[INFO] cloning repository https://github.com/xomvio/om_json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xomvio/om_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxomvio%2Fom_json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxomvio%2Fom_json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bc1c9673b4d0c15f3672d02c51a2458809506a2
[INFO] checking xomvio/om_json against try#863511eff87e66198b396935f3b5c8a543022f53 for pr-139493-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxomvio%2Fom_json" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xomvio/om_json
[INFO] finished tweaking git repo https://github.com/xomvio/om_json
[INFO] tweaked toml for git repo https://github.com/xomvio/om_json written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xomvio/om_json on toolchain 863511eff87e66198b396935f3b5c8a543022f53
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xomvio/om_json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a6d7923d9c0cf315fc4e92239b47086670269c6682df8bd0f04d9ffcdf71b1
[INFO] running `Command { std: "docker" "start" "-a" "b9a6d7923d9c0cf315fc4e92239b47086670269c6682df8bd0f04d9ffcdf71b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a6d7923d9c0cf315fc4e92239b47086670269c6682df8bd0f04d9ffcdf71b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a6d7923d9c0cf315fc4e92239b47086670269c6682df8bd0f04d9ffcdf71b1", kill_on_drop: false }`
[INFO] [stdout] b9a6d7923d9c0cf315fc4e92239b47086670269c6682df8bd0f04d9ffcdf71b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+863511eff87e66198b396935f3b5c8a543022f53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f684096fe3c74845d5061a38d69a99a195d2b69630b906e3179d244c9b1f7eff
[INFO] running `Command { std: "docker" "start" "-a" "f684096fe3c74845d5061a38d69a99a195d2b69630b906e3179d244c9b1f7eff", kill_on_drop: false }`
[INFO] [stderr]     Checking xom_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::common::JArray`
[INFO] [stdout]  --> src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::common::JArray;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `to_jarray`
[INFO] [stdout]  --> src/tests.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::{Val,to_jobject,to_jarray};
[INFO] [stdout]   |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f684096fe3c74845d5061a38d69a99a195d2b69630b906e3179d244c9b1f7eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f684096fe3c74845d5061a38d69a99a195d2b69630b906e3179d244c9b1f7eff", kill_on_drop: false }`
[INFO] [stdout] f684096fe3c74845d5061a38d69a99a195d2b69630b906e3179d244c9b1f7eff