[INFO] fetching crate font-reader 0.1.5...
[INFO] checking font-reader-0.1.5 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate font-reader 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate font-reader 0.1.5 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate font-reader 0.1.5
[INFO] finished tweaking crates.io crate font-reader 0.1.5
[INFO] tweaked toml for crates.io crate font-reader 0.1.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate font-reader 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded binary-reader v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5741b49764fae530c7bd146d78c448c469353d4f55c33aba7f38d7fbc8407f3
[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" "d5741b49764fae530c7bd146d78c448c469353d4f55c33aba7f38d7fbc8407f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5741b49764fae530c7bd146d78c448c469353d4f55c33aba7f38d7fbc8407f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5741b49764fae530c7bd146d78c448c469353d4f55c33aba7f38d7fbc8407f3", kill_on_drop: false }`
[INFO] [stdout] d5741b49764fae530c7bd146d78c448c469353d4f55c33aba7f38d7fbc8407f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22ec035975126340ca246beadb0b843e6a50011240aa2ce67d66ef063f2c1436
[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" "22ec035975126340ca246beadb0b843e6a50011240aa2ce67d66ef063f2c1436", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking binary-reader v0.4.0
[INFO] [stderr]     Checking font-reader v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/formats/ttf.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value` is never read
[INFO] [stdout]    --> src/formats/ttf.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut value = String::from("");
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TTC`
[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 function is never used: `new`
[INFO] [stdout]   --> src/formats/ttc.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_header`
[INFO] [stdout]   --> src/formats/ttc.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn read_header(&mut self) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data`
[INFO] [stdout]   --> src/formats/ttc.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |   pub fn get_data(mut self) -> Result<Fonts, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TTF`
[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 function is never used: `new`
[INFO] [stdout]   --> src/formats/ttf.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader, offset: usize) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_header`
[INFO] [stdout]   --> src/formats/ttf.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn read_header(&mut self) -> Result<u16, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_table_offset`
[INFO] [stdout]   --> src/formats/ttf.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn get_table_offset(&mut self, name: String) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data`
[INFO] [stdout]   --> src/formats/ttf.rs:87:10
[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 is never used: `Fonts`
[INFO] [stdout]  --> src/types.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type Fonts = Vec<Font>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Font`
[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 is never constructed: `TTC`
[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 function is never used: `new`
[INFO] [stdout]   --> src/formats/ttc.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_header`
[INFO] [stdout]   --> src/formats/ttc.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn read_header(&mut self) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data`
[INFO] [stdout]   --> src/formats/ttc.rs:40:10
[INFO] [stdout]    |
[INFO] [stdout] 40 |   pub fn get_data(mut self) -> Result<Fonts, Error> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TTF`
[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 function is never used: `new`
[INFO] [stdout]   --> src/formats/ttf.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub fn new(reader: &'a mut BinaryReader, offset: usize) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_header`
[INFO] [stdout]   --> src/formats/ttf.rs:21:6
[INFO] [stdout]    |
[INFO] [stdout] 21 |   fn read_header(&mut self) -> Result<u16, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_table_offset`
[INFO] [stdout]   --> src/formats/ttf.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |   fn get_table_offset(&mut self, name: String) -> Result<u32, Error> {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data`
[INFO] [stdout]   --> src/formats/ttf.rs:87:10
[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 is never used: `Fonts`
[INFO] [stdout]  --> src/types.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type Fonts = Vec<Font>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Font`
[INFO] [stdout]  --> src/types.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Font {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "22ec035975126340ca246beadb0b843e6a50011240aa2ce67d66ef063f2c1436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ec035975126340ca246beadb0b843e6a50011240aa2ce67d66ef063f2c1436", kill_on_drop: false }`
[INFO] [stdout] 22ec035975126340ca246beadb0b843e6a50011240aa2ce67d66ef063f2c1436