[INFO] crate symbolic 6.1.3 is already in cache
[INFO] extracting crate symbolic 6.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic/6.1.3
[INFO] extracting crate symbolic 6.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolic/6.1.3
[INFO] validating manifest of symbolic-6.1.3 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of symbolic-6.1.3 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing symbolic-6.1.3
[INFO] removed 4 missing examples
[INFO] finished frobbing symbolic-6.1.3
[INFO] frobbed toml for symbolic-6.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic/6.1.3/Cargo.toml
[INFO] started frobbing symbolic-6.1.3
[INFO] removed 4 missing examples
[INFO] finished frobbing symbolic-6.1.3
[INFO] frobbed toml for symbolic-6.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/symbolic/6.1.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-unreal v6.1.4
[INFO] [stderr]   Downloaded symbolic-sourcemap v6.1.4
[INFO] [stderr]   Downloaded symbolic-symcache v6.1.4
[INFO] [stderr]   Downloaded symbolic-proguard v6.1.4
[INFO] [stderr]   Downloaded symbolic-minidump v6.1.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing symbolic-6.1.3 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic/6.1.3:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 8fe69d0e6f64003464d1dd26c71a7a3fb26df2227096f62552d5f82a9d63cd84
[INFO] running `"docker" "start" "-a" "8fe69d0e6f64003464d1dd26c71a7a3fb26df2227096f62552d5f82a9d63cd84"`
[INFO] [stderr]    Compiling fallible-iterator v0.1.6
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling dmsort v1.0.0
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]    Compiling debugid v0.5.3
[INFO] [stderr]    Compiling symbolic-common v6.1.4
[INFO] [stderr]    Compiling gimli v0.18.0
[INFO] [stderr]    Compiling goblin v0.0.23
[INFO] [stderr]    Compiling pdb v0.5.0
[INFO] [stderr]    Compiling symbolic-debuginfo v6.1.4
[INFO] [stderr]    Compiling symbolic v6.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.56s
[INFO] running `"docker" "inspect" "8fe69d0e6f64003464d1dd26c71a7a3fb26df2227096f62552d5f82a9d63cd84"`
[INFO] running `"docker" "rm" "-f" "8fe69d0e6f64003464d1dd26c71a7a3fb26df2227096f62552d5f82a9d63cd84"`
[INFO] [stdout] 8fe69d0e6f64003464d1dd26c71a7a3fb26df2227096f62552d5f82a9d63cd84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic/6.1.3:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e27d16cca3cb085f40e5109d0739cccfd7a5bf8f81fca53c9623aec64fc619df
[INFO] running `"docker" "start" "-a" "e27d16cca3cb085f40e5109d0739cccfd7a5bf8f81fca53c9623aec64fc619df"`
[INFO] [stderr]    Compiling symbolic v6.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "e27d16cca3cb085f40e5109d0739cccfd7a5bf8f81fca53c9623aec64fc619df"`
[INFO] running `"docker" "rm" "-f" "e27d16cca3cb085f40e5109d0739cccfd7a5bf8f81fca53c9623aec64fc619df"`
[INFO] [stdout] e27d16cca3cb085f40e5109d0739cccfd7a5bf8f81fca53c9623aec64fc619df
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/symbolic/6.1.3:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0b63bfdcc237ea6c18d69f69be1a7c757dfb37120a14ee9a747e64247c031dad
[INFO] running `"docker" "start" "-a" "0b63bfdcc237ea6c18d69f69be1a7c757dfb37120a14ee9a747e64247c031dad"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/symbolic-82d93e7800ff9ae2
[INFO] [stderr]    Doc-tests symbolic
[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] [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" "0b63bfdcc237ea6c18d69f69be1a7c757dfb37120a14ee9a747e64247c031dad"`
[INFO] running `"docker" "rm" "-f" "0b63bfdcc237ea6c18d69f69be1a7c757dfb37120a14ee9a747e64247c031dad"`
[INFO] [stdout] 0b63bfdcc237ea6c18d69f69be1a7c757dfb37120a14ee9a747e64247c031dad