762bc5227cb35c88f343efea40ca605512f86529", kill_on_drop: false }`
[INFO] [stdout] 3e3094a84d1d6ec49cfdeea0762bc5227cb35c88f343efea40ca605512f86529
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 752872006f63bcf09688c55a56897f5020474801e7b8bd5e927ff17ca3baa681
[INFO] running `Command { std: "docker" "start" "-a" "752872006f63bcf09688c55a56897f5020474801e7b8bd5e927ff17ca3baa681", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling kiss-queue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lib.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |             for waker in inner.waker.take() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 71 -             for waker in inner.waker.take() {
[INFO] [stdout] 71 +             while let Some(waker) = inner.waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 71 -             for waker in inner.waker.take() {
[INFO] [stdout] 71 +             if let Some(waker) = inner.waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lib.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |         for waker in self.0.lock().unwrap().waker.take() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 89 -         for waker in self.0.lock().unwrap().waker.take() {
[INFO] [stdout] 89 +         while let Some(waker) = self.0.lock().unwrap().waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 89 -         for waker in self.0.lock().unwrap().waker.take() {
[INFO] [stdout] 89 +         if let Some(waker) = self.0.lock().unwrap().waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.31s
[INFO] running `Command { std: "docker" "inspect" "752872006f63bcf09688c55a56897f5020474801e7b8bd5e927ff17ca3baa681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752872006f63bcf09688c55a56897f5020474801e7b8bd5e927ff17ca3baa681", kill_on_drop: false }`
[INFO] [stdout] 752872006f63bcf09688c55a56897f5020474801e7b8bd5e927ff17ca3baa681
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bdc3b6d9573d3c00a45c9df56f68939b47831c450238894c7bd1c2c28d5c77e
[INFO] running `Command { std: "docker" "start" "-a" "0bdc3b6d9573d3c00a45c9df56f68939b47831c450238894c7bd1c2c28d5c77e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lib.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |             for waker in inner.waker.take() {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 71 -             for waker in inner.waker.take() {
[INFO] [stdout] 71 +             while let Some(waker) = inner.waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 71 -             for waker in inner.waker.take() {
[INFO] [stdout] 71 +             if let Some(waker) = inner.waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lib.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |         for waker in self.0.lock().unwrap().waker.take() {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 89 -         for waker in self.0.lock().unwrap().waker.take() {
[INFO] [stdout] 89 +         while let Some(waker) = self.0.lock().unwrap().waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 89 -         for waker in self.0.lock().unwrap().waker.take() {
[INFO] [stdout] 89 +         if let Some(waker) = self.0.lock().unwrap().waker.take() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `async-std` (lib)
[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/b03b3a7ec92682be2917540b679478d41c95a30c/bin/rustc --crate-name async_std --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/async-std-1.5.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="async-task"' --cfg 'feature="crossbeam-channel"' --cfg 'feature="crossbeam-deque"' --cfg 'feature="crossbeam-utils"' --cfg 'feature="default"' --cfg 'feature="futures-core"' --cfg 'feature="futures-io"' --cfg 'feature="futures-timer"' --cfg 'feature="kv-log-macro"' --cfg 'feature="log"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="mio-uds"' --cfg 'feature="num_cpus"' --cfg 'feature="once_cell"' --cfg 'feature="pin-project-lite"' --cfg 'feature="pin-utils"' --cfg 'feature="slab"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("async-attributes", "async-task", "attributes", "broadcaster", "crossbeam-channel", "crossbeam-deque", "crossbeam-utils", "default", "docs", "futures-core", "futures-io", "futures-timer", "kv-log-macro", "log", "memchr", "mio", "mio-uds", "num_cpus", "once_cell", "pin-project-lite", "pin-utils", "slab", "std", "unstable"))' -C metadata=f553f83433112ffc -C extra-filename=-69292dc0abec40ab --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern async_task=/opt/rustwide/target/debug/deps/libasync_task-fedde10f09361039.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-ceb8bd2d9f2263f3.rmeta --extern crossbeam_deque=/opt/rustwide/target/debug/deps/libcrossbeam_deque-b5b0e85da960dca0.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-bbd02639d6e4060b.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-2ca1af6fac389a7c.rmeta --extern futures_io=/opt/rustwide/target/debug/deps/libfutures_io-52a9f7ff127ebdec.rmeta --extern futures_timer=/opt/rustwide/target/debug/deps/libfutures_timer-90340aa898f796a7.rmeta --extern kv_log_macro=/opt/rustwide/target/debug/deps/libkv_log_macro-34190c30420dde49.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-434e4f560dcc7f03.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-d5c4a4b904cb33de.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-a13c65052e075984.rmeta --extern mio_uds=/opt/rustwide/target/debug/deps/libmio_uds-227601560c31f6ce.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-2af2da93b21d6b75.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-e2e3b08243557ea2.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-46c4d0e34e467446.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-9addf951a761c7c9.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-ab64617c0d711aec.rmeta --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "0bdc3b6d9573d3c00a45c9df56f68939b47831c450238894c7bd1c2c28d5c77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bdc3b6d9573d3c00a45c9df56f68939b47831c450238894c7bd1c2c28d5c77e", kill_on_drop: false }`
[INFO] [stdout] 0bdc3b6d9573d3c00a45c9df56f68939b47831c450238894c7bd1c2c28d5c77e