[INFO] updating cached repository Morichan/a_to_z_of_programming_language
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Morichan/a_to_z_of_programming_language
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Morichan/a_to_z_of_programming_language" "work/ex/beta-1.38-1/sources/1.37.0/gh/Morichan/a_to_z_of_programming_language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Morichan/a_to_z_of_programming_language'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Morichan/a_to_z_of_programming_language" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Morichan/a_to_z_of_programming_language"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Morichan/a_to_z_of_programming_language'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f08e5c0c7583ef5aa290036f98f546d9480ca96
[INFO] sha for GitHub repo Morichan/a_to_z_of_programming_language: 3f08e5c0c7583ef5aa290036f98f546d9480ca96
[INFO] validating manifest of Morichan/a_to_z_of_programming_language 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 Morichan/a_to_z_of_programming_language 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 Morichan/a_to_z_of_programming_language
[INFO] finished frobbing Morichan/a_to_z_of_programming_language
[INFO] frobbed toml for Morichan/a_to_z_of_programming_language written to work/ex/beta-1.38-1/sources/1.37.0/gh/Morichan/a_to_z_of_programming_language/Cargo.toml
[INFO] started frobbing Morichan/a_to_z_of_programming_language
[INFO] finished frobbing Morichan/a_to_z_of_programming_language
[INFO] frobbed toml for Morichan/a_to_z_of_programming_language written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Morichan/a_to_z_of_programming_language/Cargo.toml
[INFO] crate Morichan/a_to_z_of_programming_language already has a lockfile, it will not be regenerated
[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 Morichan/a_to_z_of_programming_language 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Morichan/a_to_z_of_programming_language:/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] 0ae1fcf52c2cb274fe2b285c5f2c959b9d684307bde9f7aa58e251fdfe6974a8
[INFO] running `"docker" "start" "-a" "0ae1fcf52c2cb274fe2b285c5f2c959b9d684307bde9f7aa58e251fdfe6974a8"`
[INFO] [stderr]    Compiling a_to_z_of_programming_language v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "0ae1fcf52c2cb274fe2b285c5f2c959b9d684307bde9f7aa58e251fdfe6974a8"`
[INFO] running `"docker" "rm" "-f" "0ae1fcf52c2cb274fe2b285c5f2c959b9d684307bde9f7aa58e251fdfe6974a8"`
[INFO] [stdout] 0ae1fcf52c2cb274fe2b285c5f2c959b9d684307bde9f7aa58e251fdfe6974a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Morichan/a_to_z_of_programming_language:/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] 4802b98ec896d9e717a18ef3394e24f1850fd7992f8eeece55a6905e71d9fa83
[INFO] running `"docker" "start" "-a" "4802b98ec896d9e717a18ef3394e24f1850fd7992f8eeece55a6905e71d9fa83"`
[INFO] [stderr]    Compiling a_to_z_of_programming_language v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "4802b98ec896d9e717a18ef3394e24f1850fd7992f8eeece55a6905e71d9fa83"`
[INFO] running `"docker" "rm" "-f" "4802b98ec896d9e717a18ef3394e24f1850fd7992f8eeece55a6905e71d9fa83"`
[INFO] [stdout] 4802b98ec896d9e717a18ef3394e24f1850fd7992f8eeece55a6905e71d9fa83
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Morichan/a_to_z_of_programming_language:/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] 791c94219a1b2d072118094a5746b7198474eab8111b3e80362f89284bcbb67a
[INFO] running `"docker" "start" "-a" "791c94219a1b2d072118094a5746b7198474eab8111b3e80362f89284bcbb67a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/a_to_z_of_programming_language-58206a4f4ae3708a
[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/a_to_z_of_programming_language-914e19fa9cd87bb7
[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/node-cf7da5a05d66eae5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::checked_id_when_node_was_set_id ... ok
[INFO] [stdout] test tests::checked_point_when_node_was_set_point ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a_to_z_of_programming_language
[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" "791c94219a1b2d072118094a5746b7198474eab8111b3e80362f89284bcbb67a"`
[INFO] running `"docker" "rm" "-f" "791c94219a1b2d072118094a5746b7198474eab8111b3e80362f89284bcbb67a"`
[INFO] [stdout] 791c94219a1b2d072118094a5746b7198474eab8111b3e80362f89284bcbb67a