[INFO] fetching crate combination-err 0.1.1...
[INFO] extracting crate combination-err 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/combination-err/0.1.1
[INFO] extracting crate combination-err 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/combination-err/0.1.1
[INFO] validating manifest of combination-err-0.1.1 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 combination-err-0.1.1 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 combination-err-0.1.1
[INFO] finished frobbing combination-err-0.1.1
[INFO] frobbed toml for combination-err-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/combination-err/0.1.1/Cargo.toml
[INFO] started frobbing combination-err-0.1.1
[INFO] finished frobbing combination-err-0.1.1
[INFO] frobbed toml for combination-err-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/combination-err/0.1.1/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] 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 combination-err-0.1.1 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-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/combination-err/0.1.1:/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] 60494c5c491ade68cc117444eae993797e59b61533cb43fb71561b0bc0a07a16
[INFO] running `"docker" "start" "-a" "60494c5c491ade68cc117444eae993797e59b61533cb43fb71561b0bc0a07a16"`
[INFO] [stderr]    Compiling combination-err v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `"docker" "inspect" "60494c5c491ade68cc117444eae993797e59b61533cb43fb71561b0bc0a07a16"`
[INFO] running `"docker" "rm" "-f" "60494c5c491ade68cc117444eae993797e59b61533cb43fb71561b0bc0a07a16"`
[INFO] [stdout] 60494c5c491ade68cc117444eae993797e59b61533cb43fb71561b0bc0a07a16
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/combination-err/0.1.1:/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] cba6970956c2a57bd2e2c942871673407942b070b159c69054271472aaf2d6a8
[INFO] running `"docker" "start" "-a" "cba6970956c2a57bd2e2c942871673407942b070b159c69054271472aaf2d6a8"`
[INFO] [stderr]    Compiling combination-err v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "cba6970956c2a57bd2e2c942871673407942b070b159c69054271472aaf2d6a8"`
[INFO] running `"docker" "rm" "-f" "cba6970956c2a57bd2e2c942871673407942b070b159c69054271472aaf2d6a8"`
[INFO] [stdout] cba6970956c2a57bd2e2c942871673407942b070b159c69054271472aaf2d6a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/combination-err/0.1.1:/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] 07c45b78146004b39335d20231e4936a774de875bf6c2b561deaf86f7d63e74b
[INFO] running `"docker" "start" "-a" "07c45b78146004b39335d20231e4936a774de875bf6c2b561deaf86f7d63e74b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/combination_err-95b3391b0260e396
[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]    Doc-tests combination-err
[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" "07c45b78146004b39335d20231e4936a774de875bf6c2b561deaf86f7d63e74b"`
[INFO] running `"docker" "rm" "-f" "07c45b78146004b39335d20231e4936a774de875bf6c2b561deaf86f7d63e74b"`
[INFO] [stdout] 07c45b78146004b39335d20231e4936a774de875bf6c2b561deaf86f7d63e74b