[INFO] fetching crate guzzle 1.0.0...
[INFO] checking guzzle-1.0.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate guzzle 1.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate guzzle 1.0.0
[INFO] finished tweaking crates.io crate guzzle 1.0.0
[INFO] tweaked toml for crates.io crate guzzle 1.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate guzzle 1.0.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--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]      Locking 41 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acd9c34d7d9aca0d59c912af6fad33eff82eae976c9e01499d9796e924004a76
[INFO] running `Command { std: "docker" "start" "-a" "acd9c34d7d9aca0d59c912af6fad33eff82eae976c9e01499d9796e924004a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acd9c34d7d9aca0d59c912af6fad33eff82eae976c9e01499d9796e924004a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd9c34d7d9aca0d59c912af6fad33eff82eae976c9e01499d9796e924004a76", kill_on_drop: false }`
[INFO] [stdout] acd9c34d7d9aca0d59c912af6fad33eff82eae976c9e01499d9796e924004a76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a863484d4ad176c0e61f164e813a9a9b0e709f719f34320dfc7784124c5a84ba
[INFO] running `Command { std: "docker" "start" "-a" "a863484d4ad176c0e61f164e813a9a9b0e709f719f34320dfc7784124c5a84ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]     Checking winnow v0.7.13
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking toml_writer v1.0.2
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling guzzle-derive v1.0.0
[INFO] [stderr]     Checking toml_parser v1.0.2
[INFO] [stderr]     Checking serde_spanned v1.0.0
[INFO] [stderr]     Checking toml_datetime v0.7.0
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]     Checking toml v0.9.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling guzzle v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking trybuild v1.0.110
[INFO] [stderr] error: failed to run custom build command for `guzzle v1.0.0 (/opt/rustwide/workdir)`
[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/guzzle-86fd54cd6b6190cc/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:25:49:
[INFO] [stderr]   Could not write to README.md: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c6b56b5c6b2 - std::backtrace_rs::backtrace::libunwind::trace::h35697ee4eba130ce
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5c6b56b5c6b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h821d82358390ef61
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5c6b56b5c6b2 - std::sys::backtrace::_print_fmt::h9158bc717d508a77
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c6b56b5c6b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5ed0d80c0838d532
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c6b56b799d3 - core::fmt::rt::Argument::fmt::h1fe7174bba1b124b
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5c6b56b799d3 - core::fmt::write::hb2c60dfec63532e6
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5c6b56b5a2a3 - std::io::default_write_fmt::h6bc575c69608f4bf
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c6b56b5a2a3 - std::io::Write::write_fmt::h7d885d72495c944f
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5c6b56b5c502 - std::sys::backtrace::BacktraceLock::print::h4bc25f9b1002918e
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c6b56b5d583 - std::panicking::default_hook::{{closure}}::h692acb67e5838edc
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5c6b56b5d365 - std::panicking::default_hook::h6d7f5243a6b747a3
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5c6b56b5de55 - std::panicking::rust_panic_with_hook::hb10a8b2fbcdc8429
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5c6b56b5dcea - std::panicking::begin_panic_handler::{{closure}}::hba6753e2258c3ca5
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5c6b56b5cba9 - std::sys::backtrace::__rust_end_short_backtrace::h2cb272d2e7861977
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c6b56b5d97d - __rustc[eab4d5e6b70a8ffe]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5c6b56b788c0 - core::panicking::panic_fmt::hf5fc61f5edac1f66
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5c6b56b78d26 - core::result::unwrap_failed::haa623b4ff31ed2b9
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x5c6b56916a50 - core::result::Result<T,E>::expect::h4d7b9f8b9fff0f98
[INFO] [stderr]     18:     0x5c6b56917e8e - build_script_build::create_readme::h4883d81d3ce2a056
[INFO] [stderr]     19:     0x5c6b56918189 - build_script_build::main::hfd615fc94afa159b
[INFO] [stderr]     20:     0x5c6b569149c3 - core::ops::function::FnOnce::call_once::hecd861e8b8e5992d
[INFO] [stderr]     21:     0x5c6b569145e6 - std::sys::backtrace::__rust_begin_short_backtrace::h178faa5888fe49ef
[INFO] [stderr]     22:     0x5c6b56911979 - std::rt::lang_start::{{closure}}::h6c6049abe24f4f6d
[INFO] [stderr]     23:     0x5c6b56b57590 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h66ad6720703f8ea1
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x5c6b56b57590 - std::panicking::catch_unwind::do_call::he2b21b35195f1300
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     25:     0x5c6b56b57590 - std::panicking::catch_unwind::hc26ac766233d7e02
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     26:     0x5c6b56b57590 - std::panic::catch_unwind::h8b08d739cff46c9c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5c6b56b57590 - std::rt::lang_start_internal::{{closure}}::h45fb10f5cf038da2
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5c6b56b57590 - std::panicking::catch_unwind::do_call::h9dd91bad151f329c
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:589:40
[INFO] [stderr]     29:     0x5c6b56b57590 - std::panicking::catch_unwind::h4a013f3afc17f233
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panicking.rs:552:19
[INFO] [stderr]     30:     0x5c6b56b57590 - std::panic::catch_unwind::h402a508eeeb80b75
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5c6b56b57590 - std::rt::lang_start_internal::h310eb6ed8a66b615
[INFO] [stderr]                                  at /rustc/a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5c6b56911961 - std::rt::lang_start::h887cd601c6175eff
[INFO] [stderr]     33:     0x5c6b56918215 - main
[INFO] [stderr]     34:     0x7b59382361ca - <unknown>
[INFO] [stderr]     35:     0x7b593823628b - __libc_start_main
[INFO] [stderr]     36:     0x5c6b5690f5f5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a863484d4ad176c0e61f164e813a9a9b0e709f719f34320dfc7784124c5a84ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a863484d4ad176c0e61f164e813a9a9b0e709f719f34320dfc7784124c5a84ba", kill_on_drop: false }`
[INFO] [stdout] a863484d4ad176c0e61f164e813a9a9b0e709f719f34320dfc7784124c5a84ba
