[INFO] cloning repository https://github.com/viveksura/ccwc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viveksura/ccwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviveksura%2Fccwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviveksura%2Fccwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1afa530d692ec0491d9d7d8bd2b020b9293e4f97
[INFO] checking viveksura/ccwc against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviveksura%2Fccwc" "/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/viveksura/ccwc
[INFO] finished tweaking git repo https://github.com/viveksura/ccwc
[INFO] tweaked toml for git repo https://github.com/viveksura/ccwc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/viveksura/ccwc on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/viveksura/ccwc 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0c0a300cb0c2bdad2677a58fab19d93acec2d1be5aaf78c7648266d52cb3dbf
[INFO] running `Command { std: "docker" "start" "-a" "f0c0a300cb0c2bdad2677a58fab19d93acec2d1be5aaf78c7648266d52cb3dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0c0a300cb0c2bdad2677a58fab19d93acec2d1be5aaf78c7648266d52cb3dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0c0a300cb0c2bdad2677a58fab19d93acec2d1be5aaf78c7648266d52cb3dbf", kill_on_drop: false }`
[INFO] [stdout] f0c0a300cb0c2bdad2677a58fab19d93acec2d1be5aaf78c7648266d52cb3dbf
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9019f38fd9af266eae34ba986b525aa0291e3f9f14bc01315cb1e1f0ff38dfed
[INFO] running `Command { std: "docker" "start" "-a" "9019f38fd9af266eae34ba986b525aa0291e3f9f14bc01315cb1e1f0ff38dfed", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/unicode_width-429c21f390a0feba.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/unicode-width-429c21f390a0feba/dep-lib-unicode_width`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[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/deps/rmetazqQ1Ny"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `either` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9019f38fd9af266eae34ba986b525aa0291e3f9f14bc01315cb1e1f0ff38dfed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9019f38fd9af266eae34ba986b525aa0291e3f9f14bc01315cb1e1f0ff38dfed", kill_on_drop: false }`
[INFO] [stdout] 9019f38fd9af266eae34ba986b525aa0291e3f9f14bc01315cb1e1f0ff38dfed