[INFO] updating cached repository https://github.com/steveklabnik/rust_test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 74f81c2f8717f643e341de8b9e4feeb32f913cfa
[INFO] testing steveklabnik/rust_test against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveklabnik%2Frust_test" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/steveklabnik/rust_test 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 git repo https://github.com/steveklabnik/rust_test
[INFO] finished tweaking git repo https://github.com/steveklabnik/rust_test
[INFO] tweaked toml for git repo https://github.com/steveklabnik/rust_test written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/steveklabnik/rust_test already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] ae0d827724846160eb4ed795021db398fa7d1d7ee02d52e19bcd4a74d6969717
[INFO] running `"docker" "start" "-a" "ae0d827724846160eb4ed795021db398fa7d1d7ee02d52e19bcd4a74d6969717"`
[INFO] [stderr]    Compiling mmap v0.1.1
[INFO] [stderr]    Compiling rust_blink v0.1.0 (/opt/rustwide/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::<u32>().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 0.76s
[INFO] running `"docker" "inspect" "ae0d827724846160eb4ed795021db398fa7d1d7ee02d52e19bcd4a74d6969717"`
[INFO] running `"docker" "rm" "-f" "ae0d827724846160eb4ed795021db398fa7d1d7ee02d52e19bcd4a74d6969717"`
[INFO] [stdout] ae0d827724846160eb4ed795021db398fa7d1d7ee02d52e19bcd4a74d6969717
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 4857adb9d668e9b65bc8fc71d39d1eda85c97105db7887dac4af57e2c4791866
[INFO] running `"docker" "start" "-a" "4857adb9d668e9b65bc8fc71d39d1eda85c97105db7887dac4af57e2c4791866"`
[INFO] [stderr]    Compiling rust_blink v0.1.0 (/opt/rustwide/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::<u32>().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 0.39s
[INFO] running `"docker" "inspect" "4857adb9d668e9b65bc8fc71d39d1eda85c97105db7887dac4af57e2c4791866"`
[INFO] running `"docker" "rm" "-f" "4857adb9d668e9b65bc8fc71d39d1eda85c97105db7887dac4af57e2c4791866"`
[INFO] [stdout] 4857adb9d668e9b65bc8fc71d39d1eda85c97105db7887dac4af57e2c4791866
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 93649ff65fc6c4ee2eedb545b8b1c2dd1eb8fb17489ba910e2b67b73de229665
[INFO] running `"docker" "start" "-a" "93649ff65fc6c4ee2eedb545b8b1c2dd1eb8fb17489ba910e2b67b73de229665"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_blink-79118f15c5cbf883
[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" "93649ff65fc6c4ee2eedb545b8b1c2dd1eb8fb17489ba910e2b67b73de229665"`
[INFO] running `"docker" "rm" "-f" "93649ff65fc6c4ee2eedb545b8b1c2dd1eb8fb17489ba910e2b67b73de229665"`
[INFO] [stdout] 93649ff65fc6c4ee2eedb545b8b1c2dd1eb8fb17489ba910e2b67b73de229665