[INFO] crate rc-u8-reader 2.0.8 is already in cache
[INFO] extracting crate rc-u8-reader 2.0.8 into work/ex/beta-1.38-1/sources/1.37.0/reg/rc-u8-reader/2.0.8
[INFO] extracting crate rc-u8-reader 2.0.8 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rc-u8-reader/2.0.8
[INFO] validating manifest of rc-u8-reader-2.0.8 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 rc-u8-reader-2.0.8 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 rc-u8-reader-2.0.8
[INFO] finished frobbing rc-u8-reader-2.0.8
[INFO] frobbed toml for rc-u8-reader-2.0.8 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rc-u8-reader/2.0.8/Cargo.toml
[INFO] started frobbing rc-u8-reader-2.0.8
[INFO] finished frobbing rc-u8-reader-2.0.8
[INFO] frobbed toml for rc-u8-reader-2.0.8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rc-u8-reader/2.0.8/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 rc-u8-reader-2.0.8 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-1/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/rc-u8-reader/2.0.8:/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] 4c93f3f647c746c4ea3209912cdc6532cc9941bfea9b422ccefd53f5284ef71f
[INFO] running `"docker" "start" "-a" "4c93f3f647c746c4ea3209912cdc6532cc9941bfea9b422ccefd53f5284ef71f"`
[INFO] [stderr]    Compiling debug-helper v0.3.6
[INFO] [stderr]    Compiling rc-u8-reader v2.0.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "4c93f3f647c746c4ea3209912cdc6532cc9941bfea9b422ccefd53f5284ef71f"`
[INFO] running `"docker" "rm" "-f" "4c93f3f647c746c4ea3209912cdc6532cc9941bfea9b422ccefd53f5284ef71f"`
[INFO] [stdout] 4c93f3f647c746c4ea3209912cdc6532cc9941bfea9b422ccefd53f5284ef71f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/rc-u8-reader/2.0.8:/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] ccb78d74beb2fd6d00c29754b3fefc4ccb5226e12fe8389ff01c55045503cad9
[INFO] running `"docker" "start" "-a" "ccb78d74beb2fd6d00c29754b3fefc4ccb5226e12fe8389ff01c55045503cad9"`
[INFO] [stderr]    Compiling rc-u8-reader v2.0.8 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "ccb78d74beb2fd6d00c29754b3fefc4ccb5226e12fe8389ff01c55045503cad9"`
[INFO] running `"docker" "rm" "-f" "ccb78d74beb2fd6d00c29754b3fefc4ccb5226e12fe8389ff01c55045503cad9"`
[INFO] [stdout] ccb78d74beb2fd6d00c29754b3fefc4ccb5226e12fe8389ff01c55045503cad9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/rc-u8-reader/2.0.8:/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] 9f6cbd67e60c922899b06035abc5ed89f02a001ae4a0cd65e686cacd18bc8ce8
[INFO] running `"docker" "start" "-a" "9f6cbd67e60c922899b06035abc5ed89f02a001ae4a0cd65e686cacd18bc8ce8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rc_u8_reader-9b3899fe364d1926
[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/arc_mutex_u8_reader-d55a29b0e6794964
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arc_u8_reader-b0ae31f6e284d4ac
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rc_refcell_u8_reader-8931e9c6070e0013
[INFO] [stdout] test to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rc_u8_reader-2792987a646c2554
[INFO] [stderr]    Doc-tests rc-u8-reader
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] test src/lib.rs -  (line 73) ... ok
[INFO] [stdout] test src/lib.rs -  (line 30) ... ok
[INFO] [stdout] test src/lib.rs -  (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9f6cbd67e60c922899b06035abc5ed89f02a001ae4a0cd65e686cacd18bc8ce8"`
[INFO] running `"docker" "rm" "-f" "9f6cbd67e60c922899b06035abc5ed89f02a001ae4a0cd65e686cacd18bc8ce8"`
[INFO] [stdout] 9f6cbd67e60c922899b06035abc5ed89f02a001ae4a0cd65e686cacd18bc8ce8