[INFO] fetching crate pokeball-rs 0.3.0-alpha.1...
[INFO] building pokeball-rs-0.3.0-alpha.1 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate pokeball-rs 0.3.0-alpha.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate pokeball-rs 0.3.0-alpha.1 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pokeball-rs 0.3.0-alpha.1
[INFO] finished tweaking crates.io crate pokeball-rs 0.3.0-alpha.1
[INFO] tweaked toml for crates.io crate pokeball-rs 0.3.0-alpha.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate pokeball-rs 0.3.0-alpha.1 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84d27ad800cd9fe28030d8364f0b8b410516e25f2bf104ea43fe73dcf7494ee6
[INFO] running `Command { std: "docker" "start" "-a" "84d27ad800cd9fe28030d8364f0b8b410516e25f2bf104ea43fe73dcf7494ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d27ad800cd9fe28030d8364f0b8b410516e25f2bf104ea43fe73dcf7494ee6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d27ad800cd9fe28030d8364f0b8b410516e25f2bf104ea43fe73dcf7494ee6", kill_on_drop: false }`
[INFO] [stdout] 84d27ad800cd9fe28030d8364f0b8b410516e25f2bf104ea43fe73dcf7494ee6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e85e998d218f1d7713f6b85ea56c07d1e56142c0a45ff58fd19936462a8ce2da
[INFO] running `Command { std: "docker" "start" "-a" "e85e998d218f1d7713f6b85ea56c07d1e56142c0a45ff58fd19936462a8ce2da", kill_on_drop: false }`
[INFO] [stderr]    Compiling pokeball-rs v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `decode_led_pattern` and `decode_led_priority`
[INFO] [stdout]  --> src/pgp/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::pgp::{decode_led_pattern, decode_led_priority};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]  --> src/pgp/pgp.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `led_pattern_count`
[INFO] [stdout]  --> src/pgp/pgp.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_led_pattern_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LedResult` is never used
[INFO] [stdout]  --> src/pgp/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LedResult {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LedPattern` is never constructed
[INFO] [stdout]   --> src/pgp/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct LedPattern {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pgp/mod.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl LedPattern {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 23 |     pub(crate) fn new(duration: u8, red: u8, green: u8, blue: u8) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_led_priority` is never used
[INFO] [stdout]  --> src/pgp/pgp.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn decode_led_priority(buffer: &[u8]) -> u8 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_led_pattern` is never used
[INFO] [stdout]  --> src/pgp/pgp.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "e85e998d218f1d7713f6b85ea56c07d1e56142c0a45ff58fd19936462a8ce2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e85e998d218f1d7713f6b85ea56c07d1e56142c0a45ff58fd19936462a8ce2da", kill_on_drop: false }`
[INFO] [stdout] e85e998d218f1d7713f6b85ea56c07d1e56142c0a45ff58fd19936462a8ce2da
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd630220887037c2d803f0878bfc2ddfbe8de1e3a4fb9540827879249481e710
[INFO] running `Command { std: "docker" "start" "-a" "fd630220887037c2d803f0878bfc2ddfbe8de1e3a4fb9540827879249481e710", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `decode_led_pattern` and `decode_led_priority`
[INFO] [stdout]  --> src/pgp/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::pgp::{decode_led_pattern, decode_led_priority};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]  --> src/pgp/pgp.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `led_pattern_count`
[INFO] [stdout]  --> src/pgp/pgp.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_led_pattern_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LedResult` is never used
[INFO] [stdout]  --> src/pgp/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LedResult {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LedPattern` is never constructed
[INFO] [stdout]   --> src/pgp/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct LedPattern {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pokeball-rs v0.3.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pgp/mod.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl LedPattern {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 23 |     pub(crate) fn new(duration: u8, red: u8, green: u8, blue: u8) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_led_priority` is never used
[INFO] [stdout]  --> src/pgp/pgp.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn decode_led_priority(buffer: &[u8]) -> u8 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_led_pattern` is never used
[INFO] [stdout]  --> src/pgp/pgp.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `decode_led_pattern` and `decode_led_priority`
[INFO] [stdout]  --> src/pgp/mod.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use self::pgp::{decode_led_pattern, decode_led_priority};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]  --> src/pgp/pgp.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `led_pattern_count`
[INFO] [stdout]  --> src/pgp/pgp.rs:7:42
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_led_pattern_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LedResult` is never used
[INFO] [stdout]  --> src/pgp/mod.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum LedResult {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LedPattern` is never constructed
[INFO] [stdout]   --> src/pgp/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct LedPattern {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/pgp/mod.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl LedPattern {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 23 |     pub(crate) fn new(duration: u8, red: u8, green: u8, blue: u8) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_led_priority` is never used
[INFO] [stdout]  --> src/pgp/pgp.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn decode_led_priority(buffer: &[u8]) -> u8 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_led_pattern` is never used
[INFO] [stdout]  --> src/pgp/pgp.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decode_led_pattern(buffer: &[u8], led_pattern_count: u8) -> LedResult {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "fd630220887037c2d803f0878bfc2ddfbe8de1e3a4fb9540827879249481e710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd630220887037c2d803f0878bfc2ddfbe8de1e3a4fb9540827879249481e710", kill_on_drop: false }`
[INFO] [stdout] fd630220887037c2d803f0878bfc2ddfbe8de1e3a4fb9540827879249481e710