[INFO] cloning repository https://github.com/skaunov/challenge-30
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skaunov/challenge-30" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskaunov%2Fchallenge-30", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskaunov%2Fchallenge-30'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02d6d9562b7a34061440422f040e471847111bc8
[INFO] checking skaunov/challenge-30 against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskaunov%2Fchallenge-30" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skaunov/challenge-30 on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skaunov/challenge-30
[INFO] finished tweaking git repo https://github.com/skaunov/challenge-30
[INFO] tweaked toml for git repo https://github.com/skaunov/challenge-30 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/skaunov/challenge-30 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/skaunov/hashes.git`
[INFO] [stderr] warning: spurious network error (3 tries remaining): cannot extend packfile '/workspace/cargo-home/git/db/hashes-dea1c5cb3b8404bf/objects/pack/pack_git2_80d4da583a01dd4f': No space left on device; class=Os (2)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d03b8e3675f028e15a5785a9c46e3839307f858e9cc195eda8fa58f6b32c9c1
[INFO] running `Command { std: "docker" "start" "-a" "8d03b8e3675f028e15a5785a9c46e3839307f858e9cc195eda8fa58f6b32c9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d03b8e3675f028e15a5785a9c46e3839307f858e9cc195eda8fa58f6b32c9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d03b8e3675f028e15a5785a9c46e3839307f858e9cc195eda8fa58f6b32c9c1", kill_on_drop: false }`
[INFO] [stdout] 8d03b8e3675f028e15a5785a9c46e3839307f858e9cc195eda8fa58f6b32c9c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5dc7f179bf3f348119842f5fba4105d9c0909071e8648e5f0609afeb7c83808
[INFO] running `Command { std: "docker" "start" "-a" "c5dc7f179bf3f348119842f5fba4105d9c0909071e8648e5f0609afeb7c83808", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr] error: failed to run custom build command for `typenum v1.15.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/typenum-36eeb2a4aeb41e78/build-script-main` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-env=TYPENUM_BUILD_CONSTS=/opt/rustwide/target/debug/build/typenum-ce7cb168ffa85e0d/out/consts.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/typenum-1.15.0/build/main.rs:170:63:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 28, kind: StorageFull, message: "No space left on device" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5b91c4298b32 - std::backtrace_rs::backtrace::libunwind::trace::h222b984c16bbb2eb
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5b91c4298b32 - std::backtrace_rs::backtrace::trace_unsynchronized::hc3da2e8c6315ace9
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5b91c4298b32 - std::sys::backtrace::_print_fmt::h8a87843d622242f5
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5b91c4298b32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h28dee7d485be4565
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5b91c42b6333 - core::fmt::rt::Argument::fmt::h432429c622cb490a
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/core/src/fmt/rt.rs:184:76
[INFO] [stderr]      5:     0x5b91c42b6333 - core::fmt::write::hed49133ebafc512c
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/core/src/fmt/mod.rs:1480:21
[INFO] [stderr]      6:     0x5b91c4296413 - std::io::default_write_fmt::hbf449fdcef9cfcd1
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5b91c4296413 - std::io::Write::write_fmt::h96c675eab0761829
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x5b91c4298982 - std::sys::backtrace::BacktraceLock::print::hd150077b5b92907f
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5b91c42998a2 - std::panicking::default_hook::{{closure}}::hc334eb150ecfad71
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x5b91c42996a5 - std::panicking::default_hook::hc8f52b0496dd1041
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5b91c429a172 - std::panicking::rust_panic_with_hook::hf6182f7da084b07a
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5b91c429a00a - std::panicking::begin_panic_handler::{{closure}}::h426997ed379719db
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5b91c4299029 - std::sys::backtrace::__rust_end_short_backtrace::he32ae5677b462ba7
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5b91c4299c9d - __rustc[561f529fb5ae8f23]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5b91c42b55e0 - core::panicking::panic_fmt::he1d506ecd9f48b46
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5b91c42b5976 - core::result::unwrap_failed::hc040a2538dd0021c
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/core/src/result.rs:1704:5
[INFO] [stderr]     17:     0x5b91c4275cac - build_script_main::main::h9dd00807baef503c
[INFO] [stderr]     18:     0x5b91c4273813 - core::ops::function::FnOnce::call_once::h03a182fc0b42313b
[INFO] [stderr]     19:     0x5b91c42733c6 - std::sys::backtrace::__rust_begin_short_backtrace::h09682ca5dbef8a2f
[INFO] [stderr]     20:     0x5b91c426ed49 - std::rt::lang_start::{{closure}}::hfcddfb7c88fa040b
[INFO] [stderr]     21:     0x5b91c4293420 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h18b3e80089c035d4
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x5b91c4293420 - std::panicking::try::do_call::hb085a80d611da8d0
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x5b91c4293420 - std::panicking::try::h85b9b3acd1f94ad0
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x5b91c4293420 - std::panic::catch_unwind::h00e86361bd4587d5
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5b91c4293420 - std::rt::lang_start_internal::{{closure}}::hf6ef6f5995f234e7
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/rt.rs:168:24
[INFO] [stderr]     26:     0x5b91c4293420 - std::panicking::try::do_call::ha8d0623f1fa5089c
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x5b91c4293420 - std::panicking::try::h2b394159d66f8bb4
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x5b91c4293420 - std::panic::catch_unwind::hd60cebf7b4d0c5b2
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5b91c4293420 - std::rt::lang_start_internal::hcec315de9ef93633
[INFO] [stderr]                                  at /rustc/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/library/std/src/rt.rs:164:5
[INFO] [stderr]     30:     0x5b91c426ed31 - std::rt::lang_start::hf89f44c0eef26108
[INFO] [stderr]     31:     0x5b91c4276095 - main
[INFO] [stderr]     32:     0x793cb68471ca - <unknown>
[INFO] [stderr]     33:     0x793cb684728b - __libc_start_main
[INFO] [stderr]     34:     0x5b91c4264415 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/libc-07259decbd5e15a2.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/libc-07259decbd5e15a2/dep-lib-libc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "c5dc7f179bf3f348119842f5fba4105d9c0909071e8648e5f0609afeb7c83808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5dc7f179bf3f348119842f5fba4105d9c0909071e8648e5f0609afeb7c83808", kill_on_drop: false }`
[INFO] [stdout] c5dc7f179bf3f348119842f5fba4105d9c0909071e8648e5f0609afeb7c83808