[INFO] cloning repository https://github.com/berlinen/mfornode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/berlinen/mfornode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberlinen%2Fmfornode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberlinen%2Fmfornode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbf6015e1678ea211c93ff7608dd4c2a1c2990e1
[INFO] testing berlinen/mfornode against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fberlinen%2Fmfornode" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/berlinen/mfornode
[INFO] finished tweaking git repo https://github.com/berlinen/mfornode
[INFO] tweaked toml for git repo https://github.com/berlinen/mfornode written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/berlinen/mfornode on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/berlinen/mfornode 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd v0.13.1
[INFO] [stderr]   Downloaded zopfli v0.8.1
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[INFO] [stderr]   Downloaded deflate64 v0.1.8
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[INFO] [stderr]   Downloaded xattr v1.3.1
[INFO] [stderr]   Downloaded zstd-safe v7.1.0
[INFO] [stderr]   Downloaded lzma-rs v0.3.0
[INFO] [stderr]   Downloaded displaydoc v0.2.4
[INFO] [stderr]   Downloaded zip v2.1.0
[INFO] [stderr]   Downloaded bytecount v0.6.8
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[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded thiserror v1.0.61
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[INFO] [stderr]   Downloaded rustls-pki-types v1.7.0
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[INFO] [stderr]   Downloaded tokio-rustls v0.25.0
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[INFO] [stderr]   Downloaded yansi v0.5.1
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[INFO] [stderr]   Downloaded node-semver v2.1.0
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[INFO] [stderr]   Downloaded miniz_oxide v0.7.3
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[INFO] [stderr]   Downloaded serde v1.0.202
[INFO] [stderr]   Downloaded serde_derive v1.0.202
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[INFO] [stderr]   Downloaded flate2 v1.0.30
[INFO] [stderr]   Downloaded miette v5.10.0
[INFO] [stderr]   Downloaded async-compression v0.4.10
[INFO] [stderr]   Downloaded toml_edit v0.22.13
[INFO] [stderr]   Downloaded ntapi v0.4.1
[INFO] [stderr]   Downloaded serde_json v1.0.117
[INFO] [stderr]   Downloaded hyper v1.3.1
[INFO] [stderr]   Downloaded sysinfo v0.30.12
[INFO] [stderr]   Downloaded rustls-webpki v0.102.4
[INFO] [stderr]   Downloaded winnow v0.6.8
[INFO] [stderr]   Downloaded brotli-decompressor v4.0.0
[INFO] [stderr]   Downloaded webpki-roots v0.26.1
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[INFO] [stderr]   Downloaded zstd-sys v2.0.10+zstd.1.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec
[INFO] running `Command { std: "docker" "start" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling serde_spanned v0.6.6
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling tracing-core v0.1.32
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[INFO] [stderr]    Compiling thiserror v1.0.61
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[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling tracing v0.1.40
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling toml_edit v0.22.13
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]    Compiling tower-layer v0.3.2
[INFO] [stderr]    Compiling toml v0.8.13
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling hyper v1.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling brotli-decompressor v4.0.0
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling miniz_oxide v0.7.3
[INFO] [stderr]    Compiling embed-resource v2.4.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling rustls-webpki v0.102.4
[INFO] [stderr]    Compiling brotli v6.0.0
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling tokio-rustls v0.25.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.6
[INFO] [stderr]    Compiling zip v2.1.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling either v1.12.0
[INFO] [stderr]    Compiling unicode-width v0.1.12
[INFO] [stderr]    Compiling miette v5.10.0
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling zopfli v0.8.1
[INFO] [stderr]    Compiling rustls-native-certs v0.7.0
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling lzma-rs v0.3.0
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling env_filter v0.1.0
[INFO] [stderr]    Compiling hyper-rustls v0.26.0
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling clap v4.5.4
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling async-compression v0.4.10
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mfornode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `build_script_build`
[INFO] [stdout]  --> build.rs:1:2
[INFO] [stdout]   |
[INFO] [stdout] 1 |
[INFO] [stdout]   | ^ consider adding a `main` function to `build.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mfornode` (build script) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec", kill_on_drop: false }`
[INFO] [stdout] 65f983ea2dbeb378d0abaa7bba6b90a83e093bb1bf0210ba5f3a5d3a45781eec
