[INFO] cloning repository https://github.com/sammyne/linux-io-multiplex-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammyne/linux-io-multiplex-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2Flinux-io-multiplex-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2Flinux-io-multiplex-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e856ef3e67043974ddb89c864288a84e01990864
[INFO] testing sammyne/linux-io-multiplex-examples against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammyne%2Flinux-io-multiplex-examples" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sammyne/linux-io-multiplex-examples on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sammyne/linux-io-multiplex-examples
[INFO] finished tweaking git repo https://github.com/sammyne/linux-io-multiplex-examples
[INFO] tweaked toml for git repo https://github.com/sammyne/linux-io-multiplex-examples written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sammyne/linux-io-multiplex-examples 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dafefda20657ce154fcd236d3082f23a1d2c1e7f834ffc05bced1f70e463a6fb
[INFO] running `Command { std: "docker" "start" "-a" "dafefda20657ce154fcd236d3082f23a1d2c1e7f834ffc05bced1f70e463a6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dafefda20657ce154fcd236d3082f23a1d2c1e7f834ffc05bced1f70e463a6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dafefda20657ce154fcd236d3082f23a1d2c1e7f834ffc05bced1f70e463a6fb", kill_on_drop: false }`
[INFO] [stdout] dafefda20657ce154fcd236d3082f23a1d2c1e7f834ffc05bced1f70e463a6fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2679f2ef110bdb4350a646ac687f14ba872c431e3d1a6a8e89ed5afd32fefab
[INFO] running `Command { std: "docker" "start" "-a" "b2679f2ef110bdb4350a646ac687f14ba872c431e3d1a6a8e89ed5afd32fefab", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `client` in package `poll v0.1.0 (/opt/rustwide/workdir/poll)` has the same output filename as the bin target `client` in package `epoll v0.1.0 (/opt/rustwide/workdir/epoll)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/client
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `client` in package `poll v0.1.0 (/opt/rustwide/workdir/poll)` has the same output filename as the bin target `client` in package `epoll v0.1.0 (/opt/rustwide/workdir/epoll)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/client.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `client` in package `select v0.1.0 (/opt/rustwide/workdir/select)` has the same output filename as the bin target `client` in package `poll v0.1.0 (/opt/rustwide/workdir/poll)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/client
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `client` in package `select v0.1.0 (/opt/rustwide/workdir/select)` has the same output filename as the bin target `client` in package `poll v0.1.0 (/opt/rustwide/workdir/poll)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/client.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaTadYpK"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b2679f2ef110bdb4350a646ac687f14ba872c431e3d1a6a8e89ed5afd32fefab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2679f2ef110bdb4350a646ac687f14ba872c431e3d1a6a8e89ed5afd32fefab", kill_on_drop: false }`
[INFO] [stdout] b2679f2ef110bdb4350a646ac687f14ba872c431e3d1a6a8e89ed5afd32fefab