[INFO] updating cached repository OriginalDecode/rust-learn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/OriginalDecode/rust-learn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/OriginalDecode/rust-learn" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/OriginalDecode/rust-learn"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/OriginalDecode/rust-learn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/OriginalDecode/rust-learn" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/OriginalDecode/rust-learn"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/OriginalDecode/rust-learn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2cbe1cb2e588959dd3429078fb5c56fc1f460fed
[INFO] sha for GitHub repo OriginalDecode/rust-learn: 2cbe1cb2e588959dd3429078fb5c56fc1f460fed
[INFO] validating manifest of OriginalDecode/rust-learn on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of OriginalDecode/rust-learn on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing OriginalDecode/rust-learn
[INFO] finished frobbing OriginalDecode/rust-learn
[INFO] frobbed toml for OriginalDecode/rust-learn written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/OriginalDecode/rust-learn/Cargo.toml
[INFO] started frobbing OriginalDecode/rust-learn
[INFO] finished frobbing OriginalDecode/rust-learn
[INFO] frobbed toml for OriginalDecode/rust-learn written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/OriginalDecode/rust-learn/Cargo.toml
[INFO] crate OriginalDecode/rust-learn already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking OriginalDecode/rust-learn against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/OriginalDecode/rust-learn:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f75799bcf53634b1210debf6b64bbc4d2327abe5b89dfaa0176d003d1afe2519
[INFO] running `"docker" "start" "-a" "f75799bcf53634b1210debf6b64bbc4d2327abe5b89dfaa0176d003d1afe2519"`
[INFO] [stderr]     Checking rust-learn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0464]: multiple matching crates for `lazy_static`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `lazy_static`: /opt/crater/rustup-home/toolchains/0f88167f89fffe321590c5148f21b7d51d44388d-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblazy_static-d2f87c12e0ffb48e.rlib
[INFO] [stderr]           crate `lazy_static`: /opt/crater/rustup-home/toolchains/0f88167f89fffe321590c5148f21b7d51d44388d-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblazy_static-b8b656c62678a3bd.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `lazy_static`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `rust-learn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0464]: multiple matching crates for `lazy_static`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: candidates:
[INFO] [stderr]           crate `lazy_static`: /opt/crater/rustup-home/toolchains/0f88167f89fffe321590c5148f21b7d51d44388d-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblazy_static-d2f87c12e0ffb48e.rlib
[INFO] [stderr]           crate `lazy_static`: /opt/crater/rustup-home/toolchains/0f88167f89fffe321590c5148f21b7d51d44388d-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblazy_static-b8b656c62678a3bd.rlib
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `lazy_static`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | extern crate lazy_static;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0463, E0464.
[INFO] [stderr] For more information about an error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `rust-learn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f75799bcf53634b1210debf6b64bbc4d2327abe5b89dfaa0176d003d1afe2519"`
[INFO] running `"docker" "rm" "-f" "f75799bcf53634b1210debf6b64bbc4d2327abe5b89dfaa0176d003d1afe2519"`
[INFO] [stdout] f75799bcf53634b1210debf6b64bbc4d2327abe5b89dfaa0176d003d1afe2519