[INFO] fetching crate nfprobe 0.0.1...
[INFO] testing nfprobe-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nfprobe 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nfprobe 0.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nfprobe 0.0.1
[INFO] finished tweaking crates.io crate nfprobe 0.0.1
[INFO] tweaked toml for crates.io crate nfprobe 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate nfprobe 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded elf_rs v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a40becfda6a8b0bdd61ecc13eafd172d16521fc55e120096463ed09f54a977ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a40becfda6a8b0bdd61ecc13eafd172d16521fc55e120096463ed09f54a977ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a40becfda6a8b0bdd61ecc13eafd172d16521fc55e120096463ed09f54a977ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40becfda6a8b0bdd61ecc13eafd172d16521fc55e120096463ed09f54a977ea", kill_on_drop: false }`
[INFO] [stdout] a40becfda6a8b0bdd61ecc13eafd172d16521fc55e120096463ed09f54a977ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f76d46dc4973738fe8873cbf2e99c3d67d2775378adbd11c82eca52842b1d6c8
[INFO] running `Command { std: "docker" "start" "-a" "f76d46dc4973738fe8873cbf2e99c3d67d2775378adbd11c82eca52842b1d6c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling elf_rs v0.1.1
[INFO] [stderr]    Compiling nfprobe v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "f76d46dc4973738fe8873cbf2e99c3d67d2775378adbd11c82eca52842b1d6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76d46dc4973738fe8873cbf2e99c3d67d2775378adbd11c82eca52842b1d6c8", kill_on_drop: false }`
[INFO] [stdout] f76d46dc4973738fe8873cbf2e99c3d67d2775378adbd11c82eca52842b1d6c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68b8b14d5df62a6eccac4fa0557cd2fa0ec5bcf26b540e681e4904b8c68dbbc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "68b8b14d5df62a6eccac4fa0557cd2fa0ec5bcf26b540e681e4904b8c68dbbc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfprobe v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "68b8b14d5df62a6eccac4fa0557cd2fa0ec5bcf26b540e681e4904b8c68dbbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b8b14d5df62a6eccac4fa0557cd2fa0ec5bcf26b540e681e4904b8c68dbbc2", kill_on_drop: false }`
[INFO] [stdout] 68b8b14d5df62a6eccac4fa0557cd2fa0ec5bcf26b540e681e4904b8c68dbbc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c071d5f99437969ae52983f6debdbd8f309df660b96f4dd2df84abd2ee48bf86
[INFO] running `Command { std: "docker" "start" "-a" "c071d5f99437969ae52983f6debdbd8f309df660b96f4dd2df84abd2ee48bf86", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfprobe-1a0f2b35980853ea)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfprobe-d984022b0c536ea3)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nfprobe
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c071d5f99437969ae52983f6debdbd8f309df660b96f4dd2df84abd2ee48bf86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c071d5f99437969ae52983f6debdbd8f309df660b96f4dd2df84abd2ee48bf86", kill_on_drop: false }`
[INFO] [stdout] c071d5f99437969ae52983f6debdbd8f309df660b96f4dd2df84abd2ee48bf86