[INFO] cloning repository https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigwinch28%2Fmagic-wormhole-transit-relay-server.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigwinch28%2Fmagic-wormhole-transit-relay-server.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a4e02f4ca2e9779d0e4274d7a08fc434b09775f
[INFO] checking sigwinch28/magic-wormhole-transit-relay-server.rs against try#7d2afcda7a9c043d5175cbca3ab08f0acf02b13a for pr-140824
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigwinch28%2Fmagic-wormhole-transit-relay-server.rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs on toolchain 7d2afcda7a9c043d5175cbca3ab08f0acf02b13a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs
[INFO] finished tweaking git repo https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs
[INFO] tweaked toml for git repo https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sigwinch28/magic-wormhole-transit-relay-server.rs 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" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bf0f26ea25109760e0c579cb6bc6023e37f0ca4908a9fc7789d2b22a91ade5f
[INFO] running `Command { std: "docker" "start" "-a" "8bf0f26ea25109760e0c579cb6bc6023e37f0ca4908a9fc7789d2b22a91ade5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf0f26ea25109760e0c579cb6bc6023e37f0ca4908a9fc7789d2b22a91ade5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf0f26ea25109760e0c579cb6bc6023e37f0ca4908a9fc7789d2b22a91ade5f", kill_on_drop: false }`
[INFO] [stdout] 8bf0f26ea25109760e0c579cb6bc6023e37f0ca4908a9fc7789d2b22a91ade5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+7d2afcda7a9c043d5175cbca3ab08f0acf02b13a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 390245f6c45b41d70cc2dbd50a220e4a9740f7db8194f10b125ae4f566c85af2
[INFO] running `Command { std: "docker" "start" "-a" "390245f6c45b41d70cc2dbd50a220e4a9740f7db8194f10b125ae4f566c85af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `futures-macro` (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/7d2afcda7a9c043d5175cbca3ab08f0acf02b13a/bin/rustc --crate-name futures_macro --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-macro-0.3.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=731153680b1eac10 -C extra-filename=-c0c9546aec580fe9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_hack=/opt/rustwide/target/debug/deps/libproc_macro_hack-befe4daefeb25042.so --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f4dc08e3aab41691.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-9c11c886687c2cbc.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-edc84230cb729f35.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "390245f6c45b41d70cc2dbd50a220e4a9740f7db8194f10b125ae4f566c85af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390245f6c45b41d70cc2dbd50a220e4a9740f7db8194f10b125ae4f566c85af2", kill_on_drop: false }`
[INFO] [stdout] 390245f6c45b41d70cc2dbd50a220e4a9740f7db8194f10b125ae4f566c85af2