[INFO] cloning repository https://github.com/optim-kazuhiro-seida/Go-Streamer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/optim-kazuhiro-seida/Go-Streamer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptim-kazuhiro-seida%2FGo-Streamer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptim-kazuhiro-seida%2FGo-Streamer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e180b08101b687fc9a58fe7f71dd9d0786a5140f
[INFO] checking optim-kazuhiro-seida/Go-Streamer against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foptim-kazuhiro-seida%2FGo-Streamer" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/optim-kazuhiro-seida/Go-Streamer on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/optim-kazuhiro-seida/Go-Streamer
[INFO] finished tweaking git repo https://github.com/optim-kazuhiro-seida/Go-Streamer
[INFO] tweaked toml for git repo https://github.com/optim-kazuhiro-seida/Go-Streamer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/optim-kazuhiro-seida/Go-Streamer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e4cdad448ef41bfc45f49c021fb5abb989efc6b65cd82c5f9d3889d7ca9b5c7
[INFO] running `Command { std: "docker" "start" "-a" "7e4cdad448ef41bfc45f49c021fb5abb989efc6b65cd82c5f9d3889d7ca9b5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e4cdad448ef41bfc45f49c021fb5abb989efc6b65cd82c5f9d3889d7ca9b5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4cdad448ef41bfc45f49c021fb5abb989efc6b65cd82c5f9d3889d7ca9b5c7", kill_on_drop: false }`
[INFO] [stdout] 7e4cdad448ef41bfc45f49c021fb5abb989efc6b65cd82c5f9d3889d7ca9b5c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6820aa94fdd430c49580b51efb1cdac54c54c9021d2069eb776306558a03cad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6820aa94fdd430c49580b51efb1cdac54c54c9021d2069eb776306558a03cad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking go_streamer v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/service/service.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/service/service.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_struct_func`
[INFO] [stdout]   --> src/service/service.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn save_struct_func(struct_str: &String, package: &String, path: &String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TEMPLATE_FUNC`
[INFO] [stdout]    --> src/service/template.rs:584:1
[INFO] [stdout]     |
[INFO] [stdout] 584 | / pub static TEMPLATE_FUNC: &str ="package {{.PackageName}}
[INFO] [stdout] 585 | |
[INFO] [stdout] 586 | | import (
[INFO] [stdout] 587 | |     \"encoding/json\"
[INFO] [stdout] ...   |
[INFO] [stdout] 660 | | }
[INFO] [stdout] 661 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_struct_func`
[INFO] [stdout]   --> src/service/service.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn save_struct_func(struct_str: &String, package: &String, path: &String) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TEMPLATE_FUNC`
[INFO] [stdout]    --> src/service/template.rs:584:1
[INFO] [stdout]     |
[INFO] [stdout] 584 | / pub static TEMPLATE_FUNC: &str ="package {{.PackageName}}
[INFO] [stdout] 585 | |
[INFO] [stdout] 586 | | import (
[INFO] [stdout] 587 | |     \"encoding/json\"
[INFO] [stdout] ...   |
[INFO] [stdout] 660 | | }
[INFO] [stdout] 661 | | ";
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "f6820aa94fdd430c49580b51efb1cdac54c54c9021d2069eb776306558a03cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6820aa94fdd430c49580b51efb1cdac54c54c9021d2069eb776306558a03cad", kill_on_drop: false }`
[INFO] [stdout] f6820aa94fdd430c49580b51efb1cdac54c54c9021d2069eb776306558a03cad