[INFO] fetching crate nfprobe 0.0.1...
[INFO] testing nfprobe-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nfprobe 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nfprobe 0.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76d821101501641ea5f0075ecc1b7fbf1a6d00291df99e7fa063195ac2ecfee
[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" "e76d821101501641ea5f0075ecc1b7fbf1a6d00291df99e7fa063195ac2ecfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76d821101501641ea5f0075ecc1b7fbf1a6d00291df99e7fa063195ac2ecfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76d821101501641ea5f0075ecc1b7fbf1a6d00291df99e7fa063195ac2ecfee", kill_on_drop: false }`
[INFO] [stdout] e76d821101501641ea5f0075ecc1b7fbf1a6d00291df99e7fa063195ac2ecfee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852210dd8077cb7c4290daef302d962bdfe5663d6b42ae4390e20f0c6df38a4c
[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" "852210dd8077cb7c4290daef302d962bdfe5663d6b42ae4390e20f0c6df38a4c", 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 3.46s
[INFO] running `Command { std: "docker" "inspect" "852210dd8077cb7c4290daef302d962bdfe5663d6b42ae4390e20f0c6df38a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852210dd8077cb7c4290daef302d962bdfe5663d6b42ae4390e20f0c6df38a4c", kill_on_drop: false }`
[INFO] [stdout] 852210dd8077cb7c4290daef302d962bdfe5663d6b42ae4390e20f0c6df38a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40cfeba141dfe72b0cd8db4388f799634d971d8bccf133928876fe2cac49dcac
[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" "40cfeba141dfe72b0cd8db4388f799634d971d8bccf133928876fe2cac49dcac", kill_on_drop: false }`
[INFO] [stderr]    Compiling nfprobe v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "40cfeba141dfe72b0cd8db4388f799634d971d8bccf133928876fe2cac49dcac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40cfeba141dfe72b0cd8db4388f799634d971d8bccf133928876fe2cac49dcac", kill_on_drop: false }`
[INFO] [stdout] 40cfeba141dfe72b0cd8db4388f799634d971d8bccf133928876fe2cac49dcac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69506228e3da70fab22f97e1b1bab7aebacd606c8a5076536b6aa0c28080b472
[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" "69506228e3da70fab22f97e1b1bab7aebacd606c8a5076536b6aa0c28080b472", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfprobe-40b34cb63a5a4220)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nfprobe-0b70a4f7413ff33d)
[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]    Doc-tests nfprobe
[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] [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" "69506228e3da70fab22f97e1b1bab7aebacd606c8a5076536b6aa0c28080b472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69506228e3da70fab22f97e1b1bab7aebacd606c8a5076536b6aa0c28080b472", kill_on_drop: false }`
[INFO] [stdout] 69506228e3da70fab22f97e1b1bab7aebacd606c8a5076536b6aa0c28080b472