[INFO] crate classygroup 0.0.1 is already in cache
[INFO] extracting crate classygroup 0.0.1 into work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/classygroup/0.0.1
[INFO] extracting crate classygroup 0.0.1 into work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/classygroup/0.0.1
[INFO] validating manifest of classygroup-0.0.1 on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of classygroup-0.0.1 on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing classygroup-0.0.1
[INFO] finished frobbing classygroup-0.0.1
[INFO] frobbed toml for classygroup-0.0.1 written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/classygroup/0.0.1/Cargo.toml
[INFO] started frobbing classygroup-0.0.1
[INFO] finished frobbing classygroup-0.0.1
[INFO] frobbed toml for classygroup-0.0.1 written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/reg/classygroup/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking classygroup-0.0.1 against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-6/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/reg/classygroup/0.0.1:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 873ff2fa3a9dd36547ecae5453a31134c855706fba19fad4641657ebfedb57e1
[INFO] running `"docker" "start" "-a" "873ff2fa3a9dd36547ecae5453a31134c855706fba19fad4641657ebfedb57e1"`
[INFO] [stderr]    Compiling classygroup v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `classgroup`
[INFO] [stderr]   --> bench/bench.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use classgroup::{gmp_classgroup::GmpClassGroup, ClassGroup};
[INFO] [stderr]    |     ^^^^^^^^^^ use of undeclared type or module `classgroup`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `gmp`
[INFO] [stderr]   --> bench/bench.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use gmp::mpz::Mpz;
[INFO] [stderr]    |     ^^^ use of undeclared type or module `gmp`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `classgroup`
[INFO] [stderr]   --> bench/bench.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use classgroup::{gmp_classgroup::GmpClassGroup, ClassGroup};
[INFO] [stderr]    |     ^^^^^^^^^^ use of undeclared type or module `classgroup`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mpz`
[INFO] [stderr]   --> bench/bench.rs:25:23
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let m_2048 = -Mpz::from_str(
[INFO] [stderr]    |                       ^^^ use of undeclared type or module `Mpz`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `Mpz`
[INFO] [stderr]   --> bench/bench.rs:39:23
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let m_1024 = -Mpz::from_str(
[INFO] [stderr]    |                       ^^^ use of undeclared type or module `Mpz`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `GmpClassGroup`
[INFO] [stderr]   --> bench/bench.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let group_1024 = GmpClassGroup::generator_for_discriminant(m_1024);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ use of undeclared type or module `GmpClassGroup`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: use of undeclared type or module `GmpClassGroup`
[INFO] [stderr]   --> bench/bench.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let group_2048 = GmpClassGroup::generator_for_discriminant(m_2048);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^ use of undeclared type or module `GmpClassGroup`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ClassGroup`, `gmp_classgroup::GmpClassGroup`
[INFO] [stderr]   --> bench/bench.rs:18:18
[INFO] [stderr]    |
[INFO] [stderr] 18 | use classgroup::{gmp_classgroup::GmpClassGroup, ClassGroup};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `gmp::mpz::Mpz`
[INFO] [stderr]   --> bench/bench.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use gmp::mpz::Mpz;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]   --> bench/bench.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::str::FromStr;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors occurred: E0432, E0433.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `classygroup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "873ff2fa3a9dd36547ecae5453a31134c855706fba19fad4641657ebfedb57e1"`
[INFO] running `"docker" "rm" "-f" "873ff2fa3a9dd36547ecae5453a31134c855706fba19fad4641657ebfedb57e1"`
[INFO] [stdout] 873ff2fa3a9dd36547ecae5453a31134c855706fba19fad4641657ebfedb57e1