[INFO] updating cached repository ceymard/rust-test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ceymard/rust-test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ceymard/rust-test" "work/ex/beta-1.38-1/sources/1.37.0/gh/ceymard/rust-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ceymard/rust-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ceymard/rust-test" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ceymard/rust-test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ceymard/rust-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b1b4e5212ac9e80185cd6a1267f09b91d3a0b9e2
[INFO] sha for GitHub repo ceymard/rust-test: b1b4e5212ac9e80185cd6a1267f09b91d3a0b9e2
[INFO] validating manifest of ceymard/rust-test 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 ceymard/rust-test 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 ceymard/rust-test
[INFO] finished frobbing ceymard/rust-test
[INFO] frobbed toml for ceymard/rust-test written to work/ex/beta-1.38-1/sources/1.37.0/gh/ceymard/rust-test/Cargo.toml
[INFO] started frobbing ceymard/rust-test
[INFO] finished frobbing ceymard/rust-test
[INFO] frobbed toml for ceymard/rust-test written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ceymard/rust-test/Cargo.toml
[INFO] crate ceymard/rust-test 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 ceymard/rust-test 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ceymard/rust-test:/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] 01de39ebcf07ffea5d33e855ea42be392c57c07cc6a7bb9567cb24dab8e7e18a
[INFO] running `"docker" "start" "-a" "01de39ebcf07ffea5d33e855ea42be392c57c07cc6a7bb9567cb24dab8e7e18a"`
[INFO] [stderr]    Compiling serde v1.0.24
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling zip v0.2.6
[INFO] [stderr]    Compiling quick-xml v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.8
[INFO] [stderr]    Compiling calamine v0.12.1
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `cell_to_json`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn cell_to_json(cell: &DataType) -> std::result::Result<Value, &str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.14s
[INFO] running `"docker" "inspect" "01de39ebcf07ffea5d33e855ea42be392c57c07cc6a7bb9567cb24dab8e7e18a"`
[INFO] running `"docker" "rm" "-f" "01de39ebcf07ffea5d33e855ea42be392c57c07cc6a7bb9567cb24dab8e7e18a"`
[INFO] [stdout] 01de39ebcf07ffea5d33e855ea42be392c57c07cc6a7bb9567cb24dab8e7e18a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ceymard/rust-test:/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] 6151cb1479a2e44a600745a5d6cfeb057c45d7fc834b3dd01ce65c1ff6706d02
[INFO] running `"docker" "start" "-a" "6151cb1479a2e44a600745a5d6cfeb057c45d7fc834b3dd01ce65c1ff6706d02"`
[INFO] [stderr]    Compiling hello v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `cell_to_json`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn cell_to_json(cell: &DataType) -> std::result::Result<Value, &str> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "6151cb1479a2e44a600745a5d6cfeb057c45d7fc834b3dd01ce65c1ff6706d02"`
[INFO] running `"docker" "rm" "-f" "6151cb1479a2e44a600745a5d6cfeb057c45d7fc834b3dd01ce65c1ff6706d02"`
[INFO] [stdout] 6151cb1479a2e44a600745a5d6cfeb057c45d7fc834b3dd01ce65c1ff6706d02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ceymard/rust-test:/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] c8d6d3ba8415784a0f3c64873fe7018d737fb08946e78876174244484115188b
[INFO] running `"docker" "start" "-a" "c8d6d3ba8415784a0f3c64873fe7018d737fb08946e78876174244484115188b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello-331eb18b34f84bd5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test other_test::zobi ... 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" "c8d6d3ba8415784a0f3c64873fe7018d737fb08946e78876174244484115188b"`
[INFO] running `"docker" "rm" "-f" "c8d6d3ba8415784a0f3c64873fe7018d737fb08946e78876174244484115188b"`
[INFO] [stdout] c8d6d3ba8415784a0f3c64873fe7018d737fb08946e78876174244484115188b