[INFO] cloning repository https://github.com/bjoernQ/blocking-network-stack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bjoernQ/blocking-network-stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbjoernQ%2Fblocking-network-stack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbjoernQ%2Fblocking-network-stack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3ecefc222d8806edd221f266999ca339c52d34e
[INFO] checking bjoernQ/blocking-network-stack against try#e5b0618d996a6a3941e423fd3e170737b8dbdc92 for pr-151822
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbjoernQ%2Fblocking-network-stack" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bjoernQ/blocking-network-stack
[INFO] finished tweaking git repo https://github.com/bjoernQ/blocking-network-stack
[INFO] tweaked toml for git repo https://github.com/bjoernQ/blocking-network-stack written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bjoernQ/blocking-network-stack on toolchain e5b0618d996a6a3941e423fd3e170737b8dbdc92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bjoernQ/blocking-network-stack 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" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded embedded-io v0.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.215
[INFO] [stderr]   Downloaded defmt-parser v0.4.1
[INFO] [stderr]   Downloaded proc-macro-error2 v2.0.1
[INFO] [stderr]   Downloaded defmt-macros v0.3.10
[INFO] [stderr]   Downloaded defmt v0.3.9
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] [stderr]   Downloaded serde v1.0.215
[INFO] [stderr]   Downloaded proc-macro-error-attr2 v2.0.0
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded smoltcp v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fe0f8e4e99716e19f6d5ebe6bad93e72a7cc91124a317892c779f94b121659e
[INFO] running `Command { std: "docker" "start" "-a" "2fe0f8e4e99716e19f6d5ebe6bad93e72a7cc91124a317892c779f94b121659e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe0f8e4e99716e19f6d5ebe6bad93e72a7cc91124a317892c779f94b121659e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe0f8e4e99716e19f6d5ebe6bad93e72a7cc91124a317892c779f94b121659e", kill_on_drop: false }`
[INFO] [stdout] 2fe0f8e4e99716e19f6d5ebe6bad93e72a7cc91124a317892c779f94b121659e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+e5b0618d996a6a3941e423fd3e170737b8dbdc92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73e934e25496bd5ced42d56c7a019c78cf7ad27bcc3bac478522bac62fb85a9d
[INFO] running `Command { std: "docker" "start" "-a" "73e934e25496bd5ced42d56c7a019c78cf7ad27bcc3bac478522bac62fb85a9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling portable-atomic v1.10.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling smoltcp v0.12.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking blocking-network-stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "73e934e25496bd5ced42d56c7a019c78cf7ad27bcc3bac478522bac62fb85a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e934e25496bd5ced42d56c7a019c78cf7ad27bcc3bac478522bac62fb85a9d", kill_on_drop: false }`
[INFO] [stdout] 73e934e25496bd5ced42d56c7a019c78cf7ad27bcc3bac478522bac62fb85a9d