[INFO] updating cached repository https://github.com/nrc/stupid-stats
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 692c005fb765b99aaf6bb66850f03665952920e0
[INFO] checking nrc/stupid-stats against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fstupid-stats" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nrc/stupid-stats on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/nrc/stupid-stats
[INFO] finished tweaking git repo https://github.com/nrc/stupid-stats
[INFO] tweaked toml for git repo https://github.com/nrc/stupid-stats written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/nrc/stupid-stats already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c773990a0d934f712b761521588ad46b2db8e65ddcf9aec60f303e180c1eabe
[INFO] running `"docker" "start" "-a" "1c773990a0d934f712b761521588ad46b2db8e65ddcf9aec60f303e180c1eabe"`
[INFO] [stderr]     Checking stupid-stats v0.0.1 (/opt/rustwide/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[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[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] 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] 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 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `stupid-stats`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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" "1c773990a0d934f712b761521588ad46b2db8e65ddcf9aec60f303e180c1eabe"`
[INFO] running `"docker" "rm" "-f" "1c773990a0d934f712b761521588ad46b2db8e65ddcf9aec60f303e180c1eabe"`
[INFO] [stdout] 1c773990a0d934f712b761521588ad46b2db8e65ddcf9aec60f303e180c1eabe