[INFO] crate flame 0.2.1-pre2 is already in cache [INFO] extracting crate flame 0.2.1-pre2 into work/ex/beta-1.38-1/sources/1.37.0/reg/flame/0.2.1-pre2 [INFO] extracting crate flame 0.2.1-pre2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flame/0.2.1-pre2 [INFO] validating manifest of flame-0.2.1-pre2 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of flame-0.2.1-pre2 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing flame-0.2.1-pre2 [INFO] finished frobbing flame-0.2.1-pre2 [INFO] frobbed toml for flame-0.2.1-pre2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/flame/0.2.1-pre2/Cargo.toml [INFO] started frobbing flame-0.2.1-pre2 [INFO] finished frobbing flame-0.2.1-pre2 [INFO] frobbed toml for flame-0.2.1-pre2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/flame/0.2.1-pre2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing flame-0.2.1-pre2 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flame/0.2.1-pre2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 3699e3eedc0bd7baa719c5f052752d79c603a36bd01dd404839572363c6df23e [INFO] running `"docker" "start" "-a" "3699e3eedc0bd7baa719c5f052752d79c603a36bd01dd404839572363c6df23e"` [INFO] [stderr] Compiling thread-id v3.3.0 [INFO] [stderr] Compiling flame v0.2.1-pre2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.12s [INFO] running `"docker" "inspect" "3699e3eedc0bd7baa719c5f052752d79c603a36bd01dd404839572363c6df23e"` [INFO] running `"docker" "rm" "-f" "3699e3eedc0bd7baa719c5f052752d79c603a36bd01dd404839572363c6df23e"` [INFO] [stdout] 3699e3eedc0bd7baa719c5f052752d79c603a36bd01dd404839572363c6df23e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flame/0.2.1-pre2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] c766fb59e973c658de4600cf62c3bf3d5ba9f588bee084021995ef693952d6e9 [INFO] running `"docker" "start" "-a" "c766fb59e973c658de4600cf62c3bf3d5ba9f588bee084021995ef693952d6e9"` [INFO] [stderr] Compiling flame v0.2.1-pre2 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.66s [INFO] running `"docker" "inspect" "c766fb59e973c658de4600cf62c3bf3d5ba9f588bee084021995ef693952d6e9"` [INFO] running `"docker" "rm" "-f" "c766fb59e973c658de4600cf62c3bf3d5ba9f588bee084021995ef693952d6e9"` [INFO] [stdout] c766fb59e973c658de4600cf62c3bf3d5ba9f588bee084021995ef693952d6e9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/flame/0.2.1-pre2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] b125bd3d58e337b4009f31bd543e6b276b024514dc53ad9be1452b3f281a1782 [INFO] running `"docker" "start" "-a" "b125bd3d58e337b4009f31bd543e6b276b024514dc53ad9be1452b3f281a1782"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/flame-619a2c1050dfbf63 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/crater/target/debug/deps/tests-7b32fb2c544c6ef4 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test double_nested ... ok [INFO] [stdout] test dropped_guarded_event ... ok [INFO] [stdout] test named_guarded_event ... ok [INFO] [stdout] test single_event ... ok [INFO] [stdout] test multiple_guard_early_return ... ok [INFO] [stdout] test single_nested ... ok [INFO] [stdout] test implicit_guarded_event ... ok [INFO] [stdout] test end_with ... ok [INFO] [stdout] test threads ... ok [INFO] [stdout] test cant_note ... ok [INFO] [stdout] test wrong_name ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests flame [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x562d020eb54b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x562d020eb54b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x562d020eb54b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x562d020eb54b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x562d020eb54b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x562d020eb227 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x562d020ebc60 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x562d020eb7e2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x562d020eb6c6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x562d020ffead - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x562d020c7a88 - core::result::unwrap_failed::ha0c63df1a96f5bbb [INFO] [stdout] 11: 0x562d020c7f20 - core::result::Result::unwrap::h4f11a5a61a280cd4 [INFO] [stdout] 12: 0x562d020c49a9 - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 13: 0x562d020c8cf3 - std::rt::lang_start::{{closure}}::h6ad5bf6913459b3e [INFO] [stdout] 14: 0x562d020eb663 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 15: 0x562d020eb663 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 16: 0x562d020ed54a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 17: 0x562d020ec16d - std::panicking::try::hdf71f938885bca42 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 18: 0x562d020ec16d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 19: 0x562d020ec16d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 20: 0x562d020c8cd5 - std::rt::lang_start::he873873cea7d311a [INFO] [stdout] 21: 0x562d020c4c4b - main [INFO] [stdout] 22: 0x7f9265e712e1 - __libc_start_main [INFO] [stdout] 23: 0x562d020c003a - _start [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 5) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "b125bd3d58e337b4009f31bd543e6b276b024514dc53ad9be1452b3f281a1782"` [INFO] running `"docker" "rm" "-f" "b125bd3d58e337b4009f31bd543e6b276b024514dc53ad9be1452b3f281a1782"` [INFO] [stdout] b125bd3d58e337b4009f31bd543e6b276b024514dc53ad9be1452b3f281a1782