[INFO] fetching crate neust 0.0.1...
[INFO] testing neust-0.0.1 against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] extracting crate neust 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate neust 0.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate neust 0.0.1
[INFO] tweaked toml for crates.io crate neust 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate neust 0.0.1 on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate neust 0.0.1 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded hyper-tls v0.5.0
[INFO] [stderr]   Downloaded foreign-types v0.3.2
[INFO] [stderr]   Downloaded http-body v0.4.4
[INFO] [stderr]   Downloaded winreg v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.79
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded core-foundation v0.9.3
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded hashbrown v0.11.2
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded sha1 v0.6.1
[INFO] [stderr]   Downloaded psl-types v2.0.10
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded futures-sink v0.3.21
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded mime v0.3.16
[INFO] [stderr]   Downloaded futures-core v0.3.21
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.29
[INFO] [stderr]   Downloaded itoa v1.0.1
[INFO] [stderr]   Downloaded tower-service v0.3.1
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded sealed v0.4.0
[INFO] [stderr]   Downloaded heck v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.79
[INFO] [stderr]   Downloaded matches v0.1.9
[INFO] [stderr]   Downloaded openssl-probe v0.1.5
[INFO] [stderr]   Downloaded foreign-types-shared v0.1.1
[INFO] [stderr]   Downloaded serde_urlencoded v0.7.1
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded tinyvec v1.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.79
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded tinyvec_macros v0.1.0
[INFO] [stderr]   Downloaded slab v0.4.5
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded time-macros v0.1.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.19
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded percent-encoding v2.1.0
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
[INFO] [stderr]   Downloaded tempfile v3.3.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded httparse v1.6.0
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded form_urlencoded v1.0.1
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.9
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded futures-task v0.3.21
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.5
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded discard v1.0.4
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded fastrand v1.7.0
[INFO] [stderr]   Downloaded tokio-rustls v0.23.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.79
[INFO] [stderr]   Downloaded unicode-bidi v0.3.7
[INFO] [stderr]   Downloaded sct v0.7.0
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.0
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded ryu v1.0.9
[INFO] [stderr]   Downloaded ipnet v2.3.1
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded const_fn v0.4.9
[INFO] [stderr]   Downloaded crypto-common v0.1.2
[INFO] [stderr]   Downloaded bumpalo v3.9.1
[INFO] [stderr]   Downloaded inout v0.1.2
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded native-tls v0.2.8
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded security-framework-sys v2.6.1
[INFO] [stderr]   Downloaded schannel v0.1.19
[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded url v2.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.136
[INFO] [stderr]   Downloaded webpki v0.22.0
[INFO] [stderr]   Downloaded time-macros-impl v0.1.2
[INFO] [stderr]   Downloaded sha1_smol v1.0.0
[INFO] [stderr]   Downloaded base-x v0.2.8
[INFO] [stderr]   Downloaded standback v0.2.17
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded js-sys v0.3.56
[INFO] [stderr]   Downloaded tracing v0.1.30
[INFO] [stderr]   Downloaded tracing-core v0.1.22
[INFO] [stderr]   Downloaded tokio-util v0.6.9
[INFO] [stderr]   Downloaded futures-channel v0.3.21
[INFO] [stderr]   Downloaded cookie_store v0.15.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded security-framework v2.6.1
[INFO] [stderr]   Downloaded serde v1.0.136
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded openssl-sys v0.9.72
[INFO] [stderr]   Downloaded unicode-normalization v0.1.19
[INFO] [stderr]   Downloaded http v0.2.6
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] [stderr]   Downloaded hyper-rustls v0.23.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded reqwest v0.11.9
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.79
[INFO] [stderr]   Downloaded version_check v0.9.4
[INFO] [stderr]   Downloaded stdweb-derive v0.5.3
[INFO] [stderr]   Downloaded byteorder v1.4.3
[INFO] [stderr]   Downloaded cookie v0.15.1
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded h2 v0.3.11
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded typenum v1.15.0
[INFO] [stderr]   Downloaded serde_json v1.0.79
[INFO] [stderr] error: failed to unpack package `serde_json v1.0.79`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `serde_json-1.0.79/src/value/de.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.79/src/value/de.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `serde_json-1.0.79/src/value/de.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.79/src/value/de.rs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)


overridden task result to prepare-fail:unknown

Caused by:
    0: uncategorized prepare error
    1: command failed: exit status: 101
       
