[INFO] fetching crate guzzle 1.0.0...
[INFO] checking guzzle-1.0.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate guzzle 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate guzzle 1.0.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 48ad7fadfa2601d9592492b55f848c0ca577c38452e060abfbb0d496db44a3d0
[INFO] running `Command { std: "docker" "start" "-a" "48ad7fadfa2601d9592492b55f848c0ca577c38452e060abfbb0d496db44a3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48ad7fadfa2601d9592492b55f848c0ca577c38452e060abfbb0d496db44a3d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48ad7fadfa2601d9592492b55f848c0ca577c38452e060abfbb0d496db44a3d0", kill_on_drop: false }`
[INFO] [stdout] 48ad7fadfa2601d9592492b55f848c0ca577c38452e060abfbb0d496db44a3d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94ebfb5bb28a44283383d056d463cc8a791daf75f033afcda42f6cb54438edfe
[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" "94ebfb5bb28a44283383d056d463cc8a791daf75f033afcda42f6cb54438edfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.128
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling trybuild v1.0.45
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling guzzle v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling guzzle-derive v1.0.0
[INFO] [stderr] error: failed to run custom build command for `guzzle v1.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/guzzle-3caa05b7d40ed631/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Could not write to README.md: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:25:49
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f81c7a5bac - std::backtrace_rs::backtrace::libunwind::trace::ha21b6ba3016b6364
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55f81c7a5bac - std::backtrace_rs::backtrace::trace_unsynchronized::hf515241a118c4e5a
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f81c7a5bac - std::sys_common::backtrace::_print_fmt::h339cd474d88b8467
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f81c7a5bac - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h06b8f714a0700be1
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f81c7bf7fc - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/core/src/fmt/mod.rs:1117:17
[INFO] [stderr]      5:     0x55f81c7a3c25 - std::io::Write::write_fmt::hb1c61d571fcd8cbf
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55f81c7a74c0 - std::sys_common::backtrace::_print::hcd1fe1237ea0c752
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f81c7a74c0 - std::sys_common::backtrace::print::hae7d6625a78cd32e
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f81c7a74c0 - std::panicking::default_hook::{{closure}}::h9a7fffa4e6b396ed
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55f81c7a707b - std::panicking::default_hook::h5dc58e323cddd123
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55f81c7a7b74 - std::panicking::rust_panic_with_hook::hbef17e4338d7de57
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55f81c7a7650 - std::panicking::begin_panic_handler::{{closure}}::hd8a92a4b1c3baae0
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:521:13
[INFO] [stderr]     12:     0x55f81c7a6074 - std::sys_common::backtrace::__rust_end_short_backtrace::ha5ac263a7609ace8
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55f81c7a75b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x55f81c5da341 - core::panicking::panic_fmt::hcf5f6d96e1dd7099
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/core/src/panicking.rs:93:14
[INFO] [stderr]     15:     0x55f81c5da3d3 - core::result::unwrap_failed::he898b02f57993c42
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/core/src/result.rs:1617:5
[INFO] [stderr]     16:     0x55f81c5dcc48 - core::result::Result<T,E>::expect::h4c3c336675c1b394
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/core/src/result.rs:1259:23
[INFO] [stderr]     17:     0x55f81c5de26e - build_script_build::create_readme::h30e82a687420b608
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:25:5
[INFO] [stderr]     18:     0x55f81c5de2d9 - build_script_build::main::h0a6f1233d2f669e2
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:30:5
[INFO] [stderr]     19:     0x55f81c5de97b - core::ops::function::FnOnce::call_once::h886f92ab9ea5ba53
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55f81c5de3be - std::sys_common::backtrace::__rust_begin_short_backtrace::h2520864a92591e9f
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55f81c5dc771 - std::rt::lang_start::{{closure}}::ha761d36edc114316
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x55f81c7a807a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc9bc8961e4809a14
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55f81c7a807a - std::panicking::try::do_call::h6f00e12df2af6579
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x55f81c7a807a - std::panicking::try::h588c31a0a9a8ad2c
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x55f81c7a807a - std::panic::catch_unwind::h8ebc4fcb0e51bec0
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panic.rs:129:14
[INFO] [stderr]     26:     0x55f81c7a807a - std::rt::lang_start_internal::{{closure}}::had93e50fbfd893a1
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x55f81c7a807a - std::panicking::try::do_call::hf70c5056d8b410b7
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:403:40
[INFO] [stderr]     28:     0x55f81c7a807a - std::panicking::try::h0c680320de5deb84
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panicking.rs:367:19
[INFO] [stderr]     29:     0x55f81c7a807a - std::panic::catch_unwind::h7b94a99f13366c53
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/panic.rs:129:14
[INFO] [stderr]     30:     0x55f81c7a807a - std::rt::lang_start_internal::hca14fb2549072049
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x55f81c5dc740 - std::rt::lang_start::ha555fe9ae88affe0
[INFO] [stderr]                                  at /rustc/33fdb797f59421c7bbecaa4588ed5d7a31a9494a/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x55f81c5de36c - main
[INFO] [stderr]     33:     0x7f8c1dcd00b3 - __libc_start_main
[INFO] [stderr]     34:     0x55f81c5daade - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "94ebfb5bb28a44283383d056d463cc8a791daf75f033afcda42f6cb54438edfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ebfb5bb28a44283383d056d463cc8a791daf75f033afcda42f6cb54438edfe", kill_on_drop: false }`
[INFO] [stdout] 94ebfb5bb28a44283383d056d463cc8a791daf75f033afcda42f6cb54438edfe