[INFO] updating cached repository https://github.com/CamJN/jsonqrst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed5e92701a1cf084896e583da3217d06a413c3a6
[INFO] checking CamJN/jsonqrst against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCamJN%2Fjsonqrst" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CamJN/jsonqrst on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/CamJN/jsonqrst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 180c97f2b7743f4e6381af201e673eb919361f544e0e8e37791938b6ac08e333
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "180c97f2b7743f4e6381af201e673eb919361f544e0e8e37791938b6ac08e333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "180c97f2b7743f4e6381af201e673eb919361f544e0e8e37791938b6ac08e333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180c97f2b7743f4e6381af201e673eb919361f544e0e8e37791938b6ac08e333", kill_on_drop: false }`
[INFO] [stdout] 180c97f2b7743f4e6381af201e673eb919361f544e0e8e37791938b6ac08e333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1db9d632f608c1b9045f90b4a59b6d9e91d8ef923eb3600cb59e8f2914682016
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1db9d632f608c1b9045f90b4a59b6d9e91d8ef923eb3600cb59e8f2914682016", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking serde v1.0.10
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking nom v3.1.0
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking jsonqrst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `unwrap` found for enum `serde_json::Value` in the current scope
[INFO] [stdout]    --> src/main.rs:143:73
[INFO] [stdout]     |
[INFO] [stdout] 143 |         assert_eq!(json!("+44 1234567"), apply_query(data1, "phones.0").unwrap());
[INFO] [stdout]     |                                                                         ^^^^^^ method not found in `serde_json::Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for enum `serde_json::Value` in the current scope
[INFO] [stdout]    --> src/main.rs:144:66
[INFO] [stdout]     |
[INFO] [stdout] 144 |         assert_eq!(json!("John Doe"), apply_query(data2, "name").unwrap());
[INFO] [stdout]     |                                                                  ^^^^^^ method not found in `serde_json::Value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonqrst`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1db9d632f608c1b9045f90b4a59b6d9e91d8ef923eb3600cb59e8f2914682016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1db9d632f608c1b9045f90b4a59b6d9e91d8ef923eb3600cb59e8f2914682016", kill_on_drop: false }`
[INFO] [stdout] 1db9d632f608c1b9045f90b4a59b6d9e91d8ef923eb3600cb59e8f2914682016