[INFO] updating cached repository steveklabnik/rust_test [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/steveklabnik/rust_test [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/rust_test" "work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/rust_test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/rust_test'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/steveklabnik/rust_test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/rust_test"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/rust_test'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 74f81c2f8717f643e341de8b9e4feeb32f913cfa [INFO] sha for GitHub repo steveklabnik/rust_test: 74f81c2f8717f643e341de8b9e4feeb32f913cfa [INFO] validating manifest of steveklabnik/rust_test 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 steveklabnik/rust_test 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 steveklabnik/rust_test [INFO] finished frobbing steveklabnik/rust_test [INFO] frobbed toml for steveklabnik/rust_test written to work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/rust_test/Cargo.toml [INFO] started frobbing steveklabnik/rust_test [INFO] finished frobbing steveklabnik/rust_test [INFO] frobbed toml for steveklabnik/rust_test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/rust_test/Cargo.toml [INFO] crate steveklabnik/rust_test already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/steveklabnik/rust_test/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml"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] testing steveklabnik/rust_test 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-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/rust_test:/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] 2cfcba07700401557722daee388c83834d490f566c3219a900ea0dc881987865 [INFO] running `"docker" "start" "-a" "2cfcba07700401557722daee388c83834d490f566c3219a900ea0dc881987865"` [INFO] [stderr] Compiling mmap v0.1.1 [INFO] [stderr] Compiling rust_blink v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::ptr` [INFO] [stderr] --> src/fpga_awg.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ptr; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/fpga_awg.rs:3:22 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stderr] | ^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `fpga_awg` should have an upper camel case name [INFO] [stderr] --> src/fpga_awg.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct fpga_awg { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `FpgaAwg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> src/main.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | while (true) { [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | while (true) { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(while_true)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | thread::sleep_ms(arg1.parse::().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/fpga_awg.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fpga_awg.rs:17:7 [INFO] [stderr] | [INFO] [stderr] 17 | let mut f = fs::OpenOptions::new().read(true) [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `mmap` [INFO] [stderr] --> src/fpga_awg.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | mmap: MemoryMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `"docker" "inspect" "2cfcba07700401557722daee388c83834d490f566c3219a900ea0dc881987865"` [INFO] running `"docker" "rm" "-f" "2cfcba07700401557722daee388c83834d490f566c3219a900ea0dc881987865"` [INFO] [stdout] 2cfcba07700401557722daee388c83834d490f566c3219a900ea0dc881987865 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/rust_test:/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] 7df5272d40edc93368bf10ab9a347584cb63ff2fc023c725cb3e7fb2e7088fad [INFO] running `"docker" "start" "-a" "7df5272d40edc93368bf10ab9a347584cb63ff2fc023c725cb3e7fb2e7088fad"` [INFO] [stderr] Compiling rust_blink v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::ptr` [INFO] [stderr] --> src/fpga_awg.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::ptr; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek` [INFO] [stderr] --> src/fpga_awg.rs:3:22 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stderr] | ^^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type `fpga_awg` should have an upper camel case name [INFO] [stderr] --> src/fpga_awg.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct fpga_awg { [INFO] [stderr] | ^^^^^^^^ help: convert the identifier to upper camel case: `FpgaAwg` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> src/main.rs:13:15 [INFO] [stderr] | [INFO] [stderr] 13 | while (true) { [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: denote infinite loops with `loop { ... }` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | while (true) { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `loop` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(while_true)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep` [INFO] [stderr] --> src/main.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | thread::sleep_ms(arg1.parse::().unwrap()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/fpga_awg.rs:3:15 [INFO] [stderr] | [INFO] [stderr] 3 | use std::io::{Write, SeekFrom, Seek}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/fpga_awg.rs:17:7 [INFO] [stderr] | [INFO] [stderr] 17 | let mut f = fs::OpenOptions::new().read(true) [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `mmap` [INFO] [stderr] --> src/fpga_awg.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | mmap: MemoryMap, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `"docker" "inspect" "7df5272d40edc93368bf10ab9a347584cb63ff2fc023c725cb3e7fb2e7088fad"` [INFO] running `"docker" "rm" "-f" "7df5272d40edc93368bf10ab9a347584cb63ff2fc023c725cb3e7fb2e7088fad"` [INFO] [stdout] 7df5272d40edc93368bf10ab9a347584cb63ff2fc023c725cb3e7fb2e7088fad [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/steveklabnik/rust_test:/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] 13cafcf16eb0cf114a0e9bef45e19eacfd48da656b1be6a00e051912567891c6 [INFO] running `"docker" "start" "-a" "13cafcf16eb0cf114a0e9bef45e19eacfd48da656b1be6a00e051912567891c6"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/rust_blink-9f3aa439830ae9e4 [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] running `"docker" "inspect" "13cafcf16eb0cf114a0e9bef45e19eacfd48da656b1be6a00e051912567891c6"` [INFO] running `"docker" "rm" "-f" "13cafcf16eb0cf114a0e9bef45e19eacfd48da656b1be6a00e051912567891c6"` [INFO] [stdout] 13cafcf16eb0cf114a0e9bef45e19eacfd48da656b1be6a00e051912567891c6