[INFO] cloning repository https://github.com/rcapraro/json-diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rcapraro/json-diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcapraro%2Fjson-diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcapraro%2Fjson-diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e3a1db86f0a549420dea720a3229bb4629e13c4
[INFO] checking rcapraro/json-diff against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcapraro%2Fjson-diff" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rcapraro/json-diff on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rcapraro/json-diff
[INFO] finished tweaking git repo https://github.com/rcapraro/json-diff
[INFO] tweaked toml for git repo https://github.com/rcapraro/json-diff written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/rcapraro/json-diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert-json-diff v1.1.0
[INFO] [stderr]   Downloaded extend v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1db013ae6882daeb1e88e195ed2b7a4c9bc2984cf32ec7848168f05cfa9ee57
[INFO] running `Command { std: "docker" "start" "-a" "d1db013ae6882daeb1e88e195ed2b7a4c9bc2984cf32ec7848168f05cfa9ee57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1db013ae6882daeb1e88e195ed2b7a4c9bc2984cf32ec7848168f05cfa9ee57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1db013ae6882daeb1e88e195ed2b7a4c9bc2984cf32ec7848168f05cfa9ee57", kill_on_drop: false }`
[INFO] [stdout] d1db013ae6882daeb1e88e195ed2b7a4c9bc2984cf32ec7848168f05cfa9ee57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 746ee51e66baf4d7336ceaada2ad9e51b8a3ffff1d3abb006a3f34b7e2f84eb4
[INFO] running `Command { std: "docker" "start" "-a" "746ee51e66baf4d7336ceaada2ad9e51b8a3ffff1d3abb006a3f34b7e2f84eb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling extend v0.1.2
[INFO] [stderr]     Checking assert-json-diff v1.1.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking json-diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value1`
[INFO] [stdout]   --> src/mismatch.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn match_json(value1: &Value, value2: &Value) -> Mismatch {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value2`
[INFO] [stdout]   --> src/mismatch.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn match_json(value1: &Value, value2: &Value) -> Mismatch {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> src/mismatch.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Value`
[INFO] [stdout]  --> src/mismatch.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Value(Value, Value),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]  --> src/mismatch.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Node(HashMap<String, JsonNode>)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mismatch.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(l: JsonNode, r: JsonNode, u: JsonNode) -> Mismatch {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_json`
[INFO] [stdout]   --> src/mismatch.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn match_json(value1: &Value, value2: &Value) -> Mismatch {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value1`
[INFO] [stdout]   --> src/mismatch.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn match_json(value1: &Value, value2: &Value) -> Mismatch {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value2`
[INFO] [stdout]   --> src/mismatch.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn match_json(value1: &Value, value2: &Value) -> Mismatch {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_value2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]  --> src/mismatch.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Nil,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Value`
[INFO] [stdout]  --> src/mismatch.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Value(Value, Value),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Node`
[INFO] [stdout]  --> src/mismatch.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Node(HashMap<String, JsonNode>)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mismatch.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn new(l: JsonNode, r: JsonNode, u: JsonNode) -> Mismatch {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_json`
[INFO] [stdout]   --> src/mismatch.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn match_json(value1: &Value, value2: &Value) -> Mismatch {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "746ee51e66baf4d7336ceaada2ad9e51b8a3ffff1d3abb006a3f34b7e2f84eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "746ee51e66baf4d7336ceaada2ad9e51b8a3ffff1d3abb006a3f34b7e2f84eb4", kill_on_drop: false }`
[INFO] [stdout] 746ee51e66baf4d7336ceaada2ad9e51b8a3ffff1d3abb006a3f34b7e2f84eb4