[INFO] cloning repository https://github.com/leekt216/rust_folding_blockchain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leekt216/rust_folding_blockchain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleekt216%2Frust_folding_blockchain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleekt216%2Frust_folding_blockchain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c615aba8b3fc2eb0b2681691c9d23f8f315bb640
[INFO] checking leekt216/rust_folding_blockchain against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleekt216%2Frust_folding_blockchain" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leekt216/rust_folding_blockchain on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leekt216/rust_folding_blockchain
[INFO] finished tweaking git repo https://github.com/leekt216/rust_folding_blockchain
[INFO] tweaked toml for git repo https://github.com/leekt216/rust_folding_blockchain written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/leekt216/rust_folding_blockchain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded db-key v0.0.5
[INFO] [stderr]   Downloaded leveldb-sys v2.0.1
[INFO] [stderr]   Downloaded leveldb v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3125253813aebc7b461c644c63661286ca16a7a4c66fc04429cdb541fa6c238
[INFO] running `Command { std: "docker" "start" "-a" "c3125253813aebc7b461c644c63661286ca16a7a4c66fc04429cdb541fa6c238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3125253813aebc7b461c644c63661286ca16a7a4c66fc04429cdb541fa6c238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3125253813aebc7b461c644c63661286ca16a7a4c66fc04429cdb541fa6c238", kill_on_drop: false }`
[INFO] [stdout] c3125253813aebc7b461c644c63661286ca16a7a4c66fc04429cdb541fa6c238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f7e6ddb97bc933c8234551375a6d0425daf6249a3c3492efe65b3a388752f7c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f7e6ddb97bc933c8234551375a6d0425daf6249a3c3492efe65b3a388752f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling leveldb-sys v2.0.1
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking db-key v0.0.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr] error: failed to run custom build command for `leveldb-sys v2.0.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/leveldb-sys-0c22e758523b4d8e/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   [build] Started
[INFO] [stderr]   [snappy] Cleaning
[INFO] [stderr]   make: Entering directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr]   [snappy] Configuring
[INFO] [stderr]   [snappy] Building
[INFO] [stderr]   make: Entering directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/deps/snappy-1.1.2'
[INFO] [stderr]   [build] Copying output files
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   make: *** No rule to make target 'distclean'.  Stop.
[INFO] [stderr]   ./configure: line 2171: config.log: Read-only file system
[INFO] [stderr]   ./configure: line 2181: config.log: Read-only file system
[INFO] [stderr]   make: *** No targets specified and no makefile found.  Stop.
[INFO] [stderr]   thread 'main' panicked at 'copy of output files failed', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46:14
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x556b9e695a9f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x556b9e695a9f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x556b9e695a9f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x556b9e695a9f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x556b9e6b510c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x556b9e693cc5 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x556b9e698070 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x556b9e698070 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x556b9e698070 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x556b9e697dbc - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x556b9e6986b3 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x556b9e6982ab - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x556b9e6b4511 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x556b9e6b42a3 - core::option::expect_failed::he4d89f45e184f5ae
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/option.rs:1266
[INFO] [stderr]     14:     0x556b9e673fad - core::option::Option<T>::expect::h05ffb4cac8b88586
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/option.rs:347
[INFO] [stderr]     15:     0x556b9e66140a - build_script_build::build_snappy::h852c19a6b08a8c67
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:46
[INFO] [stderr]     16:     0x556b9e662aa5 - build_script_build::main::hf562331ff916af9e
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/leveldb-sys-2.0.1/src/build.rs:125
[INFO] [stderr]     17:     0x556b9e6695ab - std::rt::lang_start::{{closure}}::hf464a9b82b178f7f
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67
[INFO] [stderr]     18:     0x556b9e698ac6 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:52
[INFO] [stderr]     19:     0x556b9e698ac6 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:348
[INFO] [stderr]     20:     0x556b9e698ac6 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:325
[INFO] [stderr]     21:     0x556b9e698ac6 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panic.rs:394
[INFO] [stderr]     22:     0x556b9e698ac6 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x556b9e669587 - std::rt::lang_start::h9d0191672829e771
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67
[INFO] [stderr]     24:     0x556b9e66396a - main
[INFO] [stderr]     25:     0x7f06d6a6f0b3 - __libc_start_main
[INFO] [stderr]     26:     0x556b9e65c0be - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9f7e6ddb97bc933c8234551375a6d0425daf6249a3c3492efe65b3a388752f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f7e6ddb97bc933c8234551375a6d0425daf6249a3c3492efe65b3a388752f7c", kill_on_drop: false }`
[INFO] [stdout] 9f7e6ddb97bc933c8234551375a6d0425daf6249a3c3492efe65b3a388752f7c