[INFO] fetching crate safe-fork 0.1.1...
[INFO] testing safe-fork-0.1.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate safe-fork 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate safe-fork 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate safe-fork 0.1.1
[INFO] tweaked toml for crates.io crate safe-fork 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe-fork 0.1.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba0b49a11dc36e20a33a40bb40c4c8b4f0d6c2fba33ae2d7cdc713e42581599
[INFO] running `Command { std: "docker" "start" "-a" "eba0b49a11dc36e20a33a40bb40c4c8b4f0d6c2fba33ae2d7cdc713e42581599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba0b49a11dc36e20a33a40bb40c4c8b4f0d6c2fba33ae2d7cdc713e42581599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba0b49a11dc36e20a33a40bb40c4c8b4f0d6c2fba33ae2d7cdc713e42581599", kill_on_drop: false }`
[INFO] [stdout] eba0b49a11dc36e20a33a40bb40c4c8b4f0d6c2fba33ae2d7cdc713e42581599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2643e795b15aeb642f41d967dff9d4488333facd8e5bb59ceb327d19ae14eaca
[INFO] running `Command { std: "docker" "start" "-a" "2643e795b15aeb642f41d967dff9d4488333facd8e5bb59ceb327d19ae14eaca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling safe-fork v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "2643e795b15aeb642f41d967dff9d4488333facd8e5bb59ceb327d19ae14eaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2643e795b15aeb642f41d967dff9d4488333facd8e5bb59ceb327d19ae14eaca", kill_on_drop: false }`
[INFO] [stdout] 2643e795b15aeb642f41d967dff9d4488333facd8e5bb59ceb327d19ae14eaca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b4bde945bc2990294d749abad038b737526370fcc016f61e22b22258aa03d0
[INFO] running `Command { std: "docker" "start" "-a" "77b4bde945bc2990294d749abad038b737526370fcc016f61e22b22258aa03d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-fork v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "77b4bde945bc2990294d749abad038b737526370fcc016f61e22b22258aa03d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b4bde945bc2990294d749abad038b737526370fcc016f61e22b22258aa03d0", kill_on_drop: false }`
[INFO] [stdout] 77b4bde945bc2990294d749abad038b737526370fcc016f61e22b22258aa03d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c8daa602d27ede7dc651fd8fe2ebe404a9a3863569f296f18abaaa4a5346186
[INFO] running `Command { std: "docker" "start" "-a" "8c8daa602d27ede7dc651fd8fe2ebe404a9a3863569f296f18abaaa4a5346186", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/safe_fork-648c6bc335d778ce)
[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]      Running tests/multi_threaded.rs (/opt/rustwide/target/debug/deps/multi_threaded-5028501affeaac4d)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (18) panicked at tests/multi_threaded.rs:2:44:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5d4b41159caa - std[ec419fa8110287d5]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5d4b41159caa - std[ec419fa8110287d5]::backtrace_rs::backtrace::trace_unsynchronized::<std[ec419fa8110287d5]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5d4b41159caa - std[ec419fa8110287d5]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5d4b41159caa - <<std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[35159d6ffb30e017]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5d4b4116a25a - <core[35159d6ffb30e017]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5d4b4116a25a - core[35159d6ffb30e017]::fmt::write
[INFO] [stderr]    6:     0x5d4b4115d372 - std[ec419fa8110287d5]::io::default_write_fmt::<std[ec419fa8110287d5]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:621:11
[INFO] [stderr]    7:     0x5d4b4115d372 - <std[ec419fa8110287d5]::sys::stdio::unix::Stderr as std[ec419fa8110287d5]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]    8:     0x5d4b41145a7f - <std[ec419fa8110287d5]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5d4b41145a7f - std[ec419fa8110287d5]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5d4b411561f1 - std[ec419fa8110287d5]::panicking::default_hook
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5d4b411563ab - std[ec419fa8110287d5]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x5d4b41145b38 - std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:698:13
[INFO] [stderr]   13:     0x5d4b4113d8b9 - std[ec419fa8110287d5]::sys::backtrace::__rust_end_short_backtrace::<std[ec419fa8110287d5]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x5d4b4114631d - __rustc[cfb3622dd870db93]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x5d4b4116a90c - core[35159d6ffb30e017]::panicking::panic_fmt
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x5d4b4116a6e2 - core[35159d6ffb30e017]::result::unwrap_failed
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1867:5
[INFO] [stderr]   17:     0x5d4b4112f3ac - <core[35159d6ffb30e017]::result::Result<i32, std[ec419fa8110287d5]::io::error::Error>>::unwrap
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/result.rs:1233:23
[INFO] [stderr]   18:     0x5d4b4112f3ac - multi_threaded[1422ca8cb7589b93]::main
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/multi_threaded.rs:2:44
[INFO] [stderr]   19:     0x5d4b4112f6cb - <fn() as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   20:     0x5d4b4112f29e - std[ec419fa8110287d5]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   21:     0x5d4b4112f2e1 - std[ec419fa8110287d5]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:206:18
[INFO] [stderr]   22:     0x5d4b41155907 - <&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe as core[35159d6ffb30e017]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   23:     0x5d4b41155907 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stderr]   24:     0x5d4b41155907 - std[ec419fa8110287d5]::panicking::catch_unwind::<i32, &dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stderr]   25:     0x5d4b41155907 - std[ec419fa8110287d5]::panic::catch_unwind::<&dyn core[35159d6ffb30e017]::ops::function::Fn<(), Output = i32> + core[35159d6ffb30e017]::marker::Sync + core[35159d6ffb30e017]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stderr]   26:     0x5d4b41155907 - std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:175:24
[INFO] [stderr]   27:     0x5d4b41155907 - std[ec419fa8110287d5]::panicking::catch_unwind::do_call::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:581:40
[INFO] [stderr]   28:     0x5d4b41155907 - std[ec419fa8110287d5]::panicking::catch_unwind::<isize, std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panicking.rs:544:19
[INFO] [stderr]   29:     0x5d4b41155907 - std[ec419fa8110287d5]::panic::catch_unwind::<std[ec419fa8110287d5]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/panic.rs:359:14
[INFO] [stderr]   30:     0x5d4b41155907 - std[ec419fa8110287d5]::rt::lang_start_internal
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:171:5
[INFO] [stderr]   31:     0x5d4b4112f287 - std[ec419fa8110287d5]::rt::lang_start::<()>
[INFO] [stderr]                                at /rustc/33835004928d3bf65db4d4712e1330766263b0bd/library/std/src/rt.rs:205:5
[INFO] [stderr]   32:     0x5d4b4112f72e - main
[INFO] [stderr]   33:     0x79d12fc651ca - <unknown>
[INFO] [stderr]   34:     0x79d12fc6528b - __libc_start_main
[INFO] [stderr]   35:     0x5d4b4112eeb5 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test multi_threaded`
[INFO] running `Command { std: "docker" "inspect" "8c8daa602d27ede7dc651fd8fe2ebe404a9a3863569f296f18abaaa4a5346186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8daa602d27ede7dc651fd8fe2ebe404a9a3863569f296f18abaaa4a5346186", kill_on_drop: false }`
[INFO] [stdout] 8c8daa602d27ede7dc651fd8fe2ebe404a9a3863569f296f18abaaa4a5346186
