[INFO] updating cached repository imondrag/toy_os
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/imondrag/toy_os
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/imondrag/toy_os" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/imondrag/toy_os"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/imondrag/toy_os'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/imondrag/toy_os" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/imondrag/toy_os"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/imondrag/toy_os'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc4adeccd97693ef416bb3f9d21d985eca4d277a
[INFO] sha for GitHub repo imondrag/toy_os: cc4adeccd97693ef416bb3f9d21d985eca4d277a
[INFO] validating manifest of imondrag/toy_os on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of imondrag/toy_os on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing imondrag/toy_os
[INFO] finished frobbing imondrag/toy_os
[INFO] frobbed toml for imondrag/toy_os written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/imondrag/toy_os/Cargo.toml
[INFO] started frobbing imondrag/toy_os
[INFO] finished frobbing imondrag/toy_os
[INFO] frobbed toml for imondrag/toy_os written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/imondrag/toy_os/Cargo.toml
[INFO] crate imondrag/toy_os has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking imondrag/toy_os against master#f66e4697ae286985ddefc53c3a047614568458bb for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-3/master#f66e4697ae286985ddefc53c3a047614568458bb:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/imondrag/toy_os:/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=forbid" "-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" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e982cb0bd02416d0f9ce36fb2dfe574f02b07c978f71e95f7ca119b7ec581127
[INFO] running `"docker" "start" "-a" "e982cb0bd02416d0f9ce36fb2dfe574f02b07c978f71e95f7ca119b7ec581127"`
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking bit_field v0.9.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking ux v0.1.3
[INFO] [stderr]     Checking usize_conversions v0.2.0
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking font8x8 v0.2.4
[INFO] [stderr]     Checking cpuio v0.2.0
[INFO] [stderr]     Checking pc-keyboard v0.3.1
[INFO] [stderr]     Checking volatile v0.2.5
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking pic8259_simple v0.1.1
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]     Checking x86_64 v0.2.14
[INFO] [stderr]     Checking x86_64 v0.3.4
[INFO] [stderr]     Checking uart_16550 v0.1.0
[INFO] [stderr]     Checking bootloader v0.3.11
[INFO] [stderr]     Checking toy_os v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `io`
[INFO] [stderr]  --> src/lib.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub mod io;
[INFO] [stderr]   |         ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either io.rs or io/mod.rs inside the directory "src"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `toy_os`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e982cb0bd02416d0f9ce36fb2dfe574f02b07c978f71e95f7ca119b7ec581127"`
[INFO] running `"docker" "rm" "-f" "e982cb0bd02416d0f9ce36fb2dfe574f02b07c978f71e95f7ca119b7ec581127"`
[INFO] [stdout] e982cb0bd02416d0f9ce36fb2dfe574f02b07c978f71e95f7ca119b7ec581127