[INFO] fetching crate g-rust 0.0.1-beta.8...
[INFO] checking g-rust-0.0.1-beta.8 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate g-rust 0.0.1-beta.8 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate g-rust 0.0.1-beta.8 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.14.4 (available: v0.20.10)
[INFO] [stderr]       Adding darling_core v0.14.4 (available: v0.20.10)
[INFO] [stderr]       Adding darling_macro v0.14.4 (available: v0.20.10)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (available: v0.8.0)
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.37)
[INFO] [stderr]       Adding strsim v0.10.0 (available: v0.11.1)
[INFO] [stderr]       Adding syn v0.11.11 (available: v2.0.77)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding unicode-xid v0.0.4 (available: v0.2.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6c4b4f0c2207d6ddf5da119cc064beb11da96528eb3fdab02e1258d745bf2fb
[INFO] running `Command { std: "docker" "start" "-a" "f6c4b4f0c2207d6ddf5da119cc064beb11da96528eb3fdab02e1258d745bf2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6c4b4f0c2207d6ddf5da119cc064beb11da96528eb3fdab02e1258d745bf2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c4b4f0c2207d6ddf5da119cc064beb11da96528eb3fdab02e1258d745bf2fb", kill_on_drop: false }`
[INFO] [stdout] f6c4b4f0c2207d6ddf5da119cc064beb11da96528eb3fdab02e1258d745bf2fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b140edc69f1ddab27e4d439bf29a6e75796f43523c6371a1c4ea7bd026047fe4
[INFO] running `Command { std: "docker" "start" "-a" "b140edc69f1ddab27e4d439bf29a6e75796f43523c6371a1c4ea7bd026047fe4", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling packetvar-derive v0.1.0
[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)]` 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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "b140edc69f1ddab27e4d439bf29a6e75796f43523c6371a1c4ea7bd026047fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b140edc69f1ddab27e4d439bf29a6e75796f43523c6371a1c4ea7bd026047fe4", kill_on_drop: false }`
[INFO] [stdout] b140edc69f1ddab27e4d439bf29a6e75796f43523c6371a1c4ea7bd026047fe4