[INFO] cloning repository https://github.com/xxxvarenik136-ui/json-writer-and-rider
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xxxvarenik136-ui/json-writer-and-rider" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxxvarenik136-ui%2Fjson-writer-and-rider", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxxvarenik136-ui%2Fjson-writer-and-rider'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d00a3bf49b9e3b433ecfe29cdd43d6837ad76cec
[INFO] checking xxxvarenik136-ui/json-writer-and-rider against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxxxvarenik136-ui%2Fjson-writer-and-rider" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xxxvarenik136-ui/json-writer-and-rider
[INFO] finished tweaking git repo https://github.com/xxxvarenik136-ui/json-writer-and-rider
[INFO] tweaked toml for git repo https://github.com/xxxvarenik136-ui/json-writer-and-rider written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xxxvarenik136-ui/json-writer-and-rider on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xxxvarenik136-ui/json-writer-and-rider 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d38dc7b3fa871b3cfd5f69be88835766982d70fb3d90de484bfd441660142dd
[INFO] running `Command { std: "docker" "start" "-a" "3d38dc7b3fa871b3cfd5f69be88835766982d70fb3d90de484bfd441660142dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d38dc7b3fa871b3cfd5f69be88835766982d70fb3d90de484bfd441660142dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d38dc7b3fa871b3cfd5f69be88835766982d70fb3d90de484bfd441660142dd", kill_on_drop: false }`
[INFO] [stdout] 3d38dc7b3fa871b3cfd5f69be88835766982d70fb3d90de484bfd441660142dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcae235d2897660b3e946dc07e61de2f6ecf76d55c3ed19cf7b6bfc5f262adc0
[INFO] running `Command { std: "docker" "start" "-a" "fcae235d2897660b3e946dc07e61de2f6ecf76d55c3ed19cf7b6bfc5f262adc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking pytuhon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Paragraph` is never constructed
[INFO] [stdout]  --> jsreaderandwriter.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Paragraph{
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Article` is never constructed
[INFO] [stdout]  --> jsreaderandwriter.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Article{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_json_typed` is never used
[INFO] [stdout]   --> jsreaderandwriter.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn read_json_typed(raw_json: &str) -> Article{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json_typed` is never used
[INFO] [stdout]   --> jsreaderandwriter.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn write_json_typed(article: &Article) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Paragraph` is never constructed
[INFO] [stdout]  --> jsreaderandwriter.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Paragraph{
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Article` is never constructed
[INFO] [stdout]  --> jsreaderandwriter.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Article{
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_json_typed` is never used
[INFO] [stdout]   --> jsreaderandwriter.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn read_json_typed(raw_json: &str) -> Article{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json_typed` is never used
[INFO] [stdout]   --> jsreaderandwriter.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn write_json_typed(article: &Article) -> String{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "fcae235d2897660b3e946dc07e61de2f6ecf76d55c3ed19cf7b6bfc5f262adc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcae235d2897660b3e946dc07e61de2f6ecf76d55c3ed19cf7b6bfc5f262adc0", kill_on_drop: false }`
[INFO] [stdout] fcae235d2897660b3e946dc07e61de2f6ecf76d55c3ed19cf7b6bfc5f262adc0