[INFO] cloning repository https://github.com/Hosshii/rust_server_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hosshii/rust_server_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frust_server_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frust_server_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f89e6345ae52e6ae446a67842db6b3927f831086
[INFO] checking Hosshii/rust_server_practice against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHosshii%2Frust_server_practice" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Hosshii/rust_server_practice on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Hosshii/rust_server_practice
[INFO] finished tweaking git repo https://github.com/Hosshii/rust_server_practice
[INFO] tweaked toml for git repo https://github.com/Hosshii/rust_server_practice written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Hosshii/rust_server_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f291dc5271e548a8744b5da2f623c2740872405560cbcd1d4af09b4e0c21ff8a
[INFO] running `Command { std: "docker" "start" "-a" "f291dc5271e548a8744b5da2f623c2740872405560cbcd1d4af09b4e0c21ff8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f291dc5271e548a8744b5da2f623c2740872405560cbcd1d4af09b4e0c21ff8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f291dc5271e548a8744b5da2f623c2740872405560cbcd1d4af09b4e0c21ff8a", kill_on_drop: false }`
[INFO] [stdout] f291dc5271e548a8744b5da2f623c2740872405560cbcd1d4af09b4e0c21ff8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 933a001b296307f35175d7e00dc6e424d08221e20365f66b7716adbe69aa6c22
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "933a001b296307f35175d7e00dc6e424d08221e20365f66b7716adbe69aa6c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling uncased v0.9.3
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]     Checking futures-channel v0.3.6
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
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[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking hyper-tls v0.4.3
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[INFO] [stderr]     Checking rust_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/server.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     handler: Arc<dyn Handler + Send + Sync>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `handler`
[INFO] [stdout]   --> src/server.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     handler: Arc<dyn Handler + Send + Sync>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/message.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.conn.stream.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 c.serve();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/message.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         self.conn.stream.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 c.serve();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rust_server::request`
[INFO] [stdout]  --> tests/message_test.rs:2:18
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rust_server::request::Request;
[INFO] [stdout]   |                  ^^^^^^^ could not find `request` in `rust_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rust_server::method::Method`
[INFO] [stdout]  --> tests/message_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rust_server::method::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "933a001b296307f35175d7e00dc6e424d08221e20365f66b7716adbe69aa6c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "933a001b296307f35175d7e00dc6e424d08221e20365f66b7716adbe69aa6c22", kill_on_drop: false }`
[INFO] [stdout] 933a001b296307f35175d7e00dc6e424d08221e20365f66b7716adbe69aa6c22