[INFO] fetching crate g-rust 0.0.1-beta.8...
[INFO] checking g-rust-0.0.1-beta.8 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate g-rust 0.0.1-beta.8 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate g-rust 0.0.1-beta.8
[INFO] finished tweaking crates.io crate g-rust 0.0.1-beta.8
[INFO] tweaked toml for crates.io crate g-rust 0.0.1-beta.8 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate g-rust 0.0.1-beta.8 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (available: v0.8.9)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 573c14c067ca65e384efc8c7e231a2d2afbcb7173e3cd6bcc731e9f50aa609ed
[INFO] running `Command { std: "docker" "start" "-a" "573c14c067ca65e384efc8c7e231a2d2afbcb7173e3cd6bcc731e9f50aa609ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "573c14c067ca65e384efc8c7e231a2d2afbcb7173e3cd6bcc731e9f50aa609ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "573c14c067ca65e384efc8c7e231a2d2afbcb7173e3cd6bcc731e9f50aa609ed", kill_on_drop: false }`
[INFO] [stdout] 573c14c067ca65e384efc8c7e231a2d2afbcb7173e3cd6bcc731e9f50aa609ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 337bc28c92986e21bcaf9d875123ec8305471808f9b0967cc5030ce3127dc819
[INFO] running `Command { std: "docker" "start" "-a" "337bc28c92986e21bcaf9d875123ec8305471808f9b0967cc5030ce3127dc819", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling packetvar-derive v0.1.0
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling parser-derive v0.1.0
[INFO] [stderr]     Checking g-rust v0.0.1-beta.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/protocol/vars/longstring.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl LongString {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn from(s: &str) -> LongString {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PACKET_TO_STRING_RESPONSE` and `STRING_TO_PACKET_RESPONSE` are never used
[INFO] [stdout]   --> src/misc/messages.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout]  2 | impl IncomingMessageIds {
[INFO] [stdout]    | ----------------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub const PACKET_TO_STRING_RESPONSE: i16 = 20;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub const STRING_TO_PACKET_RESPONSE: i16 = 21;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PACKET_TO_STRING_REQUEST` and `STRING_TO_PACKET_REQUEST` are never used
[INFO] [stdout]   --> src/misc/messages.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl OutgoingMessageIds {
[INFO] [stdout]    | ----------------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub const PACKET_TO_STRING_REQUEST: i16 = 20;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     pub const STRING_TO_PACKET_REQUEST: i16 = 21;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<HDirection, Infallible>
[INFO] [stdout]   --> src/protocol/hdirection.rs:21:53
[INFO] [stdout]    |
[INFO] [stdout] 21 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 22 | |         Ok(
[INFO] [stdout] 23 | |             match s {
[INFO] [stdout] 24 | |                 "TOCLIENT" => HDirection::ToClient,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[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<HDirection, Infallible>
[INFO] [stdout]   --> src/protocol/hdirection.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         Ok(
[INFO] [stdout] 23 | |             match s {
[INFO] [stdout] 24 | |                 "TOCLIENT" => HDirection::ToClient,
[INFO] [stdout] 25 | |                 "TOSERVER" => HDirection::ToServer,
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |         )
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<HDirection, Infallible>
[INFO] [stdout]   --> src/protocol/hmessage.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |             direction: parts[2].parse::<HDirection>().unwrap(),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `g-rust` (lib test) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/protocol/vars/longstring.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl LongString {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn from(s: &str) -> LongString {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PACKET_TO_STRING_RESPONSE` and `STRING_TO_PACKET_RESPONSE` are never used
[INFO] [stdout]   --> src/misc/messages.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout]  2 | impl IncomingMessageIds {
[INFO] [stdout]    | ----------------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub const PACKET_TO_STRING_RESPONSE: i16 = 20;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub const STRING_TO_PACKET_RESPONSE: i16 = 21;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constants `PACKET_TO_STRING_REQUEST` and `STRING_TO_PACKET_REQUEST` are never used
[INFO] [stdout]   --> src/misc/messages.rs:21:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl OutgoingMessageIds {
[INFO] [stdout]    | ----------------------- associated constants in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub const PACKET_TO_STRING_REQUEST: i16 = 20;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 22 |     pub const STRING_TO_PACKET_REQUEST: i16 = 21;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<HDirection, Infallible>
[INFO] [stdout]   --> src/protocol/hdirection.rs:21:53
[INFO] [stdout]    |
[INFO] [stdout] 21 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  _____________________________________________________^
[INFO] [stdout] 22 | |         Ok(
[INFO] [stdout] 23 | |             match s {
[INFO] [stdout] 24 | |                 "TOCLIENT" => HDirection::ToClient,
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |     }
[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<HDirection, Infallible>
[INFO] [stdout]   --> src/protocol/hdirection.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         Ok(
[INFO] [stdout] 23 | |             match s {
[INFO] [stdout] 24 | |                 "TOCLIENT" => HDirection::ToClient,
[INFO] [stdout] 25 | |                 "TOSERVER" => HDirection::ToServer,
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |         )
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<HDirection, Infallible>
[INFO] [stdout]   --> src/protocol/hmessage.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |             direction: parts[2].parse::<HDirection>().unwrap(),
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `g-rust` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "337bc28c92986e21bcaf9d875123ec8305471808f9b0967cc5030ce3127dc819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337bc28c92986e21bcaf9d875123ec8305471808f9b0967cc5030ce3127dc819", kill_on_drop: false }`
[INFO] [stdout] 337bc28c92986e21bcaf9d875123ec8305471808f9b0967cc5030ce3127dc819
