[INFO] fetching crate smelter 0.0.2...
[INFO] extracting crate smelter 0.0.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/smelter/0.0.2
[INFO] extracting crate smelter 0.0.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/smelter/0.0.2
[INFO] validating manifest of smelter-0.0.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of smelter-0.0.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "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/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/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/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/smelter/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing smelter-0.0.2 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 95be6f188e46e05b56c39a00906c8ad10e75d98f50dda0cf316155bb41f2a3eb
[INFO] running `"docker" "start" "-a" "95be6f188e46e05b56c39a00906c8ad10e75d98f50dda0cf316155bb41f2a3eb"`
[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 5.74s
[INFO] running `"docker" "inspect" "95be6f188e46e05b56c39a00906c8ad10e75d98f50dda0cf316155bb41f2a3eb"`
[INFO] running `"docker" "rm" "-f" "95be6f188e46e05b56c39a00906c8ad10e75d98f50dda0cf316155bb41f2a3eb"`
[INFO] [stdout] 95be6f188e46e05b56c39a00906c8ad10e75d98f50dda0cf316155bb41f2a3eb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] e1c8a1e8727cd4eb4e8a71c1a7064910079fa6160e722d3e90134de11549fec4
[INFO] running `"docker" "start" "-a" "e1c8a1e8727cd4eb4e8a71c1a7064910079fa6160e722d3e90134de11549fec4"`
[INFO] [stderr]    Compiling smelter v0.0.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `"docker" "inspect" "e1c8a1e8727cd4eb4e8a71c1a7064910079fa6160e722d3e90134de11549fec4"`
[INFO] running `"docker" "rm" "-f" "e1c8a1e8727cd4eb4e8a71c1a7064910079fa6160e722d3e90134de11549fec4"`
[INFO] [stdout] e1c8a1e8727cd4eb4e8a71c1a7064910079fa6160e722d3e90134de11549fec4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 958f3fce1ec314a4f6baa6a6cca0f4e2c1a426e5c4b0ad6ff45ad9c6dfb87ee5
[INFO] running `"docker" "start" "-a" "958f3fce1ec314a4f6baa6a6cca0f4e2c1a426e5c4b0ad6ff45ad9c6dfb87ee5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/smelter-87174ae9d6879a9a
[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-6c9c2d720072b90e
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test can_generate_container_with_prefix ... ok
[INFO] [stdout] test can_generate_mutable_methods ... ok
[INFO] [stdout] test public_fields_work ... ok
[INFO] [stdout] test with_lifetime ... ok
[INFO] [stdout] test can_derive_collection ... ok
[INFO] [stdout] test can_generate_generic_builder_methods ... ok
[INFO] [stdout] test can_generate_builder_methods ... 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 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "958f3fce1ec314a4f6baa6a6cca0f4e2c1a426e5c4b0ad6ff45ad9c6dfb87ee5"`
[INFO] running `"docker" "rm" "-f" "958f3fce1ec314a4f6baa6a6cca0f4e2c1a426e5c4b0ad6ff45ad9c6dfb87ee5"`
[INFO] [stdout] 958f3fce1ec314a4f6baa6a6cca0f4e2c1a426e5c4b0ad6ff45ad9c6dfb87ee5