[INFO] fetching crate json-rust 0.1.0...
[INFO] testing json-rust-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate json-rust 0.1.0 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate json-rust 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-86/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26d12bcf9dd9c39c308703caf6ad0badc95db3489c3f3211928aadff579bf48c
[INFO] running `Command { std: "docker" "start" "-a" "26d12bcf9dd9c39c308703caf6ad0badc95db3489c3f3211928aadff579bf48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d12bcf9dd9c39c308703caf6ad0badc95db3489c3f3211928aadff579bf48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d12bcf9dd9c39c308703caf6ad0badc95db3489c3f3211928aadff579bf48c", kill_on_drop: false }`
[INFO] [stdout] 26d12bcf9dd9c39c308703caf6ad0badc95db3489c3f3211928aadff579bf48c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f985eb5c63ac5b6c4ba581d10f6d0b62ed0dba69437abf3b409c2a55b16abfac
[INFO] running `Command { std: "docker" "start" "-a" "f985eb5c63ac5b6c4ba581d10f6d0b62ed0dba69437abf3b409c2a55b16abfac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.45s
[INFO] running `Command { std: "docker" "inspect" "f985eb5c63ac5b6c4ba581d10f6d0b62ed0dba69437abf3b409c2a55b16abfac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f985eb5c63ac5b6c4ba581d10f6d0b62ed0dba69437abf3b409c2a55b16abfac", kill_on_drop: false }`
[INFO] [stdout] f985eb5c63ac5b6c4ba581d10f6d0b62ed0dba69437abf3b409c2a55b16abfac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 109af5d55b41002c42da28f5eae1f5242b26acdf4c82f60d430f0362ad4844be
[INFO] running `Command { std: "docker" "start" "-a" "109af5d55b41002c42da28f5eae1f5242b26acdf4c82f60d430f0362ad4844be", 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 0.40s
[INFO] running `Command { std: "docker" "inspect" "109af5d55b41002c42da28f5eae1f5242b26acdf4c82f60d430f0362ad4844be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "109af5d55b41002c42da28f5eae1f5242b26acdf4c82f60d430f0362ad4844be", kill_on_drop: false }`
[INFO] [stdout] 109af5d55b41002c42da28f5eae1f5242b26acdf4c82f60d430f0362ad4844be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb288a03923d3d7803288bcf38ffb21ade4f8efafab4215cde66c89d6a25f907
[INFO] running `Command { std: "docker" "start" "-a" "eb288a03923d3d7803288bcf38ffb21ade4f8efafab4215cde66c89d6a25f907", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.78s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_rust-06c75e88b351635e)
[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" "eb288a03923d3d7803288bcf38ffb21ade4f8efafab4215cde66c89d6a25f907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb288a03923d3d7803288bcf38ffb21ade4f8efafab4215cde66c89d6a25f907", kill_on_drop: false }`
[INFO] [stdout] eb288a03923d3d7803288bcf38ffb21ade4f8efafab4215cde66c89d6a25f907