[INFO] fetching crate mrt-rs 2.0.1... [INFO] testing mrt-rs-2.0.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate mrt-rs 2.0.1 into /workspace/builds/worker-89/source [INFO] validating manifest of crates.io crate mrt-rs 2.0.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mrt-rs 2.0.1 [INFO] finished tweaking crates.io crate mrt-rs 2.0.1 [INFO] tweaked toml for crates.io crate mrt-rs 2.0.1 written to /workspace/builds/worker-89/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 536e5e9257765e4b5d8439b9f125b2a1094d94b6a96600765494fe9795aabbf2 [INFO] running `Command { std: "docker" "start" "-a" "536e5e9257765e4b5d8439b9f125b2a1094d94b6a96600765494fe9795aabbf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "536e5e9257765e4b5d8439b9f125b2a1094d94b6a96600765494fe9795aabbf2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "536e5e9257765e4b5d8439b9f125b2a1094d94b6a96600765494fe9795aabbf2", kill_on_drop: false }` [INFO] [stdout] 536e5e9257765e4b5d8439b9f125b2a1094d94b6a96600765494fe9795aabbf2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f98abde2898a815bbea245e3596b083f0b9b62bc109340835255556d156b2ba0 [INFO] running `Command { std: "docker" "start" "-a" "f98abde2898a815bbea245e3596b083f0b9b62bc109340835255556d156b2ba0", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling mrt-rs v2.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `Command { std: "docker" "inspect" "f98abde2898a815bbea245e3596b083f0b9b62bc109340835255556d156b2ba0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f98abde2898a815bbea245e3596b083f0b9b62bc109340835255556d156b2ba0", kill_on_drop: false }` [INFO] [stdout] f98abde2898a815bbea245e3596b083f0b9b62bc109340835255556d156b2ba0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7aa4799284341a9dc5b5f8a21a221ebca944b92e6fba3651d83fbced777e1f20 [INFO] running `Command { std: "docker" "start" "-a" "7aa4799284341a9dc5b5f8a21a221ebca944b92e6fba3651d83fbced777e1f20", kill_on_drop: false }` [INFO] [stderr] Compiling mrt-rs v2.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "7aa4799284341a9dc5b5f8a21a221ebca944b92e6fba3651d83fbced777e1f20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7aa4799284341a9dc5b5f8a21a221ebca944b92e6fba3651d83fbced777e1f20", kill_on_drop: false }` [INFO] [stdout] 7aa4799284341a9dc5b5f8a21a221ebca944b92e6fba3651d83fbced777e1f20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6c01e9e5ced4311f47e9da5fc0e304e68612c5dcedbf0df9a98083db1959e785 [INFO] running `Command { std: "docker" "start" "-a" "6c01e9e5ced4311f47e9da5fc0e304e68612c5dcedbf0df9a98083db1959e785", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mrt_rs-9c010c972cef1e62) [INFO] [stdout] [INFO] [stderr] Doc-tests mrt-rs [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 8) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 8) 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:9:51 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55a7255f0b80 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55a7255f0b80 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55a7255f0b80 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55a7255f0b80 - ::fmt::he1640d5f0d93f618 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55a72560a9cc - core::fmt::write::h88012e1f01caeebf [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stdout] 5: 0x55a7255ee3a5 - std::io::Write::write_fmt::h360fa85b30182555 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stdout] 6: 0x55a7255f27bb - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55a7255f27bb - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55a7255f27bb - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55a7255f2291 - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9 [INFO] [stdout] 10: 0x55a7255f2e84 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55a7255f2967 - std::panicking::begin_panic_handler::{{closure}}::h33f9c1b96af300d7 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:519:13 [INFO] [stdout] 12: 0x55a7255f107c - std::sys_common::backtrace::__rust_end_short_backtrace::h51bae64be5921f0e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55a7255f28c9 - rust_begin_unwind [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55a7255befc1 - core::panicking::panic_fmt::h12a3a3c256485fca [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55a7255bf053 - core::result::unwrap_failed::h2d8d0952e3250de9 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/result.rs:1599:5 [INFO] [stdout] 16: 0x55a7255c459a - core::result::Result::unwrap::h6f46d00107b90230 [INFO] [stdout] 17: 0x55a7255dd7e6 - rust_out::main::_doctest_main_src_lib_rs_8_0::ha33fbcb9ed7a01b2 [INFO] [stdout] 18: 0x55a7255dd7a6 - rust_out::main::h61823b600df25383 [INFO] [stdout] 19: 0x55a7255c20e3 - core::ops::function::FnOnce::call_once::h064404ccb42900dd [INFO] [stdout] 20: 0x55a7255c1079 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3a50028bf297fb1f [INFO] [stdout] 21: 0x55a7255c1749 - std::rt::lang_start::{{closure}}::hf6d523a4729f0a25 [INFO] [stdout] 22: 0x55a7255f338a - core::ops::function::impls:: for &F>::call_once::ha9408abe89f69dc4 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 23: 0x55a7255f338a - std::panicking::try::do_call::h5b0cc9e9102acb65 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 24: 0x55a7255f338a - std::panicking::try::hddc7f8229138b3ba [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 25: 0x55a7255f338a - std::panic::catch_unwind::hfa401ff8bab2986e [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 26: 0x55a7255f338a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48 [INFO] [stdout] 27: 0x55a7255f338a - std::panicking::try::do_call::hc742cc7bb4f0fb20 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stdout] 28: 0x55a7255f338a - std::panicking::try::ha37d8d2dd1acf7d3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stdout] 29: 0x55a7255f338a - std::panic::catch_unwind::h8a5381d5ecf437bc [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stdout] 30: 0x55a7255f338a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3 [INFO] [stdout] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20 [INFO] [stdout] 31: 0x55a7255c1721 - std::rt::lang_start::h56740483be3c5e53 [INFO] [stdout] 32: 0x55a7255ddcd3 - main [INFO] [stdout] 33: 0x7fe5ad0ef0b3 - __libc_start_main [INFO] [stdout] 34: 0x55a7255bf71e - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 8) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "6c01e9e5ced4311f47e9da5fc0e304e68612c5dcedbf0df9a98083db1959e785", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c01e9e5ced4311f47e9da5fc0e304e68612c5dcedbf0df9a98083db1959e785", kill_on_drop: false }` [INFO] [stdout] 6c01e9e5ced4311f47e9da5fc0e304e68612c5dcedbf0df9a98083db1959e785