[INFO] crate iter-read 0.2.0 is already in cache
[INFO] extracting crate iter-read 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/iter-read/0.2.0
[INFO] extracting crate iter-read 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iter-read/0.2.0
[INFO] validating manifest of iter-read-0.2.0 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 iter-read-0.2.0 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 iter-read-0.2.0
[INFO] finished frobbing iter-read-0.2.0
[INFO] frobbed toml for iter-read-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/iter-read/0.2.0/Cargo.toml
[INFO] started frobbing iter-read-0.2.0
[INFO] finished frobbing iter-read-0.2.0
[INFO] frobbed toml for iter-read-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/iter-read/0.2.0/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 iter-read-0.2.0 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iter-read/0.2.0:/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] acd96b64cd641536de108cb53dc5936763b27c6e65ef3e1440a6f40da61fe1ac
[INFO] running `"docker" "start" "-a" "acd96b64cd641536de108cb53dc5936763b27c6e65ef3e1440a6f40da61fe1ac"`
[INFO] [stderr]    Compiling iter-read v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "acd96b64cd641536de108cb53dc5936763b27c6e65ef3e1440a6f40da61fe1ac"`
[INFO] running `"docker" "rm" "-f" "acd96b64cd641536de108cb53dc5936763b27c6e65ef3e1440a6f40da61fe1ac"`
[INFO] [stdout] acd96b64cd641536de108cb53dc5936763b27c6e65ef3e1440a6f40da61fe1ac
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iter-read/0.2.0:/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] a3fff73e5f3fc09117a716e7506e53b1ab04821f6864db352bcd02291355c1d3
[INFO] running `"docker" "start" "-a" "a3fff73e5f3fc09117a716e7506e53b1ab04821f6864db352bcd02291355c1d3"`
[INFO] [stderr]    Compiling iter-read v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "a3fff73e5f3fc09117a716e7506e53b1ab04821f6864db352bcd02291355c1d3"`
[INFO] running `"docker" "rm" "-f" "a3fff73e5f3fc09117a716e7506e53b1ab04821f6864db352bcd02291355c1d3"`
[INFO] [stdout] a3fff73e5f3fc09117a716e7506e53b1ab04821f6864db352bcd02291355c1d3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/iter-read/0.2.0:/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] 39f4b00bab1840b13bc66a38e3ffbe9de09d1647a873445390e8afcbccd9121f
[INFO] running `"docker" "start" "-a" "39f4b00bab1840b13bc66a38e3ffbe9de09d1647a873445390e8afcbccd9121f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/iter_read-e7aa791d9d5bb5f3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_slice ... ok
[INFO] [stdout] test tests::test_str ... ok
[INFO] [stdout] test tests::test_u8 ... 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 iter-read
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 13) ... 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" "39f4b00bab1840b13bc66a38e3ffbe9de09d1647a873445390e8afcbccd9121f"`
[INFO] running `"docker" "rm" "-f" "39f4b00bab1840b13bc66a38e3ffbe9de09d1647a873445390e8afcbccd9121f"`
[INFO] [stdout] 39f4b00bab1840b13bc66a38e3ffbe9de09d1647a873445390e8afcbccd9121f