[INFO] cloning repository https://github.com/yuma140902/pear-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuma140902/pear-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuma140902%2Fpear-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuma140902%2Fpear-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 190b9a96ed0afe24f06aa6618d26ec9901604835
[INFO] checking yuma140902/pear-rs against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuma140902%2Fpear-rs" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yuma140902/pear-rs on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yuma140902/pear-rs
[INFO] finished tweaking git repo https://github.com/yuma140902/pear-rs
[INFO] tweaked toml for git repo https://github.com/yuma140902/pear-rs written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/yuma140902/pear-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2896bf8e2424a3672dc9f5124473817b28cc61b1a3d48dd4ccbb47486f4662eb
[INFO] running `Command { std: "docker" "start" "-a" "2896bf8e2424a3672dc9f5124473817b28cc61b1a3d48dd4ccbb47486f4662eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2896bf8e2424a3672dc9f5124473817b28cc61b1a3d48dd4ccbb47486f4662eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2896bf8e2424a3672dc9f5124473817b28cc61b1a3d48dd4ccbb47486f4662eb", kill_on_drop: false }`
[INFO] [stdout] 2896bf8e2424a3672dc9f5124473817b28cc61b1a3d48dd4ccbb47486f4662eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d15e3b6e1cf619fe4a5b6cac7f4002bb3b81ae8d3c5c3d21b75d2ab8319df03e
[INFO] running `Command { std: "docker" "start" "-a" "d15e3b6e1cf619fe4a5b6cac7f4002bb3b81ae8d3c5c3d21b75d2ab8319df03e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pear v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn install(package: &str) -> ExitCode {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn uninstall(package: &str) -> ExitCode {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn create(package: Option<&str>) -> ExitCode {
[INFO] [stdout]    |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn install(package: &str) -> ExitCode {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn uninstall(package: &str) -> ExitCode {
[INFO] [stdout]    |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `package`
[INFO] [stdout]   --> src/lib.rs:63:15
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn create(package: Option<&str>) -> ExitCode {
[INFO] [stdout]    |               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_package`
[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 20.91s
[INFO] running `Command { std: "docker" "inspect" "d15e3b6e1cf619fe4a5b6cac7f4002bb3b81ae8d3c5c3d21b75d2ab8319df03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d15e3b6e1cf619fe4a5b6cac7f4002bb3b81ae8d3c5c3d21b75d2ab8319df03e", kill_on_drop: false }`
[INFO] [stdout] d15e3b6e1cf619fe4a5b6cac7f4002bb3b81ae8d3c5c3d21b75d2ab8319df03e