[INFO] crate smelter 0.0.2 is already in cache
[INFO] extracting crate smelter 0.0.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/smelter/0.0.2
[INFO] extracting crate smelter 0.0.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/smelter/0.0.2
[INFO] validating manifest of smelter-0.0.2 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 smelter-0.0.2 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 smelter-0.0.2
[INFO] finished frobbing smelter-0.0.2
[INFO] frobbed toml for smelter-0.0.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/smelter/0.0.2/Cargo.toml
[INFO] started frobbing smelter-0.0.2
[INFO] finished frobbing smelter-0.0.2
[INFO] frobbed toml for smelter-0.0.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/smelter/0.0.2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing smelter-0.0.2 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-3/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/smelter/0.0.2:/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] ac5e39bdf3f0c5804cef403c6fd4722f0f8cc13658addf8fa4977281ef7da015
[INFO] running `"docker" "start" "-a" "ac5e39bdf3f0c5804cef403c6fd4722f0f8cc13658addf8fa4977281ef7da015"`
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling smelter v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `"docker" "inspect" "ac5e39bdf3f0c5804cef403c6fd4722f0f8cc13658addf8fa4977281ef7da015"`
[INFO] running `"docker" "rm" "-f" "ac5e39bdf3f0c5804cef403c6fd4722f0f8cc13658addf8fa4977281ef7da015"`
[INFO] [stdout] ac5e39bdf3f0c5804cef403c6fd4722f0f8cc13658addf8fa4977281ef7da015
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/smelter/0.0.2:/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] 4952102b5dce0ff577d65d5159f93285fb79eb95be510e58e60c967c253c8eab
[INFO] running `"docker" "start" "-a" "4952102b5dce0ff577d65d5159f93285fb79eb95be510e58e60c967c253c8eab"`
[INFO] [stderr]    Compiling smelter v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `"docker" "inspect" "4952102b5dce0ff577d65d5159f93285fb79eb95be510e58e60c967c253c8eab"`
[INFO] running `"docker" "rm" "-f" "4952102b5dce0ff577d65d5159f93285fb79eb95be510e58e60c967c253c8eab"`
[INFO] [stdout] 4952102b5dce0ff577d65d5159f93285fb79eb95be510e58e60c967c253c8eab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/smelter/0.0.2:/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] cb18ca9a258ef62d015c13e5309f4f25c166e6eed9fa5d471e6fc0f1feb6533a
[INFO] running `"docker" "start" "-a" "cb18ca9a258ef62d015c13e5309f4f25c166e6eed9fa5d471e6fc0f1feb6533a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smelter-0aa6c1a8a43a1026
[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/test-d36a886dab6a62e6
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test can_generate_builder_methods ... ok
[INFO] [stdout] test can_generate_container_with_prefix ... ok
[INFO] [stdout] test can_generate_generic_builder_methods ... ok
[INFO] [stdout] test can_derive_collection ... ok
[INFO] [stdout] test public_fields_work ... ok
[INFO] [stdout] test can_generate_mutable_methods ... ok
[INFO] [stdout] test with_lifetime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smelter
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs -  (line 127) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 138) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 163) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 173) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 22) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 39) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 51) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 61) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 8) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 88) ... ignored
[INFO] [stdout] test src/lib.rs -  (line 99) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 11 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cb18ca9a258ef62d015c13e5309f4f25c166e6eed9fa5d471e6fc0f1feb6533a"`
[INFO] running `"docker" "rm" "-f" "cb18ca9a258ef62d015c13e5309f4f25c166e6eed9fa5d471e6fc0f1feb6533a"`
[INFO] [stdout] cb18ca9a258ef62d015c13e5309f4f25c166e6eed9fa5d471e6fc0f1feb6533a