[INFO] cloning repository https://github.com/singalen/rlua_json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/singalen/rlua_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Frlua_json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Frlua_json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d333087d6cafe79899954c06e15b517cf9a0e16
[INFO] testing singalen/rlua_json against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingalen%2Frlua_json" "/workspace/builds/worker-72/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-72/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/singalen/rlua_json on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/singalen/rlua_json
[INFO] finished tweaking git repo https://github.com/singalen/rlua_json
[INFO] tweaked toml for git repo https://github.com/singalen/rlua_json written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate git repo https://github.com/singalen/rlua_json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rlua v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2853b3773551932e85a843940cce6a97dc6cce1a98245002890574ee42f9f9ba
[INFO] running `Command { std: "docker" "start" "-a" "2853b3773551932e85a843940cce6a97dc6cce1a98245002890574ee42f9f9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2853b3773551932e85a843940cce6a97dc6cce1a98245002890574ee42f9f9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2853b3773551932e85a843940cce6a97dc6cce1a98245002890574ee42f9f9ba", kill_on_drop: false }`
[INFO] [stdout] 2853b3773551932e85a843940cce6a97dc6cce1a98245002890574ee42f9f9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e0ef59509c1b3cdd173add5204342b49de268d488c9e5a667df849098d997d0
[INFO] running `Command { std: "docker" "start" "-a" "0e0ef59509c1b3cdd173add5204342b49de268d488c9e5a667df849098d997d0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling libc v0.2.106
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling rlua_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.21s
[INFO] running `Command { std: "docker" "inspect" "0e0ef59509c1b3cdd173add5204342b49de268d488c9e5a667df849098d997d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0ef59509c1b3cdd173add5204342b49de268d488c9e5a667df849098d997d0", kill_on_drop: false }`
[INFO] [stdout] 0e0ef59509c1b3cdd173add5204342b49de268d488c9e5a667df849098d997d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 287d5102ca4923fec688908208af01fe01d373cb67ac073bb0d79f7fd20a38fa
[INFO] running `Command { std: "docker" "start" "-a" "287d5102ca4923fec688908208af01fe01d373cb67ac073bb0d79f7fd20a38fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rlua_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "287d5102ca4923fec688908208af01fe01d373cb67ac073bb0d79f7fd20a38fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287d5102ca4923fec688908208af01fe01d373cb67ac073bb0d79f7fd20a38fa", kill_on_drop: false }`
[INFO] [stdout] 287d5102ca4923fec688908208af01fe01d373cb67ac073bb0d79f7fd20a38fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 847ca672e41bac3d448c861cee96b40e09dbe02f221f5877c88a1ce1df02bc73
[INFO] running `Command { std: "docker" "start" "-a" "847ca672e41bac3d448c861cee96b40e09dbe02f221f5877c88a1ce1df02bc73", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rlua_json-a5c3391f860bf3f9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::object_string_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlua_json
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "847ca672e41bac3d448c861cee96b40e09dbe02f221f5877c88a1ce1df02bc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "847ca672e41bac3d448c861cee96b40e09dbe02f221f5877c88a1ce1df02bc73", kill_on_drop: false }`
[INFO] [stdout] 847ca672e41bac3d448c861cee96b40e09dbe02f221f5877c88a1ce1df02bc73