[INFO] cloning repository https://github.com/BaicaiCoin/homework4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BaicaiCoin/homework4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaicaiCoin%2Fhomework4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaicaiCoin%2Fhomework4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f079894dc4456c60d05861b3f36510711b90f3ad
[INFO] checking BaicaiCoin/homework4 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBaicaiCoin%2Fhomework4" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BaicaiCoin/homework4
[INFO] finished tweaking git repo https://github.com/BaicaiCoin/homework4
[INFO] tweaked toml for git repo https://github.com/BaicaiCoin/homework4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BaicaiCoin/homework4 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BaicaiCoin/homework4 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `homework_4` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /workspace/builds/worker-0-tc1/source/target/.../homework_4
[INFO] [stderr]    |                                                  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `homework-4`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 - name = "homework_4"
[INFO] [stderr] 19 + name = "homework-4"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `homework-4`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ version = "0.1.0"
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "homework-4"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `homework_4` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415
[INFO] running `Command { std: "docker" "start" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `homework_4` should have a kebab-case name
[INFO] [stderr]    |
[INFO] [stderr]  1 | /opt/rustwide/target/.../homework_4
[INFO] [stderr]    |                          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::non_kebab_case_bins` is set to `warn` by default
[INFO] [stderr] help: to change the binary name to `homework-4`, convert `package.name`
[INFO] [stderr]   --> Cargo.toml:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 - name = "homework_4"
[INFO] [stderr] 19 + name = "homework-4"
[INFO] [stderr]    |
[INFO] [stderr] help: to change the binary name to `homework-4`, specify `bin.name`
[INFO] [stderr]   --> Cargo.toml:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 ~ version = "0.1.0"
[INFO] [stderr] 21 + [[bin]]
[INFO] [stderr] 22 + name = "homework-4"
[INFO] [stderr] 23 + path = "src/main.rs"
[INFO] [stderr]    |
[INFO] [stderr] warning: `homework_4` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking concurrent-queue v2.2.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking homework_4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `nix`
[INFO] [stderr]  --> Cargo.toml:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | nix = "0.23"
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `nix`
[INFO] [stderr] warning: unused dependency `polling`
[INFO] [stderr]  --> Cargo.toml:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | polling = "2"
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `polling`
[INFO] [stderr] warning: unused dependency `rustc-hash`
[INFO] [stderr]  --> Cargo.toml:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | rustc-hash = "1"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `rustc-hash`
[INFO] [stderr] warning: unused dependency `socket2`
[INFO] [stderr]   --> Cargo.toml:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | socket2 = "0.4"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `socket2`
[INFO] [stderr] warning: unused dependency `tokio`
[INFO] [stderr]   --> Cargo.toml:13:15
[INFO] [stderr]    |
[INFO] [stderr] 13 | [dependencies.tokio]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `tokio`
[INFO] [stderr] warning: unused dependency `waker-fn`
[INFO] [stderr]   --> Cargo.toml:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | waker-fn = "1"
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `waker-fn`
[INFO] [stderr] warning: `homework_4` (manifest) generated 6 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.31s
[INFO] running `Command { std: "docker" "inspect" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415", kill_on_drop: false }`
[INFO] [stdout] 293a74658496edb1baeb3aa56d72d1a3d2f85bf59b69e5e13b917168e2750415
