[INFO] cloning repository https://github.com/CamJN/jsonqrst
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CamJN/jsonqrst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCamJN%2Fjsonqrst"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCamJN%2Fjsonqrst'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ed5e92701a1cf084896e583da3217d06a413c3a6
[INFO] testing CamJN/jsonqrst against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCamJN%2Fjsonqrst" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CamJN/jsonqrst on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CamJN/jsonqrst
[INFO] finished tweaking git repo https://github.com/CamJN/jsonqrst
[INFO] tweaked toml for git repo https://github.com/CamJN/jsonqrst written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/CamJN/jsonqrst already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c545884e0f37ccd1991b0024366aaa04a0c458dc7bf76106e6868e2c3c07dcde
[INFO] running `"docker" "start" "-a" "c545884e0f37ccd1991b0024366aaa04a0c458dc7bf76106e6868e2c3c07dcde"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.26
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling nom v3.1.0
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling jsonqrst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `"docker" "inspect" "c545884e0f37ccd1991b0024366aaa04a0c458dc7bf76106e6868e2c3c07dcde"`
[INFO] running `"docker" "rm" "-f" "c545884e0f37ccd1991b0024366aaa04a0c458dc7bf76106e6868e2c3c07dcde"`
[INFO] [stdout] c545884e0f37ccd1991b0024366aaa04a0c458dc7bf76106e6868e2c3c07dcde
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78ca4ebcc9a3e1892755a398456bbc440ae37114a71482448a50ecc2a07be08f
[INFO] running `"docker" "start" "-a" "78ca4ebcc9a3e1892755a398456bbc440ae37114a71482448a50ecc2a07be08f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling jsonqrst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no method named `unwrap` found for enum `serde_json::Value` in the current scope
[INFO] [stderr]    --> src/main.rs:143:73
[INFO] [stderr]     |
[INFO] [stderr] 143 |         assert_eq!(json!("+44 1234567"), apply_query(data1, "phones.0").unwrap());
[INFO] [stderr]     |                                                                         ^^^^^^ method not found in `serde_json::Value`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `unwrap` found for enum `serde_json::Value` in the current scope
[INFO] [stderr]    --> src/main.rs:144:66
[INFO] [stderr]     |
[INFO] [stderr] 144 |         assert_eq!(json!("John Doe"), apply_query(data2, "name").unwrap());
[INFO] [stderr]     |                                                                  ^^^^^^ method not found in `serde_json::Value`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `jsonqrst`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "78ca4ebcc9a3e1892755a398456bbc440ae37114a71482448a50ecc2a07be08f"`
[INFO] running `"docker" "rm" "-f" "78ca4ebcc9a3e1892755a398456bbc440ae37114a71482448a50ecc2a07be08f"`
[INFO] [stdout] 78ca4ebcc9a3e1892755a398456bbc440ae37114a71482448a50ecc2a07be08f