[INFO] fetching crate faerie 0.10.1...
[INFO] extracting crate faerie 0.10.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/faerie/0.10.1
[INFO] extracting crate faerie 0.10.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/faerie/0.10.1
[INFO] validating manifest of faerie-0.10.1 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 faerie-0.10.1 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 faerie-0.10.1
[INFO] finished frobbing faerie-0.10.1
[INFO] frobbed toml for faerie-0.10.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/faerie/0.10.1/Cargo.toml
[INFO] started frobbing faerie-0.10.1
[INFO] finished frobbing faerie-0.10.1
[INFO] frobbed toml for faerie-0.10.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/faerie/0.10.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing faerie-0.10.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/faerie/0.10.1:/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=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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b54fdf5dc66a28bce5bb6facfb605868f7500ba6024b3e69d9824f19e3612e39
[INFO] running `"docker" "start" "-a" "b54fdf5dc66a28bce5bb6facfb605868f7500ba6024b3e69d9824f19e3612e39"`
[INFO] [stderr]    Compiling string-interner v0.6.3
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling faerie v0.10.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `"docker" "inspect" "b54fdf5dc66a28bce5bb6facfb605868f7500ba6024b3e69d9824f19e3612e39"`
[INFO] running `"docker" "rm" "-f" "b54fdf5dc66a28bce5bb6facfb605868f7500ba6024b3e69d9824f19e3612e39"`
[INFO] [stdout] b54fdf5dc66a28bce5bb6facfb605868f7500ba6024b3e69d9824f19e3612e39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/faerie/0.10.1:/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=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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bda47682a50110b532fb3b9a8f6098672bc8741d47461c88154a6b0bc58c4dd0
[INFO] running `"docker" "start" "-a" "bda47682a50110b532fb3b9a8f6098672bc8741d47461c88154a6b0bc58c4dd0"`
[INFO] [stderr]    Compiling faerie v0.10.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `"docker" "inspect" "bda47682a50110b532fb3b9a8f6098672bc8741d47461c88154a6b0bc58c4dd0"`
[INFO] running `"docker" "rm" "-f" "bda47682a50110b532fb3b9a8f6098672bc8741d47461c88154a6b0bc58c4dd0"`
[INFO] [stdout] bda47682a50110b532fb3b9a8f6098672bc8741d47461c88154a6b0bc58c4dd0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/faerie/0.10.1:/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=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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] db0dedaa8bf75f8303e44965c3a323c568a15a9fa41576c62f08044a939d24d5
[INFO] running `"docker" "start" "-a" "db0dedaa8bf75f8303e44965c3a323c568a15a9fa41576c62f08044a939d24d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/faerie-cd867c5b50622350
[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/prototype-4cdee723a662f66e
[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/artifact-fb147e946ab7a4fd
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test multiple_different_declarations_are_not_ok ... ok
[INFO] [stdout] test import_declarations_fill_imports_correctly ... ok
[INFO] [stdout] test duplicate_declarations_are_ok ... ok
[INFO] [stdout] test reject_duplicate_definitions ... ok
[INFO] [stdout] test import_declarations_work_with_redeclarations ... ok
[INFO] [stdout] test multiple_different_conflicting_declarations_are_not_ok_and_do_not_overwrite ... ok
[INFO] [stdout] test undefined_symbols ... ok
[INFO] [stdout] test vary_output_formats ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/elf-782220c2c8ab256d
[INFO] [stdout] test import_helper_adds_declaration_only_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test file_name_is_same_as_symbol_name_issue_31 ... ok
[INFO] [stdout] test decl_attributes ... ok
[INFO] [stdout] test link_symbol_pair_panic_issue_30 ... ok
[INFO] [stdout] test extended_symtab_issue_76 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests faerie
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/artifact.rs - artifact::Artifact::define_with_symbols (line 373) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "db0dedaa8bf75f8303e44965c3a323c568a15a9fa41576c62f08044a939d24d5"`
[INFO] running `"docker" "rm" "-f" "db0dedaa8bf75f8303e44965c3a323c568a15a9fa41576c62f08044a939d24d5"`
[INFO] [stdout] db0dedaa8bf75f8303e44965c3a323c568a15a9fa41576c62f08044a939d24d5