[INFO] fetching crate json-rust 0.1.0...
[INFO] testing json-rust-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate json-rust 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate json-rust 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b318e429865354941ba0ad7c1b3cc296b8453376cbb18c9468d0ef5343b84d8
[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" "8b318e429865354941ba0ad7c1b3cc296b8453376cbb18c9468d0ef5343b84d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b318e429865354941ba0ad7c1b3cc296b8453376cbb18c9468d0ef5343b84d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b318e429865354941ba0ad7c1b3cc296b8453376cbb18c9468d0ef5343b84d8", kill_on_drop: false }`
[INFO] [stdout] 8b318e429865354941ba0ad7c1b3cc296b8453376cbb18c9468d0ef5343b84d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2689cf2ca889de7372172dce1be5236835f9f711b786497fcbc8c8f00a526613
[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" "2689cf2ca889de7372172dce1be5236835f9f711b786497fcbc8c8f00a526613", 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 0.32s
[INFO] running `Command { std: "docker" "inspect" "2689cf2ca889de7372172dce1be5236835f9f711b786497fcbc8c8f00a526613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2689cf2ca889de7372172dce1be5236835f9f711b786497fcbc8c8f00a526613", kill_on_drop: false }`
[INFO] [stdout] 2689cf2ca889de7372172dce1be5236835f9f711b786497fcbc8c8f00a526613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 581ab87a26670782d71869f3b4def253a62df7a26b55046a383c6ff0cb3de8c3
[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" "581ab87a26670782d71869f3b4def253a62df7a26b55046a383c6ff0cb3de8c3", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "581ab87a26670782d71869f3b4def253a62df7a26b55046a383c6ff0cb3de8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "581ab87a26670782d71869f3b4def253a62df7a26b55046a383c6ff0cb3de8c3", kill_on_drop: false }`
[INFO] [stdout] 581ab87a26670782d71869f3b4def253a62df7a26b55046a383c6ff0cb3de8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0e56f5303bbb9ce33c3ead980dfb7237ca42bcdfb873df93bd9a61a77a9e7f5
[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" "d0e56f5303bbb9ce33c3ead980dfb7237ca42bcdfb873df93bd9a61a77a9e7f5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `new`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/hhome/mod.rs:6:12
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 6 |     pub fn new(){
[INFO] [stdout] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_rust-677e2e8ebcd32e18)
[INFO] running `Command { std: "docker" "inspect" "d0e56f5303bbb9ce33c3ead980dfb7237ca42bcdfb873df93bd9a61a77a9e7f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e56f5303bbb9ce33c3ead980dfb7237ca42bcdfb873df93bd9a61a77a9e7f5", kill_on_drop: false }`
[INFO] [stdout] d0e56f5303bbb9ce33c3ead980dfb7237ca42bcdfb873df93bd9a61a77a9e7f5