[INFO] fetching crate nv 0.3.0...
[INFO] testing nv-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate nv 0.3.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate nv 0.3.0 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 nv 0.3.0
[INFO] finished tweaking crates.io crate nv 0.3.0
[INFO] tweaked toml for crates.io crate nv 0.3.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate nv 0.3.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.12
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded uint v0.8.5
[INFO] [stderr]   Downloaded chrono v0.4.18
[INFO] [stderr]   Downloaded fixed-hash v0.6.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded radium v0.3.0
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded bitvec v0.17.4
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.5
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded hyper-rustls v0.17.1
[INFO] [stderr]   Downloaded zip v0.5.8
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded mnemonic v1.0.1
[INFO] [stderr]   Downloaded repl-rs v0.2.3
[INFO] [stderr]   Downloaded rustversion v1.0.3
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded path_abs v0.5.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.5
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded webpki-roots v0.17.0
[INFO] [stderr]   Downloaded serde_test v1.0.116
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded zbox v0.9.1
[INFO] [stderr]   Downloaded combine v3.8.1
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded primitive-types v0.7.2
[INFO] [stderr]   Downloaded hashbrown v0.9.0
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded tokio-rustls v0.10.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 9d18e6518702ef95cdf27b5ed910d8319587fb270f5544226f892abb1ecac250
[INFO] running `Command { std: "docker" "start" "-a" "9d18e6518702ef95cdf27b5ed910d8319587fb270f5544226f892abb1ecac250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d18e6518702ef95cdf27b5ed910d8319587fb270f5544226f892abb1ecac250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d18e6518702ef95cdf27b5ed910d8319587fb270f5544226f892abb1ecac250", kill_on_drop: false }`
[INFO] [stdout] 9d18e6518702ef95cdf27b5ed910d8319587fb270f5544226f892abb1ecac250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] [stdout] 72d8312884a14eaf590c1bcb17dcd854e7eea9a762643a39669a43083e548fe6
[INFO] running `Command { std: "docker" "start" "-a" "72d8312884a14eaf590c1bcb17dcd854e7eea9a762643a39669a43083e548fe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling nv v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling mnemonic v1.0.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.60/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=541953c1cf330b71 -C extra-filename=-541953c1cf330b71 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "72d8312884a14eaf590c1bcb17dcd854e7eea9a762643a39669a43083e548fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d8312884a14eaf590c1bcb17dcd854e7eea9a762643a39669a43083e548fe6", kill_on_drop: false }`
[INFO] [stdout] 72d8312884a14eaf590c1bcb17dcd854e7eea9a762643a39669a43083e548fe6