[INFO] fetching crate structopt-flags 0.3.6...
[INFO] testing structopt-flags-0.3.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate structopt-flags 0.3.6 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate structopt-flags 0.3.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate structopt-flags 0.3.6
[INFO] tweaked toml for crates.io crate structopt-flags 0.3.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate structopt-flags 0.3.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate structopt-flags 0.3.6 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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 unicode-xid v0.2.1
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded skeptic v0.13.4
[INFO] [stderr]   Downloaded rdrand v0.4.0
[INFO] [stderr]   Downloaded cargo_metadata v0.6.4
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded autocfg v1.0.0
[INFO] [stderr]   Downloaded time v0.1.43
[INFO] [stderr]   Downloaded tempdir v0.3.7
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded redox_users v0.3.4
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded arrayref v0.3.6
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded bytecount v0.4.0
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.16
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded rust-argon2 v0.7.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] [stderr]   Downloaded pulldown-cmark v0.2.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.10
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded memchr v2.3.3
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded num-traits v0.2.12
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.2
[INFO] [stderr]   Downloaded serde_derive v1.0.114
[INFO] [stderr]   Downloaded backtrace v0.3.50
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded aho-corasick v0.7.13
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr] error: failed to unpack package `winapi-x86_64-pc-windows-gnu v0.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack entry at `winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack `winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a`
[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 unicode-xid v0.2.1
         Downloaded quote v1.0.7
         Downloaded same-file v1.0.6
         Downloaded structopt-derive v0.4.8
         Downloaded structopt v0.3.15
         Downloaded strsim v0.8.0
         Downloaded vec_map v0.8.2
         Downloaded winapi-util v0.1.5
         Downloaded version_check v0.9.2
         Downloaded proc-macro-error-attr v1.0.3
         Downloaded fuchsia-cprng v0.1.1
         Downloaded predicates-tree v1.0.0
         Downloaded skeptic v0.13.4
         Downloaded rdrand v0.4.0
         Downloaded cargo_metadata v0.6.4
         Downloaded normalize-line-endings v0.3.0
         Downloaded ansi_term v0.11.0
         Downloaded assert_cmd v0.11.1
         Downloaded proc-macro-error v1.0.3
         Downloaded glob v0.2.11
         Downloaded simplelog v0.7.6
         Downloaded wasi v0.9.0+wasi-snapshot-preview1
         Downloaded autocfg v1.0.0
         Downloaded time v0.1.43
         Downloaded tempdir v0.3.7
         Downloaded dirs-sys v0.3.5
         Downloaded adler v0.2.3
         Downloaded cfg-if v0.1.10
         Downloaded itoa v0.4.6
         Downloaded hermit-abi v0.1.15
         Downloaded bitflags v1.2.1
         Downloaded addr2line v0.13.0
         Downloaded predicates v1.0.5
         Downloaded atty v0.2.14
         Downloaded lazy_static v1.4.0
         Downloaded redox_users v0.3.4
         Downloaded treeline v0.1.0
         Downloaded rand_core v0.3.1
         Downloaded thread_local v1.0.1
         Downloaded arrayref v0.3.6
         Downloaded remove_dir_all v0.5.3
         Downloaded bytecount v0.4.0
         Downloaded dirs v2.0.2
         Downloaded constant_time_eq v0.1.5
         Downloaded predicates-core v1.0.0
         Downloaded semver-parser v0.7.0
         Downloaded error-chain v0.12.2
         Downloaded escargot v0.5.0
         Downloaded rustc-demangle v0.1.16
         Downloaded textwrap v0.11.0
         Downloaded rust-argon2 v0.7.0
         Downloaded redox_syscall v0.1.57
         Downloaded getrandom v0.1.14
         Downloaded float-cmp v0.8.0
         Downloaded failure_derive v0.1.8
         Downloaded syn-mid v0.5.0
         Downloaded walkdir v2.3.1
         Downloaded synstructure v0.12.4
         Downloaded arrayvec v0.5.1
         Downloaded unicode-width v0.1.8
         Downloaded semver v0.9.0
         Downloaded failure v0.1.8
         Downloaded escargot v0.4.0
         Downloaded rand_core v0.4.2
         Downloaded base64 v0.11.0
         Downloaded log v0.4.11
         Downloaded miniz_oxide v0.4.0
         Downloaded syn v1.0.35
         Downloaded pulldown-cmark v0.2.0
         Downloaded blake2b_simd v0.5.10
         Downloaded proc-macro2 v1.0.19
         Downloaded num-integer v0.1.43
         Downloaded memchr v2.3.3
         Downloaded heck v0.3.1
         Downloaded term v0.6.1
         Downloaded num-traits v0.2.12
         Downloaded ryu v1.0.5
         Downloaded crossbeam-utils v0.7.2
         Downloaded serde_derive v1.0.114
         Downloaded backtrace v0.3.50
         Downloaded unicode-segmentation v1.6.0
         Downloaded serde v1.0.114
         Downloaded rand v0.4.6
         Downloaded serde_json v1.0.56
         Downloaded aho-corasick v0.7.13
         Downloaded object v0.20.0
         Downloaded chrono v0.4.13
         Downloaded difference v2.0.0
         Downloaded clap v2.33.1
         Downloaded regex v1.3.9
         Downloaded regex-syntax v0.6.18
         Downloaded libc v0.2.73
         Downloaded gimli v0.22.0
         Downloaded winapi v0.3.9
         Downloaded winapi-i686-pc-windows-gnu v0.4.0
         Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
       error: failed to unpack package `winapi-x86_64-pc-windows-gnu v0.4.0`
       
       Caused by:
         failed to unpack entry at `winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a`
       
       Caused by:
         failed to unpack `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a`
       
       Caused by:
         failed to unpack `winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a` into `/workspace/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/winapi-x86_64-pc-windows-gnu-0.4.0/lib/libwinapi_dciman32.a`
       
       Caused by:
         No space left on device (os error 28)