[INFO] fetching crate font-reader 0.1.10...
[INFO] checking font-reader-0.1.10 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate font-reader 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate font-reader 0.1.10 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 font-reader 0.1.10
[INFO] finished tweaking crates.io crate font-reader 0.1.10
[INFO] tweaked toml for crates.io crate font-reader 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate font-reader 0.1.10 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ab1e3bb9b2ef5cc3418451bdf76781a740aa7da3502cceff18b90914a330fda6
[INFO] running `Command { std: "docker" "start" "-a" "ab1e3bb9b2ef5cc3418451bdf76781a740aa7da3502cceff18b90914a330fda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab1e3bb9b2ef5cc3418451bdf76781a740aa7da3502cceff18b90914a330fda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1e3bb9b2ef5cc3418451bdf76781a740aa7da3502cceff18b90914a330fda6", kill_on_drop: false }`
[INFO] [stdout] ab1e3bb9b2ef5cc3418451bdf76781a740aa7da3502cceff18b90914a330fda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 891d595d9b6bd3ea67d425eb93ff8fe1030a57b66764e07fae93910f641a902d
[INFO] running `Command { std: "docker" "start" "-a" "891d595d9b6bd3ea67d425eb93ff8fe1030a57b66764e07fae93910f641a902d", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking binary-reader v0.4.0
[INFO] [stderr]     Checking font-reader v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/formats/ttf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/formats/ttf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/formats/ttf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/formats/ttf.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TTC` is never constructed
[INFO] [stdout]  --> src/formats/ttc.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TTC<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_header`, and `get_data` are never used
[INFO] [stdout]   --> src/formats/ttc.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> TTC<'a> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   fn read_header(&mut self) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   pub fn get_data(mut self) -> Result<Fonts, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TTF` is never constructed
[INFO] [stdout]  --> src/formats/ttf.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TTF<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_header`, `get_table_offset`, and `get_data` are never used
[INFO] [stdout]   --> src/formats/ttf.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> TTF<'a> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader, offset: usize) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn read_header(&mut self) -> Result<u16, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   fn get_table_offset(&mut self, name: String) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |   pub fn get_data(&mut self) -> Result<Fonts, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Fonts` is never used
[INFO] [stdout]  --> src/types.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type Fonts = Vec<Font>;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Font` is never constructed
[INFO] [stdout]  --> src/types.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Font {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TTC` is never constructed
[INFO] [stdout]  --> src/formats/ttc.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct TTC<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_header`, and `get_data` are never used
[INFO] [stdout]   --> src/formats/ttc.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> TTC<'a> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   fn read_header(&mut self) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   pub fn get_data(mut self) -> Result<Fonts, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TTF` is never constructed
[INFO] [stdout]  --> src/formats/ttf.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TTF<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_header`, `get_table_offset`, and `get_data` are never used
[INFO] [stdout]   --> src/formats/ttf.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'a> TTF<'a> {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader, offset: usize) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn read_header(&mut self) -> Result<u16, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   fn get_table_offset(&mut self, name: String) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |   pub fn get_data(&mut self) -> Result<Fonts, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Fonts` is never used
[INFO] [stdout]  --> src/types.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type Fonts = Vec<Font>;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Font` is never constructed
[INFO] [stdout]  --> src/types.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Font {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "891d595d9b6bd3ea67d425eb93ff8fe1030a57b66764e07fae93910f641a902d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891d595d9b6bd3ea67d425eb93ff8fe1030a57b66764e07fae93910f641a902d", kill_on_drop: false }`
[INFO] [stdout] 891d595d9b6bd3ea67d425eb93ff8fe1030a57b66764e07fae93910f641a902d