[INFO] fetching crate filelock-rs 0.1.0-beta.2... [INFO] testing filelock-rs-0.1.0-beta.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate filelock-rs 0.1.0-beta.2 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate filelock-rs 0.1.0-beta.2 [INFO] finished tweaking crates.io crate filelock-rs 0.1.0-beta.2 [INFO] tweaked toml for crates.io crate filelock-rs 0.1.0-beta.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate filelock-rs 0.1.0-beta.2 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 1 package to latest compatible version [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5d6056b63c34d9952acee5fdfc319aae1ccfae7be4ba9a6981786fdc471a55b6 [INFO] running `Command { std: "docker" "start" "-a" "5d6056b63c34d9952acee5fdfc319aae1ccfae7be4ba9a6981786fdc471a55b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d6056b63c34d9952acee5fdfc319aae1ccfae7be4ba9a6981786fdc471a55b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d6056b63c34d9952acee5fdfc319aae1ccfae7be4ba9a6981786fdc471a55b6", kill_on_drop: false }` [INFO] [stdout] 5d6056b63c34d9952acee5fdfc319aae1ccfae7be4ba9a6981786fdc471a55b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ddb5c5854d98f9d311066fc730c88b1dd7e841a331d09b3c21d515039a53cc3f [INFO] running `Command { std: "docker" "start" "-a" "ddb5c5854d98f9d311066fc730c88b1dd7e841a331d09b3c21d515039a53cc3f", kill_on_drop: false }` [INFO] [stderr] Compiling filelock-rs v0.1.0-beta.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "ddb5c5854d98f9d311066fc730c88b1dd7e841a331d09b3c21d515039a53cc3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddb5c5854d98f9d311066fc730c88b1dd7e841a331d09b3c21d515039a53cc3f", kill_on_drop: false }` [INFO] [stdout] ddb5c5854d98f9d311066fc730c88b1dd7e841a331d09b3c21d515039a53cc3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3be8a7ed3bf7b40963fb5b057bbf71387dd0a206cd992403ae52a075dd72a945 [INFO] running `Command { std: "docker" "start" "-a" "3be8a7ed3bf7b40963fb5b057bbf71387dd0a206cd992403ae52a075dd72a945", kill_on_drop: false }` [INFO] [stderr] Compiling filelock-rs v0.1.0-beta.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "3be8a7ed3bf7b40963fb5b057bbf71387dd0a206cd992403ae52a075dd72a945", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3be8a7ed3bf7b40963fb5b057bbf71387dd0a206cd992403ae52a075dd72a945", kill_on_drop: false }` [INFO] [stdout] 3be8a7ed3bf7b40963fb5b057bbf71387dd0a206cd992403ae52a075dd72a945 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2389a05970d0510f2da8c6aa6008f6962443fd3ebb8d3bd54fed709adcb7d1dc [INFO] running `Command { std: "docker" "start" "-a" "2389a05970d0510f2da8c6aa6008f6962443fd3ebb8d3bd54fed709adcb7d1dc", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filelock_rs-cca42aef31b78cc4) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests filelock_rs [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/pid.rs - pid (line 14) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 13) - compile ... ok [INFO] [stdout] test src/pid.rs - pid::Pid::new (line 83) - compile ... ok [INFO] [stdout] test src/pid.rs - pid (line 29) - compile ... ok [INFO] [stdout] test src/lib.rs - (line 33) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 33) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (59) panicked at src/lib.rs:8:37: [INFO] [stdout] Failed to create file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5f689c40ce12 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5f689c40ce12 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5f689c40ce12 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5f689c40ce12 - ::fmt::hde21067283f7e82e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5f689c41b9ff - core::fmt::rt::Argument::fmt::he65307037dca33c6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5f689c41b9ff - core::fmt::write::h24186904251c31cb [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5f689c3ea633 - std::io::default_write_fmt::hdc5d19b6df666f61 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5f689c3ea633 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5f689c3efef2 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5f689c3f17ec - std::panicking::default_hook::{{closure}}::h80a26d916c49679b [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5f689c3f1646 - std::panicking::default_hook::he2e9efee79b3dce9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5f689c3f1dc5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5f689c3f1c5a - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5f689c3f0029 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5f689c3df22d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5f689c41eee0 - core::panicking::panic_fmt::hb5d6b83773432920 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5f689c41e766 - core::result::unwrap_failed::h427ee4a8bb06d8af [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5f689c3de0b2 - core::result::Result::expect::h9ffd56d00a792ab4 [INFO] [stdout] 18: 0x5f689c3de38f - rust_out::main::_doctest_main_src_lib_rs_33_0::h729ad182d4383ed6 [INFO] [stdout] 19: 0x5f689c3de346 - rust_out::main::hbdf05be24bd65ee6 [INFO] [stdout] 20: 0x5f689c3ddb23 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e [INFO] [stdout] 21: 0x5f689c3dd976 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a [INFO] [stdout] 22: 0x5f689c3dd8b9 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95 [INFO] [stdout] 23: 0x5f689c3ebf70 - core::ops::function::impls:: for &F>::call_once::h8434f550918e723f [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 24: 0x5f689c3ebf70 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 25: 0x5f689c3ebf70 - std::panicking::catch_unwind::hf345702047129f6d [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 26: 0x5f689c3ebf70 - std::panic::catch_unwind::h42f92c278294a3a0 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 27: 0x5f689c3ebf70 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24 [INFO] [stdout] 28: 0x5f689c3ebf70 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x5f689c3ebf70 - std::panicking::catch_unwind::hbfda5503aab4db1e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x5f689c3ebf70 - std::panic::catch_unwind::h1a1ed11560d244f4 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x5f689c3ebf70 - std::rt::lang_start_internal::h1f713c0146d469ad [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5 [INFO] [stdout] 32: 0x5f689c3dd8a1 - std::rt::lang_start::h25a068bab729a087 [INFO] [stdout] 33: 0x5f689c3de4e5 - main [INFO] [stdout] 34: 0x7ae040f1c1ca - [INFO] [stdout] 35: 0x7ae040f1c28b - __libc_start_main [INFO] [stdout] 36: 0x5f689c3dcd35 - _start [INFO] [stdout] 37: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 33) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.28s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "2389a05970d0510f2da8c6aa6008f6962443fd3ebb8d3bd54fed709adcb7d1dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2389a05970d0510f2da8c6aa6008f6962443fd3ebb8d3bd54fed709adcb7d1dc", kill_on_drop: false }` [INFO] [stdout] 2389a05970d0510f2da8c6aa6008f6962443fd3ebb8d3bd54fed709adcb7d1dc