[INFO] crate toolkit 0.1.1 is already in cache [INFO] testing toolkit-0.1.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate toolkit 0.1.1 into work/builds/worker-5/source [INFO] validating manifest of crates.io crate toolkit 0.1.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate toolkit 0.1.1 [INFO] finished tweaking crates.io crate toolkit 0.1.1 [INFO] tweaked toml for crates.io crate toolkit 0.1.1 written to work/builds/worker-5/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] 633d77033659a36e13513618cf58ba0207fa89a7ef96f2b2957cd7cf4b98456f [INFO] running `"docker" "start" "-a" "633d77033659a36e13513618cf58ba0207fa89a7ef96f2b2957cd7cf4b98456f"` [INFO] [stderr] Compiling toolkit v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/number.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `fs`, `io` [INFO] [stderr] --> src/path.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{env, fs, io}; [INFO] [stderr] | ^^ ^^ [INFO] [stderr] [INFO] [stderr] warning: variable `has_negative` is assigned to, but never used [INFO] [stderr] --> src/number.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | let mut has_negative = false; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_has_negative` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `has_negative` is never read [INFO] [stderr] --> src/number.rs:28:7 [INFO] [stderr] | [INFO] [stderr] 28 | has_negative = true; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `"docker" "inspect" "633d77033659a36e13513618cf58ba0207fa89a7ef96f2b2957cd7cf4b98456f"` [INFO] running `"docker" "rm" "-f" "633d77033659a36e13513618cf58ba0207fa89a7ef96f2b2957cd7cf4b98456f"` [INFO] [stdout] 633d77033659a36e13513618cf58ba0207fa89a7ef96f2b2957cd7cf4b98456f [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 1716a7a6d9901ffe51b289ffcd00d6c0fb33fe12957d45d2aec2bc7bae08306a [INFO] running `"docker" "start" "-a" "1716a7a6d9901ffe51b289ffcd00d6c0fb33fe12957d45d2aec2bc7bae08306a"` [INFO] [stderr] Compiling toolkit v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/number.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `fs`, `io` [INFO] [stderr] --> src/path.rs:1:16 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{env, fs, io}; [INFO] [stderr] | ^^ ^^ [INFO] [stderr] [INFO] [stderr] warning: variable `has_negative` is assigned to, but never used [INFO] [stderr] --> src/number.rs:18:11 [INFO] [stderr] | [INFO] [stderr] 18 | let mut has_negative = false; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_has_negative` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `has_negative` is never read [INFO] [stderr] --> src/number.rs:28:7 [INFO] [stderr] | [INFO] [stderr] 28 | has_negative = true; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `"docker" "inspect" "1716a7a6d9901ffe51b289ffcd00d6c0fb33fe12957d45d2aec2bc7bae08306a"` [INFO] running `"docker" "rm" "-f" "1716a7a6d9901ffe51b289ffcd00d6c0fb33fe12957d45d2aec2bc7bae08306a"` [INFO] [stdout] 1716a7a6d9901ffe51b289ffcd00d6c0fb33fe12957d45d2aec2bc7bae08306a [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] b9c11544ae93afa6bff2c53aab0b42d706a1f823f57e17cef03f4dd1a1e63aa0 [INFO] running `"docker" "start" "-a" "b9c11544ae93afa6bff2c53aab0b42d706a1f823f57e17cef03f4dd1a1e63aa0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/toolkit-363eb05aba7335dc [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/rustwide/target/debug/deps/test_fs-8094ff465a6fac9b [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_append ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- test_append stdout ---- [INFO] [stdout] "/opt/rustwide/workdir/_tmp.txt" [INFO] [stdout] thread 'test_append' panicked at 'assertion failed: toolkit::fs::append(&file, "A").is_ok()', tests/test_fs.rs:7:3 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555bad2026d4 - backtrace::backtrace::libunwind::trace::hf625d18232cbbbd4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x555bad2026d4 - backtrace::backtrace::trace_unsynchronized::h41d74150fc6ff542 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x555bad2026d4 - std::sys_common::backtrace::_print_fmt::h85d37830c667a1f9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stdout] 3: 0x555bad2026d4 - ::fmt::h2b7ac01d5feaf9b2 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stdout] 4: 0x555bad21d77c - core::fmt::write::h7fd0d904495c035f [INFO] [stdout] at src/libcore/fmt/mod.rs:1030 [INFO] [stdout] 5: 0x555bad1bd9b5 - std::io::Write::write_fmt::h424452e6ba861394 