[INFO] cloning repository https://github.com/nautilus-fuzz/nautilus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nautilus-fuzz/nautilus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnautilus-fuzz%2Fnautilus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnautilus-fuzz%2Fnautilus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a132369adf694620a8f8527359ce4a1b955cb393
[INFO] checking nautilus-fuzz/nautilus against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnautilus-fuzz%2Fnautilus" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nautilus-fuzz/nautilus 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] removed /workspace/builds/worker-34/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/nautilus-fuzz/nautilus
[INFO] finished tweaking git repo https://github.com/nautilus-fuzz/nautilus
[INFO] tweaked toml for git repo https://github.com/nautilus-fuzz/nautilus written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/nautilus-fuzz/nautilus 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] [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 proc-macro-hack v0.5.12
[INFO] [stderr]   Downloaded timeout-readwrite v0.3.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded hash_by_ref v0.1.0
[INFO] [stderr]   Downloaded pyo3cls v0.10.1
[INFO] [stderr]   Downloaded subprocess v0.2.4
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.10.1
[INFO] [stderr]   Downloaded pyo3 v0.10.1
[INFO] [stderr]   Downloaded loaded_dice v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 2ed12558717c45d8fc6b0afe65d70c55626271ef73ed2a66904e027c686486a5
[INFO] running `Command { std: "docker" "start" "-a" "2ed12558717c45d8fc6b0afe65d70c55626271ef73ed2a66904e027c686486a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed12558717c45d8fc6b0afe65d70c55626271ef73ed2a66904e027c686486a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed12558717c45d8fc6b0afe65d70c55626271ef73ed2a66904e027c686486a5", kill_on_drop: false }`
[INFO] [stdout] 2ed12558717c45d8fc6b0afe65d70c55626271ef73ed2a66904e027c686486a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5634fca90f4c294d0c3abc2bb3e925c47e9139c0a4086e7834544b8eaa12271
[INFO] running `Command { std: "docker" "start" "-a" "d5634fca90f4c294d0c3abc2bb3e925c47e9139c0a4086e7834544b8eaa12271", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking hash_by_ref v0.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking subprocess v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex_mutator v0.1.0 (/opt/rustwide/workdir/regex_mutator)
[INFO] [stderr]    Compiling pyo3 v0.10.1
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.10.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-d4438dffffe50c47/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: "PyO3 requires a nightly or dev version of Rust."
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d5634fca90f4c294d0c3abc2bb3e925c47e9139c0a4086e7834544b8eaa12271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5634fca90f4c294d0c3abc2bb3e925c47e9139c0a4086e7834544b8eaa12271", kill_on_drop: false }`
[INFO] [stdout] d5634fca90f4c294d0c3abc2bb3e925c47e9139c0a4086e7834544b8eaa12271
