[INFO] cloning repository https://github.com/jsdw/battlesnake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsdw/battlesnake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fbattlesnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fbattlesnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed8c0f58da197684e36d2df5cb48984f987da4d5
[INFO] checking jsdw/battlesnake against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsdw%2Fbattlesnake" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jsdw/battlesnake
[INFO] finished tweaking git repo https://github.com/jsdw/battlesnake
[INFO] tweaked toml for git repo https://github.com/jsdw/battlesnake written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jsdw/battlesnake on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jsdw/battlesnake 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f18a680a9e09e8173d45104f5f6b42cfde723e6d889b5af994d16b664ca4d2d
[INFO] running `Command { std: "docker" "start" "-a" "3f18a680a9e09e8173d45104f5f6b42cfde723e6d889b5af994d16b664ca4d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f18a680a9e09e8173d45104f5f6b42cfde723e6d889b5af994d16b664ca4d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f18a680a9e09e8173d45104f5f6b42cfde723e6d889b5af994d16b664ca4d2d", kill_on_drop: false }`
[INFO] [stdout] 3f18a680a9e09e8173d45104f5f6b42cfde723e6d889b5af994d16b664ca4d2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bce11ac1bcb4788c8d2a933d13bf1aaf754aca5fc7d1c4cd6445eaa2923f407
[INFO] running `Command { std: "docker" "start" "-a" "0bce11ac1bcb4788c8d2a933d13bf1aaf754aca5fc7d1c4cd6445eaa2923f407", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking battlesnake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Start` is never constructed
[INFO] [stdout]   --> src/api/response.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Start {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HeadType` is never used
[INFO] [stdout]   --> src/api/response.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum HeadType {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TailType` is never used
[INFO] [stdout]   --> src/api/response.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub enum TailType {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/http_server.rs:31:60: 31:68}, Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 30 | |             // Every new request leads to this inner closure being called:
[INFO] [stdout] 31 | |             Ok::<_, Infallible>(hyper::service::service_fn(move |r| {
[INFO] [stdout] 32 | |                 let mut handler = handler.clone();
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |             })) 
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/http_server.rs:31:60: 31:68}, Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             Ok::<_, Infallible>(hyper::service::service_fn(move |r| {
[INFO] [stdout] 32 | |                 let mut handler = handler.clone();
[INFO] [stdout] 33 | |                 let mut on_error = on_error.clone();
[INFO] [stdout] 34 | |                 async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |             })) 
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |                   async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 | /                     match handler(r, addr).await {
[INFO] [stdout] 39 | |                         Ok(r) => Ok::<_, Infallible>(r),
[INFO] [stdout] 40 | |                         Err(e) => {
[INFO] [stdout] 41 | |                             on_error(&e);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         Ok(r) => Ok::<_, Infallible>(r),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |                           Err(e) => {
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 41 | |                             on_error(&e);
[INFO] [stdout] 42 | |                             Ok(e.into_response())
[INFO] [stdout] 43 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   Ok(e.into_response())
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `battlesnake` (bin "battlesnake" test) due to 7 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Start` is never constructed
[INFO] [stdout]   --> src/api/response.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Start {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HeadType` is never used
[INFO] [stdout]   --> src/api/response.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum HeadType {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TailType` is never used
[INFO] [stdout]   --> src/api/response.rs:80:10
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub enum TailType {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/http_server.rs:31:60: 31:68}, Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 30 | |             // Every new request leads to this inner closure being called:
[INFO] [stdout] 31 | |             Ok::<_, Infallible>(hyper::service::service_fn(move |r| {
[INFO] [stdout] 32 | |                 let mut handler = handler.clone();
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |             })) 
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@src/http_server.rs:31:60: 31:68}, Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 | /             Ok::<_, Infallible>(hyper::service::service_fn(move |r| {
[INFO] [stdout] 32 | |                 let mut handler = handler.clone();
[INFO] [stdout] 33 | |                 let mut on_error = on_error.clone();
[INFO] [stdout] 34 | |                 async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |             })) 
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |                   async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:38:21
[INFO] [stdout]    |
[INFO] [stdout] 38 | /                     match handler(r, addr).await {
[INFO] [stdout] 39 | |                         Ok(r) => Ok::<_, Infallible>(r),
[INFO] [stdout] 40 | |                         Err(e) => {
[INFO] [stdout] 41 | |                             on_error(&e);
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |                         Ok(r) => Ok::<_, Infallible>(r),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |                           Err(e) => {
[INFO] [stdout]    |  ___________________________________^
[INFO] [stdout] 41 | |                             on_error(&e);
[INFO] [stdout] 42 | |                             Ok(e.into_response())
[INFO] [stdout] 43 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/http_server.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 | ...                   Ok(e.into_response())
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `battlesnake` (bin "battlesnake") due to 7 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "0bce11ac1bcb4788c8d2a933d13bf1aaf754aca5fc7d1c4cd6445eaa2923f407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bce11ac1bcb4788c8d2a933d13bf1aaf754aca5fc7d1c4cd6445eaa2923f407", kill_on_drop: false }`
[INFO] [stdout] 0bce11ac1bcb4788c8d2a933d13bf1aaf754aca5fc7d1c4cd6445eaa2923f407