           Blocking waiting for file lock on package cache
           Updating crates.io index
           Blocking waiting for file lock on package cache
        Downloading crates ...
         Downloaded tokio-macros v1.7.0
         Downloaded hyper-tls v0.5.0
         Downloaded foreign-types v0.3.2
         Downloaded http-body v0.4.4
         Downloaded winreg v0.7.0
         Downloaded wasm-bindgen-backend v0.2.79
         Downloaded lazy_static v1.4.0
         Downloaded core-foundation v0.9.3
         Downloaded socket2 v0.4.4
         Downloaded once_cell v1.9.0
         Downloaded pkg-config v0.3.24
         Downloaded indexmap v1.8.0
         Downloaded remove_dir_all v0.5.3
         Downloaded rustls-pemfile v0.2.1
         Downloaded hashbrown v0.11.2
         Downloaded pin-utils v0.1.0
         Downloaded sha1 v0.6.1
         Downloaded psl-types v2.0.10
         Downloaded num_cpus v1.13.1
         Downloaded futures-sink v0.3.21
         Downloaded untrusted v0.7.1
         Downloaded mime v0.3.16
         Downloaded futures-core v0.3.21
         Downloaded wasm-bindgen-futures v0.4.29
         Downloaded itoa v1.0.1
         Downloaded tower-service v0.3.1
         Downloaded cpufeatures v0.2.1
         Downloaded sealed v0.4.0
         Downloaded heck v0.3.3
         Downloaded wasm-bindgen-macro v0.2.79
         Downloaded matches v0.1.9
         Downloaded openssl-probe v0.1.5
         Downloaded foreign-types-shared v0.1.1
         Downloaded serde_urlencoded v0.7.1
         Downloaded getrandom v0.2.4
         Downloaded tinyvec v1.5.1
         Downloaded wasm-bindgen-shared v0.2.79
         Downloaded spin v0.5.2
         Downloaded tinyvec_macros v0.1.0
         Downloaded slab v0.4.5
         Downloaded try-lock v0.2.3
         Downloaded httpdate v1.0.2
         Downloaded autocfg v1.1.0
         Downloaded time-macros v0.1.1
         Downloaded hermit-abi v0.1.19
         Downloaded thiserror-impl v1.0.30
         Downloaded percent-encoding v2.1.0
         Downloaded hex v0.4.3
         Downloaded thiserror v1.0.30
         Downloaded pin-project-lite v0.2.8
         Downloaded tempfile v3.3.0
         Downloaded core-foundation-sys v0.8.3
         Downloaded httparse v1.6.0
         Downloaded proc-macro-hack v0.5.19
         Downloaded fnv v1.0.7
         Downloaded form_urlencoded v1.0.1
         Downloaded instant v0.1.12
         Downloaded rand_chacha v0.3.1
         Downloaded stdweb-internal-macros v0.2.9
         Downloaded rustc_version v0.2.3
         Downloaded cfg-if v1.0.0
         Downloaded futures-task v0.3.21
         Downloaded stdweb-internal-runtime v0.1.5
         Downloaded semver-parser v0.7.0
         Downloaded discard v1.0.4
         Downloaded redox_syscall v0.2.10
         Downloaded fastrand v1.7.0
         Downloaded tokio-rustls v0.23.2
         Downloaded wasm-bindgen-macro-support v0.2.79
         Downloaded unicode-bidi v0.3.7
         Downloaded sct v0.7.0
         Downloaded want v0.3.0
         Downloaded tokio-native-tls v0.3.0
         Downloaded bitflags v1.3.2
         Downloaded ryu v1.0.9
         Downloaded ipnet v2.3.1
         Downloaded miow v0.3.7
         Downloaded const_fn v0.4.9
         Downloaded crypto-common v0.1.2
         Downloaded bumpalo v3.9.1
         Downloaded inout v0.1.2
         Downloaded cc v1.0.72
         Downloaded native-tls v0.2.8
         Downloaded log v0.4.14
         Downloaded memchr v2.4.1
         Downloaded security-framework-sys v2.6.1
         Downloaded schannel v0.1.19
         Downloaded bytes v1.1.0
         Downloaded url v2.2.2
         Downloaded serde_derive v1.0.136
         Downloaded webpki v0.22.0
         Downloaded time-macros-impl v0.1.2
         Downloaded sha1_smol v1.0.0
         Downloaded base-x v0.2.8
         Downloaded standback v0.2.17
         Downloaded rand_core v0.6.3
         Downloaded js-sys v0.3.56
         Downloaded tracing v0.1.30
         Downloaded tracing-core v0.1.22
         Downloaded tokio-util v0.6.9
         Downloaded futures-channel v0.3.21
         Downloaded cookie_store v0.15.1
         Downloaded ppv-lite86 v0.2.16
         Downloaded unicode-segmentation v1.9.0
         Downloaded security-framework v2.6.1
         Downloaded serde v1.0.136
         Downloaded base64 v0.13.0
         Downloaded mio v0.7.14
         Downloaded openssl-sys v0.9.72
         Downloaded unicode-normalization v0.1.19
         Downloaded http v0.2.6
         Downloaded ntapi v0.3.7
         Downloaded hyper-rustls v0.23.0
         Downloaded semver v0.9.0
         Downloaded reqwest v0.11.9
         Downloaded wasm-bindgen v0.2.79
         Downloaded version_check v0.9.4
         Downloaded stdweb-derive v0.5.3
         Downloaded byteorder v1.4.3
         Downloaded cookie v0.15.1
         Downloaded wasi v0.10.2+wasi-snapshot-preview1
         Downloaded h2 v0.3.11
         Downloaded generic-array v0.14.5
         Downloaded typenum v1.15.0
         Downloaded serde_json v1.0.79
       error: failed to unpack package `serde_json v1.0.79`
       
       Caused by:
         failed to unpack entry at `serde_json-1.0.79/src/value/de.rs`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.79/src/value/de.rs`
       
       Caused by:
         failed to unpack `serde_json-1.0.79/src/value/de.rs` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.79/src/value/de.rs`
       
       Caused by:
         No space left on device (os error 28)