[INFO] cloning repository https://github.com/emmystark/rust_surf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emmystark/rust_surf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmystark%2Frust_surf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmystark%2Frust_surf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c6a59d47f6d80ec38f36962e30a2204c6a99079
[INFO] checking emmystark/rust_surf against 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0 for pr-158915-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femmystark%2Frust_surf" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emmystark/rust_surf
[INFO] finished tweaking git repo https://github.com/emmystark/rust_surf
[INFO] tweaked toml for git repo https://github.com/emmystark/rust_surf written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emmystark/rust_surf on toolchain 0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emmystark/rust_surf 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" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_init` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /workspace/builds/worker-4-tc2/source/target/.../rust_init
[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 `rust-init`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "rust_init"
[INFO] [stderr] 5 + name = "rust-init"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rust-init`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "rust-init"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `rust_init` (manifest) generated 1 warning
[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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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] ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0
[INFO] running `Command { std: "docker" "start" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0", 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" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0", 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" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0" "/opt/rustwide/cargo-home/bin/cargo" "+0335fc7ee9e33d92e03d99f3e2fb0fe6119f3cc0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: binary `rust_init` should have a kebab-case name
[INFO] [stderr]   |
[INFO] [stderr] 1 | /opt/rustwide/target/.../rust_init
[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 `rust-init`, convert `package.name`
[INFO] [stderr]  --> Cargo.toml:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 - name = "rust_init"
[INFO] [stderr] 5 + name = "rust-init"
[INFO] [stderr]   |
[INFO] [stderr] help: to change the binary name to `rust-init`, specify `bin.name`
[INFO] [stderr]  --> Cargo.toml:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 ~ version = "0.1.0"
[INFO] [stderr] 7 + [[bin]]
[INFO] [stderr] 8 + name = "rust-init"
[INFO] [stderr] 9 + path = "src/main.rs"
[INFO] [stderr]   |
[INFO] [stderr] warning: `rust_init` (manifest) generated 1 warning
[INFO] [stderr]     Checking rust_init v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/main.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut x = 5;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 30 |     x = 20;
[INFO] [stdout]    |     ------ `x` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Right` are never constructed
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     enum Direction {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 240 |         Up,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 241 |         Down,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 242 |         Left,
[INFO] [stdout] 243 |         Right,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/main.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut x = 5;
[INFO] [stdout]    |                 ^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 30 |     x = 20;
[INFO] [stdout]    |     ------ `x` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Up`, `Down`, and `Right` are never constructed
[INFO] [stdout]    --> src/main.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |     enum Direction {
[INFO] [stdout]     |          --------- variants in this enum
[INFO] [stdout] 240 |         Up,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 241 |         Down,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 242 |         Left,
[INFO] [stdout] 243 |         Right,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0", kill_on_drop: false }`
[INFO] [stdout] ddc5dfb1d50138d73c0c70701bd4660c40af94972a85320e7971e3a9b995b9d0
