[INFO] updating cached repository qultist/tasty-json
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/qultist/tasty-json
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/qultist/tasty-json" "work/ex/beta-1.38-1/sources/1.37.0/gh/qultist/tasty-json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/qultist/tasty-json'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/qultist/tasty-json" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/qultist/tasty-json"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/qultist/tasty-json'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] sha for GitHub repo qultist/tasty-json: 3a66465a66f36313c5bc0968aee0da9b5155294e
[INFO] validating manifest of qultist/tasty-json 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 qultist/tasty-json 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 qultist/tasty-json
[INFO] finished frobbing qultist/tasty-json
[INFO] frobbed toml for qultist/tasty-json written to work/ex/beta-1.38-1/sources/1.37.0/gh/qultist/tasty-json/Cargo.toml
[INFO] started frobbing qultist/tasty-json
[INFO] finished frobbing qultist/tasty-json
[INFO] frobbed toml for qultist/tasty-json written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/qultist/tasty-json/Cargo.toml
[INFO] crate qultist/tasty-json 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 qultist/tasty-json 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/qultist/tasty-json:/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] 0da5f9367fb04e660feed25993fad1ae0ac56fc54779eaf293f55244ab04df62
[INFO] running `"docker" "start" "-a" "0da5f9367fb04e660feed25993fad1ae0ac56fc54779eaf293f55244ab04df62"`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling tasty-json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_f64`
[INFO] [stderr]   --> src/json.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn as_f64(&self) -> Option<f64> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_vec`
[INFO] [stderr]   --> src/json.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     pub fn as_vec(&self) -> Option<Vec<Value>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `as_bool`
[INFO] [stderr]   --> src/json.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn as_bool(&self) -> Option<bool> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.62s
[INFO] running `"docker" "inspect" "0da5f9367fb04e660feed25993fad1ae0ac56fc54779eaf293f55244ab04df62"`
[INFO] running `"docker" "rm" "-f" "0da5f9367fb04e660feed25993fad1ae0ac56fc54779eaf293f55244ab04df62"`
[INFO] [stdout] 0da5f9367fb04e660feed25993fad1ae0ac56fc54779eaf293f55244ab04df62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/qultist/tasty-json:/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] 435f2b831fe7ae69cc25ec944886c5cc1a2e3ec44e000606adf24347642baefa
[INFO] running `"docker" "start" "-a" "435f2b831fe7ae69cc25ec944886c5cc1a2e3ec44e000606adf24347642baefa"`
[INFO] [stderr]    Compiling tasty-json v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "435f2b831fe7ae69cc25ec944886c5cc1a2e3ec44e000606adf24347642baefa"`
[INFO] running `"docker" "rm" "-f" "435f2b831fe7ae69cc25ec944886c5cc1a2e3ec44e000606adf24347642baefa"`
[INFO] [stdout] 435f2b831fe7ae69cc25ec944886c5cc1a2e3ec44e000606adf24347642baefa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/qultist/tasty-json:/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] 6c7b9d7e298272b785ca2ed5bf9da3f1cef8d92bacb4f5eb8ed1fd36de1ba2ec
[INFO] running `"docker" "start" "-a" "6c7b9d7e298272b785ca2ed5bf9da3f1cef8d92bacb4f5eb8ed1fd36de1ba2ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tasty_json-91294d30999b8c68
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test json::tests::test_vec ... ok
[INFO] [stdout] test parsers::tests::parse_literal_true ... ok
[INFO] [stdout] test json::tests::test_string ... ok
[INFO] [stdout] test json::tests::test_float ... ok
[INFO] [stdout] test parsers::tests::parse_array ... ok
[INFO] [stdout] test json::tests::test_bool ... ok
[INFO] [stdout] test json::tests::test_failure ... ok
[INFO] [stdout] test parsers::tests::parse_string ... ok
[INFO] [stdout] test parsers::tests::parse_object ... ok
[INFO] [stdout] test parsers::tests::parse_string_pair ... ok
[INFO] [stdout] test parsers::tests::parse_value ... ok
[INFO] [stdout] test parsers::tests::parse_number ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6c7b9d7e298272b785ca2ed5bf9da3f1cef8d92bacb4f5eb8ed1fd36de1ba2ec"`
[INFO] running `"docker" "rm" "-f" "6c7b9d7e298272b785ca2ed5bf9da3f1cef8d92bacb4f5eb8ed1fd36de1ba2ec"`
[INFO] [stdout] 6c7b9d7e298272b785ca2ed5bf9da3f1cef8d92bacb4f5eb8ed1fd36de1ba2ec