[INFO] cloning repository https://github.com/WillDeJs/jsonlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WillDeJs/jsonlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillDeJs%2Fjsonlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillDeJs%2Fjsonlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 893ec84bfef24f04d0fe3b3d9ce1829cafa70f68
[INFO] checking WillDeJs/jsonlib against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWillDeJs%2Fjsonlib" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/WillDeJs/jsonlib
[INFO] finished tweaking git repo https://github.com/WillDeJs/jsonlib
[INFO] tweaked toml for git repo https://github.com/WillDeJs/jsonlib written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WillDeJs/jsonlib on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WillDeJs/jsonlib 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c33af11317a5284e72f85e01aea7141b80141652633f39c22a063c7f778352e
[INFO] running `Command { std: "docker" "start" "-a" "4c33af11317a5284e72f85e01aea7141b80141652633f39c22a063c7f778352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c33af11317a5284e72f85e01aea7141b80141652633f39c22a063c7f778352e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c33af11317a5284e72f85e01aea7141b80141652633f39c22a063c7f778352e", kill_on_drop: false }`
[INFO] [stdout] 4c33af11317a5284e72f85e01aea7141b80141652633f39c22a063c7f778352e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1ff51dd160f16ad91443cd1c3b863b1d43f0f4b5c382a0214ac0412f650f17f
[INFO] running `Command { std: "docker" "start" "-a" "e1ff51dd160f16ad91443cd1c3b863b1d43f0f4b5c382a0214ac0412f650f17f", kill_on_drop: false }`
[INFO] [stderr]     Checking jsonlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `language`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let language = person["language"].string().unwrap();
[INFO] [stdout]   |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bio`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let bio = person["bio"].string().unwrap();
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_bio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `language`
[INFO] [stdout]  --> src/main.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let language = person["language"].string().unwrap();
[INFO] [stdout]   |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bio`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let bio = person["bio"].string().unwrap();
[INFO] [stdout]   |             ^^^ help: if this is intentional, prefix it with an underscore: `_bio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "e1ff51dd160f16ad91443cd1c3b863b1d43f0f4b5c382a0214ac0412f650f17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ff51dd160f16ad91443cd1c3b863b1d43f0f4b5c382a0214ac0412f650f17f", kill_on_drop: false }`
[INFO] [stdout] e1ff51dd160f16ad91443cd1c3b863b1d43f0f4b5c382a0214ac0412f650f17f