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/io/mod.rs:1412 [INFO] [stdout] 6: 0x555bad1fe0a1 - std::io::impls::>::write_fmt::h814a51d8ae1dee4a [INFO] [stdout] at src/libstd/io/impls.rs:141 [INFO] [stdout] 7: 0x555bad204be5 - std::sys_common::backtrace::_print::h4c743f7c274a5a74 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stdout] 8: 0x555bad204be5 - std::sys_common::backtrace::print::ha5c4f4bf03800d4d [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x555bad204be5 - std::panicking::default_hook::{{closure}}::h8b842185774c09e6 [INFO] [stdout] at src/libstd/panicking.rs:196 [INFO] [stdout] 10: 0x555bad20486c - std::panicking::default_hook::hd8ec13ee1bc2a65a [INFO] [stdout] at src/libstd/panicking.rs:207 [INFO] [stdout] 11: 0x555bad2052e5 - std::panicking::rust_panic_with_hook::hf3b27166e5f403e7 [INFO] [stdout] at src/libstd/panicking.rs:473 [INFO] [stdout] 12: 0x555bad1b655f - std::panicking::begin_panic::h87a679a0a6cd4b58 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:407 [INFO] [stdout] 13: 0x555bad1bb971 - test_fs::test_append::hc3dac6d621796d3a [INFO] [stdout] at tests/test_fs.rs:7 [INFO] [stdout] 14: 0x555bad1bb7aa - test_fs::test_append::{{closure}}::hc6037aa0ee84d09c [INFO] [stdout] at tests/test_fs.rs:4 [INFO] [stdout] 15: 0x555bad1b5c8e - core::ops::function::FnOnce::call_once::h1241a07cce19a813 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stdout] 16: 0x555bad1c78af - as core::ops::function::FnOnce>::call_once::h8b428e8a43aaf8e9 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 17: 0x555bad207bea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 18: 0x555bad1e20be - std::panicking::try::heccce20d527a3513 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stdout] 19: 0x555bad1e20be - std::panic::catch_unwind::h7fd8f5d3271f1692 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stdout] 20: 0x555bad1e20be - test::run_test::run_test_inner::{{closure}}::h88b46e5c359957e5 [INFO] [stdout] at src/libtest/lib.rs:1413 [INFO] [stdout] 21: 0x555bad1bd125 - std::sys_common::backtrace::__rust_begin_short_backtrace::h00847676c8212941 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/sys_common/backtrace.rs:126 [INFO] [stdout] 22: 0x555bad1c12b5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h5dd37acd2295488e [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:470 [INFO] [stdout] 23: 0x555bad1c12b5 - as core::ops::function::FnOnce<()>>::call_once::h9d32b103da0b97c6 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:315 [INFO] [stdout] 24: 0x555bad1c12b5 - std::panicking::try::do_call::h2bd819a3056c57cd [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:292 [INFO] [stdout] 25: 0x555bad207bea - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 26: 0x555bad1c1862 - std::panicking::try::h243a25457a848a1a [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panicking.rs:271 [INFO] [stdout] 27: 0x555bad1c1862 - std::panic::catch_unwind::h74b81f55e55e757c [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/panic.rs:394 [INFO] [stdout] 28: 0x555bad1c1862 - std::thread::Builder::spawn_unchecked::{{closure}}::h4c2d214a2cffa6cf [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libstd/thread/mod.rs:469 [INFO] [stdout] 29: 0x555bad1c1862 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8a8a187b3fb58e53 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/libcore/ops/function.rs:227 [INFO] [stdout] 30: 0x555bad1faaef - as core::ops::function::FnOnce>::call_once::h3cdef3b7ea22cd61 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 31: 0x555bad207340 - as core::ops::function::FnOnce>::call_once::hc8f25720bf0d5424 [INFO] [stdout] at /rustc/5752b6348ee6971573b278c315a02193c847ee32/src/liballoc/boxed.rs:922 [INFO] [stdout] 32: 0x555bad207340 - std::sys_common::thread::start_thread::h7e8885ccfd5d1932 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] 33: 0x555bad207340 - std::sys::unix::thread::Thread::new::thread_start::h5d24df932d688baf [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 34: 0x7f83589cf6db - start_thread [INFO] [stdout] 35: 0x7f83584e088f - __clone [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] test_append [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 '--test test_fs' [INFO] running `"docker" "inspect" "b9c11544ae93afa6bff2c53aab0b42d706a1f823f57e17cef03f4dd1a1e63aa0"` [INFO] running `"docker" "rm" "-f" "b9c11544ae93afa6bff2c53aab0b42d706a1f823f57e17cef03f4dd1a1e63aa0"` [INFO] [stdout] b9c11544ae93afa6bff2c53aab0b42d706a1f823f57e17cef03f4dd1a1e63aa0