[INFO] crate cortex-m-semihosting 0.3.3 is already in cache [INFO] extracting crate cortex-m-semihosting 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/cortex-m-semihosting/0.3.3 [INFO] extracting crate cortex-m-semihosting 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-m-semihosting/0.3.3 [INFO] validating manifest of cortex-m-semihosting-0.3.3 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 cortex-m-semihosting-0.3.3 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 cortex-m-semihosting-0.3.3 [INFO] finished frobbing cortex-m-semihosting-0.3.3 [INFO] frobbed toml for cortex-m-semihosting-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/cortex-m-semihosting/0.3.3/Cargo.toml [INFO] started frobbing cortex-m-semihosting-0.3.3 [INFO] finished frobbing cortex-m-semihosting-0.3.3 [INFO] frobbed toml for cortex-m-semihosting-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-m-semihosting/0.3.3/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 cortex-m-semihosting-0.3.3 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-m-semihosting/0.3.3:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] c23f3b9c877146204fd3544654ad4b9707d786eff47ec469fa9554ecef9cfca4 [INFO] running `"docker" "start" "-a" "c23f3b9c877146204fd3544654ad4b9707d786eff47ec469fa9554ecef9cfca4"` [INFO] [stderr] Compiling cortex-m-semihosting v0.3.3 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `"docker" "inspect" "c23f3b9c877146204fd3544654ad4b9707d786eff47ec469fa9554ecef9cfca4"` [INFO] running `"docker" "rm" "-f" "c23f3b9c877146204fd3544654ad4b9707d786eff47ec469fa9554ecef9cfca4"` [INFO] [stdout] c23f3b9c877146204fd3544654ad4b9707d786eff47ec469fa9554ecef9cfca4 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-m-semihosting/0.3.3:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] c1fb49a8da0371a99a7343f74e9087f1133f69f0313f4bd40c7dd3774a7ebab8 [INFO] running `"docker" "start" "-a" "c1fb49a8da0371a99a7343f74e9087f1133f69f0313f4bd40c7dd3774a7ebab8"` [INFO] [stderr] Compiling cortex-m-semihosting v0.3.3 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `"docker" "inspect" "c1fb49a8da0371a99a7343f74e9087f1133f69f0313f4bd40c7dd3774a7ebab8"` [INFO] running `"docker" "rm" "-f" "c1fb49a8da0371a99a7343f74e9087f1133f69f0313f4bd40c7dd3774a7ebab8"` [INFO] [stdout] c1fb49a8da0371a99a7343f74e9087f1133f69f0313f4bd40c7dd3774a7ebab8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/cortex-m-semihosting/0.3.3:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] e60b8d4c80e5225b871f381818df6b14a3abe15e0940ad8be03a65f095f3baed [INFO] running `"docker" "start" "-a" "e60b8d4c80e5225b871f381818df6b14a3abe15e0940ad8be03a65f095f3baed"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/cortex_m_semihosting-74bf00daeabaf8ea [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] Doc-tests cortex-m-semihosting [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 111) ... FAILED [INFO] [stdout] test src/lib.rs - (line 32) ... FAILED [INFO] [stdout] test src/debug.rs - debug (line 11) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 111) stdout ---- [INFO] [stdout] error: cannot find macro `syscall!` in this scope [INFO] [stdout] --> src/lib.rs:121:22 [INFO] [stdout] | [INFO] [stdout] 12 | let r = unsafe { syscall!(WRITE, STDOUT, MSG.as_ptr(), MSG.len()) }; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 32) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: maybe a missing `extern crate core;`? [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 6 | use core::fmt::Write; [INFO] [stdout] | ^^^^ maybe a missing `extern crate core;`? [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `write_fmt` found for type `cortex_m_semihosting::hio::HStdout` in the current scope [INFO] [stdout] --> src/lib.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 18 | write!(stdout, "{} on embedded is #{}!", language, ranking)?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stdout] help: the following trait is implemented but not in scope, perhaps add a `use` for it: [INFO] [stdout] | [INFO] [stdout] 4 | use std::fmt::Write; [INFO] [stdout] | [INFO] [stdout] help: there is a method with a similar name [INFO] [stdout] | [INFO] [stdout] 2 | $ dst . write_all ( format_args ! ( $ ( $ arg ) * ) ) ) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0433, E0599. [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/debug.rs - debug (line 11) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'not yet implemented', src/lib.rs:187:15 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x555aa4ed111b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x555aa4ed111b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x555aa4ed111b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x555aa4ed111b - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x555aa4ed111b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x555aa4ed0df7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x555aa4ed17e0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x555aa4ed1362 - std::panicking::continue_panic_fmt::h0046167652be99a6 [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x555aa4ed1246 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x555aa4ee52ed - core::panicking::panic_fmt::h8980489a6c4a44cb [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x555aa4ee522c - core::panicking::panic::hedd9888e25456fbe [INFO] [stdout] at src/libcore/panicking.rs:49 [INFO] [stdout] 11: 0x555aa4eca556 - cortex_m_semihosting::syscall1::hebd6ec6e63206ccb [INFO] [stdout] at src/lib.rs:187 [INFO] [stdout] 12: 0x555aa4eca556 - cortex_m_semihosting::debug::report_exception::h8e7548fc89d56012 [INFO] [stdout] at src/debug.rs:96 [INFO] [stdout] 13: 0x555aa4eca50a - cortex_m_semihosting::debug::exit::he51c7b1477415706 [INFO] [stdout] at src/debug.rs:75 [INFO] [stdout] 14: 0x555aa4eca3ce - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 15: 0x555aa4eca463 - std::rt::lang_start::{{closure}}::hcae6cf720578140e [INFO] [stdout] 16: 0x555aa4ed1233 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 17: 0x555aa4ed1233 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 18: 0x555aa4ed29fa - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:82 [INFO] [stdout] 19: 0x555aa4ed1ced - std::panicking::try::he0549d0299de204a [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x555aa4ed1ced - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x555aa4ed1ced - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 22: 0x555aa4eca445 - std::rt::lang_start::hf87e2ef1856a065b [INFO] [stdout] 23: 0x555aa4eca3fb - main [INFO] [stdout] 24: 0x7f425d7532e1 - __libc_start_main [INFO] [stdout] 25: 0x555aa4eca1ea - _start [INFO] [stdout] 26: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/debug.rs - debug (line 11) [INFO] [stdout] src/lib.rs - (line 111) [INFO] [stdout] src/lib.rs - (line 32) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "e60b8d4c80e5225b871f381818df6b14a3abe15e0940ad8be03a65f095f3baed"` [INFO] running `"docker" "rm" "-f" "e60b8d4c80e5225b871f381818df6b14a3abe15e0940ad8be03a65f095f3baed"` [INFO] [stdout] e60b8d4c80e5225b871f381818df6b14a3abe15e0940ad8be03a65f095f3baed