[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] checking sammyne/linux-io-multiplex-examples against master#8a65ee08296b36342bf7c3cdc15312ccbc357227 for pr-142704
[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 8a65ee08296b36342bf7c3cdc15312ccbc357227
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "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" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 537b047662911a6def636289861437d72acefef56c7b92e5d10b8a0ae80c28f0
[INFO] running `Command { std: "docker" "start" "-a" "537b047662911a6def636289861437d72acefef56c7b92e5d10b8a0ae80c28f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "537b047662911a6def636289861437d72acefef56c7b92e5d10b8a0ae80c28f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "537b047662911a6def636289861437d72acefef56c7b92e5d10b8a0ae80c28f0", kill_on_drop: false }`
[INFO] [stdout] 537b047662911a6def636289861437d72acefef56c7b92e5d10b8a0ae80c28f0
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a65ee08296b36342bf7c3cdc15312ccbc357227" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d458fcf871268ce2b2512e892622823de18f765e8bfef892acd924d97ef03ca
[INFO] running `Command { std: "docker" "start" "-a" "6d458fcf871268ce2b2512e892622823de18f765e8bfef892acd924d97ef03ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking epoll v0.1.0 (/opt/rustwide/workdir/epoll)
[INFO] [stderr]     Checking poll v0.1.0 (/opt/rustwide/workdir/poll)
[INFO] [stderr]     Checking select v0.1.0 (/opt/rustwide/workdir/select)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "6d458fcf871268ce2b2512e892622823de18f765e8bfef892acd924d97ef03ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d458fcf871268ce2b2512e892622823de18f765e8bfef892acd924d97ef03ca", kill_on_drop: false }`
[INFO] [stdout] 6d458fcf871268ce2b2512e892622823de18f765e8bfef892acd924d97ef03ca