[INFO] crate toolkit 0.1.1 is already in cache [INFO] extracting crate toolkit 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/toolkit/0.1.1 [INFO] extracting crate toolkit 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/toolkit/0.1.1 [INFO] validating manifest of toolkit-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of toolkit-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing toolkit-0.1.1 [INFO] finished frobbing toolkit-0.1.1 [INFO] frobbed toml for toolkit-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/toolkit/0.1.1/Cargo.toml [INFO] started frobbing toolkit-0.1.1 [INFO] finished frobbing toolkit-0.1.1 [INFO] frobbed toml for toolkit-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/toolkit/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing toolkit-0.1.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/toolkit/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 1ad01ceb3836fa14105bc61a41ae4f3924cccb329871d2b85e565001238604c7 [INFO] running `"docker" "start" "-a" "1ad01ceb3836fa14105bc61a41ae4f3924cccb329871d2b85e565001238604c7"` [INFO] [stderr] Compiling toolkit v0.1.1 (/opt/crater/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 0.49s [INFO] running `"docker" "inspect" "1ad01ceb3836fa14105bc61a41ae4f3924cccb329871d2b85e565001238604c7"` [INFO] running `"docker" "rm" "-f" "1ad01ceb3836fa14105bc61a41ae4f3924cccb329871d2b85e565001238604c7"` [INFO] [stdout] 1ad01ceb3836fa14105bc61a41ae4f3924cccb329871d2b85e565001238604c7 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/toolkit/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] d3c0d6a676bf283e43144abae81285ca7f5bbcceb8c27553d91cbb47aa6f3395 [INFO] running `"docker" "start" "-a" "d3c0d6a676bf283e43144abae81285ca7f5bbcceb8c27553d91cbb47aa6f3395"` [INFO] [stderr] Compiling toolkit v0.1.1 (/opt/crater/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 1.54s [INFO] running `"docker" "inspect" "d3c0d6a676bf283e43144abae81285ca7f5bbcceb8c27553d91cbb47aa6f3395"` [INFO] running `"docker" "rm" "-f" "d3c0d6a676bf283e43144abae81285ca7f5bbcceb8c27553d91cbb47aa6f3395"` [INFO] [stdout] d3c0d6a676bf283e43144abae81285ca7f5bbcceb8c27553d91cbb47aa6f3395 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/toolkit/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 78b393f08a0cdd3a8c3693d3dce0ed3dc554cc7b842fe8baaa199eb2d3cc2639 [INFO] running `"docker" "start" "-a" "78b393f08a0cdd3a8c3693d3dce0ed3dc554cc7b842fe8baaa199eb2d3cc2639"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/toolkit-c895d30b75e7372a [INFO] [stderr] Running /opt/crater/target/debug/deps/test_fs-255719d8cef36ddf [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] [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/crater/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: 0x5608ef7bfd63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x5608ef7bb69b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x5608ef7beaa6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x5608ef7be7ce - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x5608ef7bf1af - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x5608ef772b63 - std::panicking::begin_panic::h76406e769756e96c [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stdout] 6: 0x5608ef7727b0 - test_fs::test_append::h9616dfc4a70300d8 [INFO] [stdout] at tests/test_fs.rs:7 [INFO] [stdout] 7: 0x5608ef772609 - test_fs::test_append::{{closure}}::h840d24c477817d99 [INFO] [stdout] at tests/test_fs.rs:4 [INFO] [stdout] 8: 0x5608ef76e8dd - core::ops::function::FnOnce::call_once::h8ff5b952fa77cb1b [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 9: 0x5608ef77fbee - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 10: 0x5608ef7c20d9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 11: 0x5608ef79a4e7 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 12: 0x5608ef774f04 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 13: 0x5608ef778fb4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 14: 0x5608ef7c20d9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x5608ef7795c1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 16: 0x5608ef7b31ce - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 17: 0x5608ef7c17bf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 18: 0x7fbca7f9b4a3 - start_thread [INFO] [stdout] 19: 0x7fbca7ac6d0e - __clone [INFO] [stdout] 20: 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" "78b393f08a0cdd3a8c3693d3dce0ed3dc554cc7b842fe8baaa199eb2d3cc2639"` [INFO] running `"docker" "rm" "-f" "78b393f08a0cdd3a8c3693d3dce0ed3dc554cc7b842fe8baaa199eb2d3cc2639"` [INFO] [stdout] 78b393f08a0cdd3a8c3693d3dce0ed3dc554cc7b842fe8baaa199eb2d3cc2639