[INFO] updating cached repository nrc/stupid-stats [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/nrc/stupid-stats [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/nrc/stupid-stats" "work/ex/beta-1.38-1/sources/1.37.0/gh/nrc/stupid-stats"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/nrc/stupid-stats'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/nrc/stupid-stats" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrc/stupid-stats"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrc/stupid-stats'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 692c005fb765b99aaf6bb66850f03665952920e0 [INFO] sha for GitHub repo nrc/stupid-stats: 692c005fb765b99aaf6bb66850f03665952920e0 [INFO] validating manifest of nrc/stupid-stats 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 nrc/stupid-stats 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 nrc/stupid-stats [INFO] finished frobbing nrc/stupid-stats [INFO] frobbed toml for nrc/stupid-stats written to work/ex/beta-1.38-1/sources/1.37.0/gh/nrc/stupid-stats/Cargo.toml [INFO] started frobbing nrc/stupid-stats [INFO] finished frobbing nrc/stupid-stats [INFO] frobbed toml for nrc/stupid-stats written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/nrc/stupid-stats/Cargo.toml [INFO] crate nrc/stupid-stats 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] Blocking waiting for file lock on package cache [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 nrc/stupid-stats 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/gh/nrc/stupid-stats:/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] 7cd4632bce65b5a4fbda09b070e0e0957f7b5a913ca187fc5f4b6501b2770a61 [INFO] running `"docker" "start" "-a" "7cd4632bce65b5a4fbda09b070e0e0957f7b5a913ca187fc5f4b6501b2770a61"` [INFO] [stderr] Compiling stupid-stats v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0432]: unresolved imports `rustc_driver::driver`, `rustc_driver::CompilerCalls` [INFO] [stderr] --> src/mod.rs:23:20 [INFO] [stderr] | [INFO] [stderr] 23 | use rustc_driver::{driver, Compilation, CompilerCalls, RustcDefaultCalls}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^ no `CompilerCalls` in the root [INFO] [stderr] | | [INFO] [stderr] | no `driver` in the root [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `run` in crate `rustc_driver` [INFO] [stderr] --> src/mod.rs:234:19 [INFO] [stderr] | [INFO] [stderr] 234 | rustc_driver::run(|| { [INFO] [stderr] | ^^^ not found in `rustc_driver` [INFO] [stderr] help: possible candidate is found in another module, you can import it into scope [INFO] [stderr] | [INFO] [stderr] 20 | use syntax::show_span::run; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/mod.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(box_syntax)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/mod.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | #![feature(extern_crate_item_prelude)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/mod.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | #![feature(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/mod.rs:67:13 [INFO] [stderr] | [INFO] [stderr] 67 | t: &CodegenBackend, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: use `dyn`: `dyn CodegenBackend` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: Could not compile `stupid-stats`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "7cd4632bce65b5a4fbda09b070e0e0957f7b5a913ca187fc5f4b6501b2770a61"` [INFO] running `"docker" "rm" "-f" "7cd4632bce65b5a4fbda09b070e0e0957f7b5a913ca187fc5f4b6501b2770a61"` [INFO] [stdout] 7cd4632bce65b5a4fbda09b070e0e0957f7b5a913ca187fc5f4b6501b2770a61