[INFO] crate from_variants 0.4.0 is already in cache
[INFO] extracting crate from_variants 0.4.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/from_variants/0.4.0
[INFO] extracting crate from_variants 0.4.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/from_variants/0.4.0
[INFO] validating manifest of from_variants-0.4.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of from_variants-0.4.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing from_variants-0.4.0
[INFO] finished frobbing from_variants-0.4.0
[INFO] frobbed toml for from_variants-0.4.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/from_variants/0.4.0/Cargo.toml
[INFO] started frobbing from_variants-0.4.0
[INFO] finished frobbing from_variants-0.4.0
[INFO] frobbed toml for from_variants-0.4.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/from_variants/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing from_variants-0.4.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/from_variants/0.4.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d6f156f13803070f3e5835c09693ff7446a1611bc419977521fb4459b5d04a29
[INFO] running `"docker" "start" "-a" "d6f156f13803070f3e5835c09693ff7446a1611bc419977521fb4459b5d04a29"`
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.5.0
[INFO] [stderr]    Compiling darling v0.5.0
[INFO] [stderr]    Compiling from_variants_impl v0.4.0
[INFO] [stderr]    Compiling from_variants v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.19s
[INFO] running `"docker" "inspect" "d6f156f13803070f3e5835c09693ff7446a1611bc419977521fb4459b5d04a29"`
[INFO] running `"docker" "rm" "-f" "d6f156f13803070f3e5835c09693ff7446a1611bc419977521fb4459b5d04a29"`
[INFO] [stdout] d6f156f13803070f3e5835c09693ff7446a1611bc419977521fb4459b5d04a29
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/from_variants/0.4.0:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3a69cd0aadca3b30666be9cecb9f7000a8dc27621c4c6c0be43210ef4c94d1e9
[INFO] running `"docker" "start" "-a" "3a69cd0aadca3b30666be9cecb9f7000a8dc27621c4c6c0be43210ef4c94d1e9"`
[INFO] [stderr]    Compiling from_variants v0.4.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `"docker" "inspect" "3a69cd0aadca3b30666be9cecb9f7000a8dc27621c4c6c0be43210ef4c94d1e9"`
[INFO] running `"docker" "rm" "-f" "3a69cd0aadca3b30666be9cecb9f7000a8dc27621c4c6c0be43210ef4c94d1e9"`
[INFO] [stdout] 3a69cd0aadca3b30666be9cecb9f7000a8dc27621c4c6c0be43210ef4c94d1e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/from_variants/0.4.0:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 05740f7ea46ab42b35a8913ac5f4c6b6e16fab77ca393eb40f461d2cc5e572e3
[INFO] running `"docker" "start" "-a" "05740f7ea46ab42b35a8913ac5f4c6b6e16fab77ca393eb40f461d2cc5e572e3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/from_variants-d6a916e34075d4d3
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/e2e-2ea31db3c9e905d3
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test from_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/no_std-ce0ebeabc5fcd236
[INFO] [stderr]    Doc-tests from_variants
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test from_i32 ... ok
[INFO] [stdout] test from_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 7) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "05740f7ea46ab42b35a8913ac5f4c6b6e16fab77ca393eb40f461d2cc5e572e3"`
[INFO] running `"docker" "rm" "-f" "05740f7ea46ab42b35a8913ac5f4c6b6e16fab77ca393eb40f461d2cc5e572e3"`
[INFO] [stdout] 05740f7ea46ab42b35a8913ac5f4c6b6e16fab77ca393eb40f461d2cc5e572e3