[INFO] cloning repository https://github.com/aq1048576/COS470
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aq1048576/COS470" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faq1048576%2FCOS470", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faq1048576%2FCOS470'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa4b4f52db754e2afc6ab9676fe2e19a006f4e11
[INFO] checking aq1048576/COS470 against master#36b21637e93b038453924d3c66821089e71d8baa for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faq1048576%2FCOS470" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aq1048576/COS470
[INFO] finished tweaking git repo https://github.com/aq1048576/COS470
[INFO] tweaked toml for git repo https://github.com/aq1048576/COS470 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aq1048576/COS470 on toolchain 36b21637e93b038453924d3c66821089e71d8baa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aq1048576/COS470 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" "+36b21637e93b038453924d3c66821089e71d8baa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]     Updating bumpalo v2.6.0 -> v3.19.0
[INFO] [stderr]     Updating cc v1.0.45 -> v1.2.30
[INFO] [stderr]     Updating js-sys v0.3.28 -> v0.3.58 (available: v0.3.77)
[INFO] [stderr]     Updating ring v0.16.9 -> v0.16.20 (available: v0.17.14)
[INFO] [stderr]       Adding shlex v1.3.0
[INFO] [stderr]     Updating untrusted v0.7.0 -> v0.7.1
[INFO] [stderr]     Updating wasm-bindgen v0.2.51 -> v0.2.81 (available: v0.2.100)
[INFO] [stderr]     Updating wasm-bindgen-backend v0.2.51 -> v0.2.81 (available: v0.2.100)
[INFO] [stderr]     Updating wasm-bindgen-macro v0.2.51 -> v0.2.81 (available: v0.2.100)
[INFO] [stderr]     Updating wasm-bindgen-macro-support v0.2.51 -> v0.2.81 (available: v0.2.100)
[INFO] [stderr]     Updating wasm-bindgen-shared v0.2.51 -> v0.2.81 (available: v0.2.100)
[INFO] [stderr]     Updating web-sys v0.3.28 -> v0.3.58 (available: v0.3.77)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.3
[INFO] [stderr]   Downloaded ntest v0.7.3
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.3
[INFO] [stderr]   Downloaded ntest_timeout v0.7.3
[INFO] [stderr]   Downloaded tiny_http v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+36b21637e93b038453924d3c66821089e71d8baa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8753e938a9f6c9681887b4c512c00f5069e3db6429abca58c66e97badd179643
[INFO] running `Command { std: "docker" "start" "-a" "8753e938a9f6c9681887b4c512c00f5069e3db6429abca58c66e97badd179643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8753e938a9f6c9681887b4c512c00f5069e3db6429abca58c66e97badd179643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8753e938a9f6c9681887b4c512c00f5069e3db6429abca58c66e97badd179643", kill_on_drop: false }`
[INFO] [stdout] 8753e938a9f6c9681887b4c512c00f5069e3db6429abca58c66e97badd179643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+36b21637e93b038453924d3c66821089e71d8baa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a86163fc885c962c1a9b3bad60047a6c76726c9bfd5da0937525dd3e6a0ff6bd
[INFO] running `Command { std: "docker" "start" "-a" "a86163fc885c962c1a9b3bad60047a6c76726c9bfd5da0937525dd3e6a0ff6bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling ntest_proc_macro_helper v0.7.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-process v1.3.0
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking tiny_http v0.9.0
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling ntest_test_cases v0.7.3
[INFO] [stdout] error: error writing dependencies to `/opt/rustwide/target/debug/deps/futures_util-b4e1289fb7186859.d`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-util` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a86163fc885c962c1a9b3bad60047a6c76726c9bfd5da0937525dd3e6a0ff6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86163fc885c962c1a9b3bad60047a6c76726c9bfd5da0937525dd3e6a0ff6bd", kill_on_drop: false }`
[INFO] [stdout] a86163fc885c962c1a9b3bad60047a6c76726c9bfd5da0937525dd3e6a0ff6bd