[INFO] fetching crate fs3ds 1.0.0...
[INFO] testing fs3ds-1.0.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate fs3ds 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fs3ds 1.0.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fs3ds 1.0.0
[INFO] finished tweaking crates.io crate fs3ds 1.0.0
[INFO] tweaked toml for crates.io crate fs3ds 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 479fc258e5574809c66a8454f88a33dad20336a988a8eec63a4893da6ab75132
[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" "479fc258e5574809c66a8454f88a33dad20336a988a8eec63a4893da6ab75132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "479fc258e5574809c66a8454f88a33dad20336a988a8eec63a4893da6ab75132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "479fc258e5574809c66a8454f88a33dad20336a988a8eec63a4893da6ab75132", kill_on_drop: false }`
[INFO] [stdout] 479fc258e5574809c66a8454f88a33dad20336a988a8eec63a4893da6ab75132
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bd8b814385c005940aaaefd793febc2ad40a9f76e1d89645b4159294fb8d5bf
[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" "2bd8b814385c005940aaaefd793febc2ad40a9f76e1d89645b4159294fb8d5bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling vfs v0.2.1
[INFO] [stderr]    Compiling fs3ds v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "2bd8b814385c005940aaaefd793febc2ad40a9f76e1d89645b4159294fb8d5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bd8b814385c005940aaaefd793febc2ad40a9f76e1d89645b4159294fb8d5bf", kill_on_drop: false }`
[INFO] [stdout] 2bd8b814385c005940aaaefd793febc2ad40a9f76e1d89645b4159294fb8d5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fba48667a5878a076ed9b981c34a347da3b262f9e0a75d7c1453b0b5fb2e894
[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" "2fba48667a5878a076ed9b981c34a347da3b262f9e0a75d7c1453b0b5fb2e894", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs3ds v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "2fba48667a5878a076ed9b981c34a347da3b262f9e0a75d7c1453b0b5fb2e894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fba48667a5878a076ed9b981c34a347da3b262f9e0a75d7c1453b0b5fb2e894", kill_on_drop: false }`
[INFO] [stdout] 2fba48667a5878a076ed9b981c34a347da3b262f9e0a75d7c1453b0b5fb2e894
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ea4ebb1591770cf624678c9cdfb93351e8156bbc507e0e0a3f555c56dec90fd
[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" "1ea4ebb1591770cf624678c9cdfb93351e8156bbc507e0e0a3f555c56dec90fd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fs3ds-95a8b8a211ffad09
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fs3ds
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) 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: 2, kind: NotFound, message: "No such file or directory" }', src/lib.rs:6:34
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x557bcf4331a0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x557bcf4331a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x557bcf4331a0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x557bcf4331a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7881e3a580134f9a
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x557bcf44e13c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17
[INFO] [stdout]    5:     0x557bcf431402 - std::io::Write::write_fmt::h24485de26f355188
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15
[INFO] [stdout]    6:     0x557bcf435685 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x557bcf435685 - std::sys_common::backtrace::print::hd22ac23fed5071c8
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x557bcf435685 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x557bcf4351da - std::panicking::default_hook::hb08853b392b9404b
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x557bcf435e21 - std::panicking::rust_panic_with_hook::h3624ee29da369ede
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17
[INFO] [stdout]   11:     0x557bcf435967 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13
[INFO] [stdout]   12:     0x557bcf43365c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x557bcf4358c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5
[INFO] [stdout]   14:     0x557bcf44d4e1 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x557bcf44d303 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5
[INFO] [stdout]   16:     0x557bcf410c8b - core::result::Result<T,E>::unwrap::he7acb558861e9a41
[INFO] [stdout]   17:     0x557bcf41afd1 - rust_out::main::h405f65324f7b53be
[INFO] [stdout]   18:     0x557bcf40f0b3 - core::ops::function::FnOnce::call_once::ha451af22024e1864
[INFO] [stdout]   19:     0x557bcf40e1f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::hefd8e56bf97a4afd
[INFO] [stdout]   20:     0x557bcf40e8d9 - std::rt::lang_start::{{closure}}::hee13be5f96bd7848
[INFO] [stdout]   21:     0x557bcf436247 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h194d6aa01fb6b594
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   22:     0x557bcf436247 - std::panicking::try::do_call::h4ef477456776cccb
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40
[INFO] [stdout]   23:     0x557bcf436247 - std::panicking::try::h7f2121b6bb3bbca4
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19
[INFO] [stdout]   24:     0x557bcf436247 - std::panic::catch_unwind::he974d0ca04309948
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14
[INFO] [stdout]   25:     0x557bcf436247 - std::rt::lang_start_internal::h36e9e78490120b9f
[INFO] [stdout]                                at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25
[INFO] [stdout]   26:     0x557bcf40e8b8 - std::rt::lang_start::h290408a3f91c6d5a
[INFO] [stdout]   27:     0x557bcf41b02b - main
[INFO] [stdout]   28:     0x7f08243d10b3 - __libc_start_main
[INFO] [stdout]   29:     0x557bcf40e0ae - _start
[INFO] [stdout]   30:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ea4ebb1591770cf624678c9cdfb93351e8156bbc507e0e0a3f555c56dec90fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ea4ebb1591770cf624678c9cdfb93351e8156bbc507e0e0a3f555c56dec90fd", kill_on_drop: false }`
[INFO] [stdout] 1ea4ebb1591770cf624678c9cdfb93351e8156bbc507e0e0a3f555c56dec90fd