[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-1.38-1/sources/1.37.0/reg/cortex-m-semihosting/0.3.3 [INFO] extracting crate cortex-m-semihosting 0.3.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cortex-m-semihosting/0.3.3 [INFO] validating manifest of cortex-m-semihosting-0.3.3 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cortex-m-semihosting-0.3.3 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/reg/cortex-m-semihosting/0.3.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing cortex-m-semihosting-0.3.3 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 062ea76947290e00d20c824be79c77ed57b452bc58bdfd3afe907dc1d61df4d6 [INFO] running `"docker" "start" "-a" "062ea76947290e00d20c824be79c77ed57b452bc58bdfd3afe907dc1d61df4d6"` [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling vcell v0.1.0 [INFO] [stderr] Compiling cortex-m-semihosting v0.3.3 (/opt/crater/workdir) [INFO] [stderr] Compiling cortex-m v0.6.1 [INFO] [stderr] Compiling bare-metal v0.2.4 [INFO] [stderr] Compiling volatile-register v0.2.0 [INFO] [stderr] Compiling as-slice v0.1.0 [INFO] [stderr] Compiling aligned v0.3.1 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.08s [INFO] running `"docker" "inspect" "062ea76947290e00d20c824be79c77ed57b452bc58bdfd3afe907dc1d61df4d6"` [INFO] running `"docker" "rm" "-f" "062ea76947290e00d20c824be79c77ed57b452bc58bdfd3afe907dc1d61df4d6"` [INFO] [stdout] 062ea76947290e00d20c824be79c77ed57b452bc58bdfd3afe907dc1d61df4d6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 766d6340b315fc735e2a7cb5958ca4ccc1b9d3c856a29160bdc5799bb6a83d83 [INFO] running `"docker" "start" "-a" "766d6340b315fc735e2a7cb5958ca4ccc1b9d3c856a29160bdc5799bb6a83d83"` [INFO] [stderr] Compiling cortex-m-semihosting v0.3.3 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `"docker" "inspect" "766d6340b315fc735e2a7cb5958ca4ccc1b9d3c856a29160bdc5799bb6a83d83"` [INFO] running `"docker" "rm" "-f" "766d6340b315fc735e2a7cb5958ca4ccc1b9d3c856a29160bdc5799bb6a83d83"` [INFO] [stdout] 766d6340b315fc735e2a7cb5958ca4ccc1b9d3c856a29160bdc5799bb6a83d83 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] d8db90926624c9fec6bc641a258d2993c5bf540a48d2d5648593e75d359532db [INFO] running `"docker" "start" "-a" "d8db90926624c9fec6bc641a258d2993c5bf540a48d2d5648593e75d359532db"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/cortex_m_semihosting-127d61ddd9cc173f [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 crate `core`? [INFO] [stdout] --> src/lib.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 6 | use core::fmt::Write; [INFO] [stdout] | ^^^^ maybe a missing 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: 0x55cd2a595ecb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stdout] 1: 0x55cd2a595ecb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x55cd2a595ecb - std::sys_common::backtrace::_print::h24f527b44b6cfc06 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stdout] 3: 0x55cd2a595ecb - std::sys_common::backtrace::print::h712608e4347fd64a [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stdout] 4: 0x55cd2a595ecb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048 [INFO] [stdout] at src/libstd/panicking.rs:200 [INFO] [stdout] 5: 0x55cd2a595ba6 - std::panicking::default_hook::hb29963fb4747e0dd [INFO] [stdout] at src/libstd/panicking.rs:214 [INFO] [stdout] 6: 0x55cd2a59658d - std::panicking::rust_panic_with_hook::hd1236c3083de823a [INFO] [stdout] at src/libstd/panicking.rs:477 [INFO] [stdout] 7: 0x55cd2a596112 - std::panicking::continue_panic_fmt::he38ad41d6304a12c [INFO] [stdout] at src/libstd/panicking.rs:384 [INFO] [stdout] 8: 0x55cd2a595ff6 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:311 [INFO] [stdout] 9: 0x55cd2a5aa26d - core::panicking::panic_fmt::h1bc6de43c92ad80c [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 10: 0x55cd2a5aa1ac - core::panicking::panic::h411fb8ce50d26c19 [INFO] [stdout] at src/libcore/panicking.rs:49 [INFO] [stdout] 11: 0x55cd2a58f736 - cortex_m_semihosting::syscall1::hdf5a672fe0247c52 [INFO] [stdout] at src/lib.rs:187 [INFO] [stdout] 12: 0x55cd2a58f736 - cortex_m_semihosting::debug::report_exception::h3808d2913e3118a8 [INFO] [stdout] at src/debug.rs:96 [INFO] [stdout] 13: 0x55cd2a58f6f3 - cortex_m_semihosting::debug::exit::hed63420790a8cbd9 [INFO] [stdout] at src/debug.rs:75 [INFO] [stdout] 14: 0x55cd2a58f5de - rust_out::main::h1cf9155cb6204ee7 [INFO] [stdout] 15: 0x55cd2a58f663 - std::rt::lang_start::{{closure}}::h00a7ffc4b255461a [INFO] [stdout] 16: 0x55cd2a595fe3 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce [INFO] [stdout] at src/libstd/rt.rs:49 [INFO] [stdout] 17: 0x55cd2a595fe3 - std::panicking::try::do_call::h9d779bc5e27e3284 [INFO] [stdout] at src/libstd/panicking.rs:296 [INFO] [stdout] 18: 0x55cd2a59798a - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:80 [INFO] [stdout] 19: 0x55cd2a596a9d - std::panicking::try::h4af22d9cb0afa351 [INFO] [stdout] at src/libstd/panicking.rs:275 [INFO] [stdout] 20: 0x55cd2a596a9d - std::panic::catch_unwind::hbb68a9ada87bfb97 [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 21: 0x55cd2a596a9d - std::rt::lang_start_internal::hba9e09d74440ce4d [INFO] [stdout] at src/libstd/rt.rs:48 [INFO] [stdout] 22: 0x55cd2a58f648 - std::rt::lang_start::hb393a69b73b35e9d [INFO] [stdout] 23: 0x55cd2a58f60b - main [INFO] [stdout] 24: 0x7f337c4af2e1 - __libc_start_main [INFO] [stdout] 25: 0x55cd2a58f3fa - _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" "d8db90926624c9fec6bc641a258d2993c5bf540a48d2d5648593e75d359532db"` [INFO] running `"docker" "rm" "-f" "d8db90926624c9fec6bc641a258d2993c5bf540a48d2d5648593e75d359532db"` [INFO] [stdout] d8db90926624c9fec6bc641a258d2993c5bf540a48d2d5648593e75d359532db