[INFO] updating cached repository michaeldv/rusty_donna
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaeldv/rusty_donna
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaeldv/rusty_donna" "work/ex/beta-1.38-1/sources/1.37.0/gh/michaeldv/rusty_donna"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/michaeldv/rusty_donna'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaeldv/rusty_donna" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaeldv/rusty_donna"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaeldv/rusty_donna'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 495d4ff82d6b8de2e1cc10f03c25f53423d32a2a
[INFO] sha for GitHub repo michaeldv/rusty_donna: 495d4ff82d6b8de2e1cc10f03c25f53423d32a2a
[INFO] validating manifest of michaeldv/rusty_donna 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 michaeldv/rusty_donna 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 michaeldv/rusty_donna
[INFO] finished frobbing michaeldv/rusty_donna
[INFO] frobbed toml for michaeldv/rusty_donna written to work/ex/beta-1.38-1/sources/1.37.0/gh/michaeldv/rusty_donna/Cargo.toml
[INFO] started frobbing michaeldv/rusty_donna
[INFO] finished frobbing michaeldv/rusty_donna
[INFO] frobbed toml for michaeldv/rusty_donna written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/michaeldv/rusty_donna/Cargo.toml
[INFO] crate michaeldv/rusty_donna 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing michaeldv/rusty_donna against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/michaeldv/rusty_donna:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] afdebdc1243d2a59093fd8540b04bc0ec574e03d01bfc45ea1c5ca8c5eaa4f3a
[INFO] running `"docker" "start" "-a" "afdebdc1243d2a59093fd8540b04bc0ec574e03d01bfc45ea1c5ca8c5eaa4f3a"`
[INFO] [stderr]    Compiling rusty_donna v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]    --> src/bitmask.rs:125:26
[INFO] [stderr]     |
[INFO] [stderr] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stderr]     |                          ^^^ invalid suffix `us`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]    --> src/bitmask.rs:125:31
[INFO] [stderr]     |
[INFO] [stderr] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stderr]     |                               ^^^ invalid suffix `us`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]    --> src/bitmask.rs:127:24
[INFO] [stderr]     |
[INFO] [stderr] 127 |             for col in 0us..8us {
[INFO] [stderr]     |                        ^^^ invalid suffix `us`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]    --> src/bitmask.rs:127:29
[INFO] [stderr]     |
[INFO] [stderr] 127 |             for col in 0us..8us {
[INFO] [stderr]     |                             ^^^ invalid suffix `us`
[INFO] [stderr]     |
[INFO] [stderr]     = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stderr]  --> src/init.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::num::SignedInt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0405]: cannot find trait `String` in module `core::fmt`
[INFO] [stderr]    --> src/bitmask.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 | impl core::fmt::String for Bitmask {
[INFO] [stderr]     |                 ^^^^^^ not found in `core::fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]    --> src/bitmask.rs:125:20
[INFO] [stderr]     |
[INFO] [stderr] 125 |         for row in range(0us, 8us).rev() {
[INFO] [stderr]     |                    ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `col`, `row`
[INFO] [stderr]  --> src/init.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 | use utils::{row, col, coordinate};
[INFO] [stderr]   |             ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0405, E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0405`.
[INFO] [stderr] error: Could not compile `rusty_donna`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "afdebdc1243d2a59093fd8540b04bc0ec574e03d01bfc45ea1c5ca8c5eaa4f3a"`
[INFO] running `"docker" "rm" "-f" "afdebdc1243d2a59093fd8540b04bc0ec574e03d01bfc45ea1c5ca8c5eaa4f3a"`
[INFO] [stdout] afdebdc1243d2a59093fd8540b04bc0ec574e03d01bfc45ea1c5ca8c5eaa4f3a