[INFO] crate concur 0.1.4 is already in cache
[INFO] extracting crate concur 0.1.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/concur/0.1.4
[INFO] extracting crate concur 0.1.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concur/0.1.4
[INFO] validating manifest of concur-0.1.4 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 concur-0.1.4 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 concur-0.1.4
[INFO] finished frobbing concur-0.1.4
[INFO] frobbed toml for concur-0.1.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/concur/0.1.4/Cargo.toml
[INFO] started frobbing concur-0.1.4
[INFO] finished frobbing concur-0.1.4
[INFO] frobbed toml for concur-0.1.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concur/0.1.4/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing concur-0.1.4 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concur/0.1.4:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fdf89942640c9bd4574c87061897bd7b566c3c55a4cdbce9956b994e9e76e843
[INFO] running `"docker" "start" "-a" "fdf89942640c9bd4574c87061897bd7b566c3c55a4cdbce9956b994e9e76e843"`
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling concur v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.64s
[INFO] running `"docker" "inspect" "fdf89942640c9bd4574c87061897bd7b566c3c55a4cdbce9956b994e9e76e843"`
[INFO] running `"docker" "rm" "-f" "fdf89942640c9bd4574c87061897bd7b566c3c55a4cdbce9956b994e9e76e843"`
[INFO] [stdout] fdf89942640c9bd4574c87061897bd7b566c3c55a4cdbce9956b994e9e76e843
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concur/0.1.4:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 91592a033ab31229a77f9bb2238ec31a99b6a10ad27b256a616bb4b70880371d
[INFO] running `"docker" "start" "-a" "91592a033ab31229a77f9bb2238ec31a99b6a10ad27b256a616bb4b70880371d"`
[INFO] [stderr]    Compiling concur v0.1.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "91592a033ab31229a77f9bb2238ec31a99b6a10ad27b256a616bb4b70880371d"`
[INFO] running `"docker" "rm" "-f" "91592a033ab31229a77f9bb2238ec31a99b6a10ad27b256a616bb4b70880371d"`
[INFO] [stdout] 91592a033ab31229a77f9bb2238ec31a99b6a10ad27b256a616bb4b70880371d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/concur/0.1.4:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] d2f22724363ae6f45e477ce25449aec7c6b6f7f564edfcaa65dc14b5c0f89db5
[INFO] running `"docker" "start" "-a" "d2f22724363ae6f45e477ce25449aec7c6b6f7f564edfcaa65dc14b5c0f89db5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/concur-86f14b898bc185fe
[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" "d2f22724363ae6f45e477ce25449aec7c6b6f7f564edfcaa65dc14b5c0f89db5"`
[INFO] running `"docker" "rm" "-f" "d2f22724363ae6f45e477ce25449aec7c6b6f7f564edfcaa65dc14b5c0f89db5"`
[INFO] [stdout] d2f22724363ae6f45e477ce25449aec7c6b6f7f564edfcaa65dc14b5c0f89db5