[INFO] fetching crate polonius 0.3.0...
[INFO] testing polonius-0.3.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate polonius 0.3.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate polonius 0.3.0
[INFO] finished tweaking crates.io crate polonius 0.3.0
[INFO] tweaked toml for crates.io crate polonius 0.3.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polonius 0.3.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 155 packages to latest compatible versions
[INFO] [stderr]       Adding assert_cli v0.5.4 (available: v0.6.3)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.51)
[INFO] [stderr]       Adding datafrog v0.1.0 (available: v2.0.1)
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.8)
[INFO] [stderr]       Adding histo v0.1.0 (available: v1.0.0)
[INFO] [stderr]       Adding polonius-engine v0.6.2 (available: v0.13.0)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[INFO] [stderr]       Adding structopt v0.2.18 (available: v0.3.26)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded polonius-parser v0.2.0
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded atty v0.1.2
[INFO] [stderr]   Downloaded lalrpop-util v0.15.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded datafrog v0.1.0
[INFO] [stderr]   Downloaded streaming-stats v0.1.29
[INFO] [stderr]   Downloaded datafrog v2.0.1
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] [stderr]   Downloaded bit-vec v0.4.4
[INFO] [stderr]   Downloaded ena v0.5.0
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded lalrpop v0.15.2
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded lalrpop-snap v0.15.2
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded histo v0.1.0
[INFO] [stderr]   Downloaded polonius-engine v0.6.2
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded generic-array v0.9.1
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded ascii-canvas v1.0.0
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded bit-set v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d2e7fb5090060d16d01fc79b31ca0e6af5f321ea84e78f89f39b94aac468bfe
[INFO] running `Command { std: "docker" "start" "-a" "6d2e7fb5090060d16d01fc79b31ca0e6af5f321ea84e78f89f39b94aac468bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d2e7fb5090060d16d01fc79b31ca0e6af5f321ea84e78f89f39b94aac468bfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2e7fb5090060d16d01fc79b31ca0e6af5f321ea84e78f89f39b94aac468bfe", kill_on_drop: false }`
[INFO] [stdout] 6d2e7fb5090060d16d01fc79b31ca0e6af5f321ea84e78f89f39b94aac468bfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7dcc3feaaa0fb496a8c45f4f533969c1d2f2b1014891251cf151d76cf80483
[INFO] running `Command { std: "docker" "start" "-a" "5e7dcc3feaaa0fb496a8c45f4f533969c1d2f2b1014891251cf151d76cf80483", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling lalrpop-util v0.15.2
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling ena v0.5.0
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling datafrog v2.0.1
[INFO] [stderr]    Compiling datafrog v0.1.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling polonius-engine v0.6.2
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling generic-array v0.9.1
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling streaming-stats v0.1.29
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling histo v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling lalrpop-snap v0.15.2
[INFO] [stderr]    Compiling lalrpop v0.15.2
[INFO] [stderr]    Compiling polonius-parser v0.2.0
[INFO] [stderr] error: failed to run custom build command for `polonius-parser v0.2.0`
[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/polonius-parser-68a312bec04758eb/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polonius-parser-0.2.0/src/parser.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (994) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polonius-parser-0.2.0/build.rs:4:29:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5724525c8962 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5724525c8962 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5724525c8962 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5724525c8962 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde21067283f7e82e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5724525d8e8f - core::fmt::rt::Argument::fmt::he65307037dca33c6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5724525d8e8f - core::fmt::write::h24186904251c31cb
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5724525a2c83 - std::io::default_write_fmt::hdc5d19b6df666f61
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5724525a2c83 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5724525a9772 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5724525ab9fc - std::panicking::default_hook::{{closure}}::h80a26d916c49679b
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5724525ab856 - std::panicking::default_hook::he2e9efee79b3dce9
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5724525abfd5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5724525abe6a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5724525a98b9 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57245259728d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5724525e14d0 - core::panicking::panic_fmt::hb5d6b83773432920
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5724525e07b6 - core::result::unwrap_failed::h427ee4a8bb06d8af
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5
[INFO] [stderr]     17:     0x57245200db0c - build_script_build::main::hf61e216124b0af31
[INFO] [stderr]     18:     0x57245200dbb3 - core::ops::function::FnOnce::call_once::h4d6482ce8f7c53e3
[INFO] [stderr]     19:     0x57245200db96 - std::sys::backtrace::__rust_begin_short_backtrace::h35af97c13cfbb9bf
[INFO] [stderr]     20:     0x57245200db79 - std::rt::lang_start::{{closure}}::h15bf1f20e939d348
[INFO] [stderr]     21:     0x5724525a46b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8434f550918e723f
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5724525a46b0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x5724525a46b0 - std::panicking::catch_unwind::hf345702047129f6d
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x5724525a46b0 - std::panic::catch_unwind::h42f92c278294a3a0
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5724525a46b0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5724525a46b0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x5724525a46b0 - std::panicking::catch_unwind::hbfda5503aab4db1e
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x5724525a46b0 - std::panic::catch_unwind::h1a1ed11560d244f4
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5724525a46b0 - std::rt::lang_start_internal::h1f713c0146d469ad
[INFO] [stderr]                                  at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x57245200db61 - std::rt::lang_start::hedb8f10caa859d10
[INFO] [stderr]     31:     0x57245200de15 - main
[INFO] [stderr]     32:     0x7dcf5f8f41ca - <unknown>
[INFO] [stderr]     33:     0x7dcf5f8f428b - __libc_start_main
[INFO] [stderr]     34:     0x57245200d9d5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "5e7dcc3feaaa0fb496a8c45f4f533969c1d2f2b1014891251cf151d76cf80483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7dcc3feaaa0fb496a8c45f4f533969c1d2f2b1014891251cf151d76cf80483", kill_on_drop: false }`
[INFO] [stdout] 5e7dcc3feaaa0fb496a8c45f4f533969c1d2f2b1014891251cf151d76cf80483