[INFO] cloning repository https://github.com/Jackman3005/rust-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jackman3005/rust-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackman3005%2Frust-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackman3005%2Frust-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1934ab40d5c6b6b0c524dd284d1608dbd9e44cf0
[INFO] checking Jackman3005/rust-cli against try#0f68263c719c986445acfdd2b05d69e200c95710 for pr-97183
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJackman3005%2Frust-cli" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jackman3005/rust-cli on toolchain 0f68263c719c986445acfdd2b05d69e200c95710
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jackman3005/rust-cli
[INFO] finished tweaking git repo https://github.com/Jackman3005/rust-cli
[INFO] tweaked toml for git repo https://github.com/Jackman3005/rust-cli written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Jackman3005/rust-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e4665f67268a5e4e1cf0858b7b4fac2779caf52e69c385bc473de32240f151
[INFO] running `Command { std: "docker" "start" "-a" "55e4665f67268a5e4e1cf0858b7b4fac2779caf52e69c385bc473de32240f151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e4665f67268a5e4e1cf0858b7b4fac2779caf52e69c385bc473de32240f151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e4665f67268a5e4e1cf0858b7b4fac2779caf52e69c385bc473de32240f151", kill_on_drop: false }`
[INFO] [stdout] 55e4665f67268a5e4e1cf0858b7b4fac2779caf52e69c385bc473de32240f151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+0f68263c719c986445acfdd2b05d69e200c95710" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f507da09c374ddd12be9afdd13b5d97d579534442ac05b21a5760493909867e
[INFO] running `Command { std: "docker" "start" "-a" "7f507da09c374ddd12be9afdd13b5d97d579534442ac05b21a5760493909867e", kill_on_drop: false }`
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking rust-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]   --> src/main.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use std::io::{Read, Write};
[INFO] [stdout]    |                   ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]   --> src/main.rs:46:19
[INFO] [stdout]    |
[INFO] [stdout] 46 |     use std::io::{Read, Write};
[INFO] [stdout]    |                   ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_yaml` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn print_yaml(doc: &yaml::Yaml) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_yaml` is never used
[INFO] [stdout]    --> src/main.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn print_yaml(doc: &yaml::Yaml) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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 0.66s
[INFO] running `Command { std: "docker" "inspect" "7f507da09c374ddd12be9afdd13b5d97d579534442ac05b21a5760493909867e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f507da09c374ddd12be9afdd13b5d97d579534442ac05b21a5760493909867e", kill_on_drop: false }`
[INFO] [stdout] 7f507da09c374ddd12be9afdd13b5d97d579534442ac05b21a5760493909867e