[INFO] updating cached repository https://github.com/masa-suzu/rson
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2e3754c5d2445350340333b94cecf2dfb2f82198
[INFO] testing masa-suzu/rson against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-suzu%2Frson" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masa-suzu/rson on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/masa-suzu/rson
[INFO] finished tweaking git repo https://github.com/masa-suzu/rson
[INFO] tweaked toml for git repo https://github.com/masa-suzu/rson written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/masa-suzu/rson already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] cf1915e54b6dd5e3f6de34ddb951a2d288df9b86f776133ad87ef913cde2de75
[INFO] running `"docker" "start" "-a" "cf1915e54b6dd5e3f6de34ddb951a2d288df9b86f776133ad87ef913cde2de75"`
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling rson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.56s
[INFO] running `"docker" "inspect" "cf1915e54b6dd5e3f6de34ddb951a2d288df9b86f776133ad87ef913cde2de75"`
[INFO] running `"docker" "rm" "-f" "cf1915e54b6dd5e3f6de34ddb951a2d288df9b86f776133ad87ef913cde2de75"`
[INFO] [stdout] cf1915e54b6dd5e3f6de34ddb951a2d288df9b86f776133ad87ef913cde2de75
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2007b5e90c3d62596fa04f79749aa4ecefa0ae8516c165efec0c21ecada021d7
[INFO] running `"docker" "start" "-a" "2007b5e90c3d62596fa04f79749aa4ecefa0ae8516c165efec0c21ecada021d7"`
[INFO] [stderr]    Compiling rson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/ep.rs:84:28
[INFO] [stderr]    |
[INFO] [stderr] 84 |             Ok(Root::Array(a)) => unreachable!(),
[INFO] [stderr]    |                            ^ help: consider prefixing with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "2007b5e90c3d62596fa04f79749aa4ecefa0ae8516c165efec0c21ecada021d7"`
[INFO] running `"docker" "rm" "-f" "2007b5e90c3d62596fa04f79749aa4ecefa0ae8516c165efec0c21ecada021d7"`
[INFO] [stdout] 2007b5e90c3d62596fa04f79749aa4ecefa0ae8516c165efec0c21ecada021d7
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 43ce6530e4673db9868ad21e77e2890cc83183451fb0118e4539975c7678c436
[INFO] running `"docker" "start" "-a" "43ce6530e4673db9868ad21e77e2890cc83183451fb0118e4539975c7678c436"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rson-c3c49c37283f3bac
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test combinator::tests::boolean ... ok
[INFO] [stdout] test combinator::tests::array ... ok
[INFO] [stdout] test combinator::tests::number ... ok
[INFO] [stdout] test combinator::tests::string ... ok
[INFO] [stdout] test combinator::tests::root ... ok
[INFO] [stdout] test json::tests::json_array ... ok
[INFO] [stdout] test json::tests::json_bool ... ok
[INFO] [stdout] test combinator::tests::object ... ok
[INFO] [stdout] test json::tests::json_null ... ok
[INFO] [stdout] test json::tests::json_object ... ok
[INFO] [stdout] test json::tests::json_number ... ok
[INFO] [stdout] test json::tests::json_string ... ok
[INFO] [stdout] test ep::tests::parse_full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rson-e2d9605a640d2273
[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]    Doc-tests rson
[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" "43ce6530e4673db9868ad21e77e2890cc83183451fb0118e4539975c7678c436"`
[INFO] running `"docker" "rm" "-f" "43ce6530e4673db9868ad21e77e2890cc83183451fb0118e4539975c7678c436"`
[INFO] [stdout] 43ce6530e4673db9868ad21e77e2890cc83183451fb0118e4539975c7678c436