[INFO] fetching crate json-rust 0.1.0...
[INFO] testing json-rust-0.1.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate json-rust 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate json-rust 0.1.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-rust 0.1.0
[INFO] finished tweaking crates.io crate json-rust 0.1.0
[INFO] tweaked toml for crates.io crate json-rust 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d08ebca8233bc315975cff603f7b872fc216ce0720181f596cf3731c09fff3bc
[INFO] running `Command { std: "docker" "start" "-a" "d08ebca8233bc315975cff603f7b872fc216ce0720181f596cf3731c09fff3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d08ebca8233bc315975cff603f7b872fc216ce0720181f596cf3731c09fff3bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08ebca8233bc315975cff603f7b872fc216ce0720181f596cf3731c09fff3bc", kill_on_drop: false }`
[INFO] [stdout] d08ebca8233bc315975cff603f7b872fc216ce0720181f596cf3731c09fff3bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 007b1480a28b0d78cc0c4ccca40b8a55f95acd49a8b728af84fe2b30a590eb88
[INFO] running `Command { std: "docker" "start" "-a" "007b1480a28b0d78cc0c4ccca40b8a55f95acd49a8b728af84fe2b30a590eb88", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]  --> src/hhome/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(){
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `JSONObject` should have a snake case name
[INFO] [stdout]  --> src/hhome/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod JSONObject {
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `jsonobject`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "007b1480a28b0d78cc0c4ccca40b8a55f95acd49a8b728af84fe2b30a590eb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007b1480a28b0d78cc0c4ccca40b8a55f95acd49a8b728af84fe2b30a590eb88", kill_on_drop: false }`
[INFO] [stdout] 007b1480a28b0d78cc0c4ccca40b8a55f95acd49a8b728af84fe2b30a590eb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f6dc89135c987a71f2033f942ff784eb6dc0859d2931b008d4b0e6b7f03ace3
[INFO] running `Command { std: "docker" "start" "-a" "2f6dc89135c987a71f2033f942ff784eb6dc0859d2931b008d4b0e6b7f03ace3", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `new`
[INFO] [stdout]  --> src/hhome/mod.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn new(){
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `JSONObject` should have a snake case name
[INFO] [stdout]  --> src/hhome/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub mod JSONObject {
[INFO] [stdout]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `jsonobject`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "2f6dc89135c987a71f2033f942ff784eb6dc0859d2931b008d4b0e6b7f03ace3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f6dc89135c987a71f2033f942ff784eb6dc0859d2931b008d4b0e6b7f03ace3", kill_on_drop: false }`
[INFO] [stdout] 2f6dc89135c987a71f2033f942ff784eb6dc0859d2931b008d4b0e6b7f03ace3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89ae4c08681dd3391704914c4158cae3f925a237fa3e60febc80a8b59c1effd0
[INFO] running `Command { std: "docker" "start" "-a" "89ae4c08681dd3391704914c4158cae3f925a237fa3e60febc80a8b59c1effd0", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stderr]  --> src/hhome/mod.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn new(){
[INFO] [stderr]   |            ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `JSONObject` should have a snake case name
[INFO] [stderr]  --> src/hhome/mod.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub mod JSONObject {
[INFO] [stderr]   |         ^^^^^^^^^^ help: convert the identifier to snake case: `jsonobject`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `json-rust` (bin "json-rust" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_rust-06c75e88b351635e)
[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" "89ae4c08681dd3391704914c4158cae3f925a237fa3e60febc80a8b59c1effd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ae4c08681dd3391704914c4158cae3f925a237fa3e60febc80a8b59c1effd0", kill_on_drop: false }`
[INFO] [stdout] 89ae4c08681dd3391704914c4158cae3f925a237fa3e60febc80a8b59c1effd0