[INFO] fetching crate graviton_ast 0.6.0...
[INFO] checking graviton_ast-0.6.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate graviton_ast 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate graviton_ast 0.6.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graviton_ast 0.6.0
[INFO] finished tweaking crates.io crate graviton_ast 0.6.0
[INFO] tweaked toml for crates.io crate graviton_ast 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4a8f39e9a280946fbfb88b6deac6f795d5ed54e33325d54a2a5b6fb240ffab6
[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" "a4a8f39e9a280946fbfb88b6deac6f795d5ed54e33325d54a2a5b6fb240ffab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4a8f39e9a280946fbfb88b6deac6f795d5ed54e33325d54a2a5b6fb240ffab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4a8f39e9a280946fbfb88b6deac6f795d5ed54e33325d54a2a5b6fb240ffab6", kill_on_drop: false }`
[INFO] [stdout] a4a8f39e9a280946fbfb88b6deac6f795d5ed54e33325d54a2a5b6fb240ffab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a7a9562ba9ee00f55dcd72308afbd62ced0b2bca83bc5e4954f6e43e8e8a15d
[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" "5a7a9562ba9ee00f55dcd72308afbd62ced0b2bca83bc5e4954f6e43e8e8a15d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking graviton_core v0.6.0
[INFO] [stderr]     Checking graviton_ast v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/new_ast.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(t: &'a str) -> TypeSignature {
[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: `is_number`
[INFO] [stdout]   --> src/new_ast.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn is_number(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bool`
[INFO] [stdout]   --> src/new_ast.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn is_bool(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_nil`
[INFO] [stdout]   --> src/new_ast.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn is_nil(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_signed`
[INFO] [stdout]    --> src/new_ast.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn is_signed(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_unsigned`
[INFO] [stdout]    --> src/new_ast.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn is_unsigned(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_function`
[INFO] [stdout]    --> src/new_ast.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn is_function(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_custom`
[INFO] [stdout]    --> src/new_ast.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn is_custom(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_integer`
[INFO] [stdout]    --> src/new_ast.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn is_integer(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_float`
[INFO] [stdout]    --> src/new_ast.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn is_float(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_8bit`
[INFO] [stdout]    --> src/new_ast.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn is_8bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_16bit`
[INFO] [stdout]    --> src/new_ast.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn is_16bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_32bit`
[INFO] [stdout]    --> src/new_ast.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn is_32bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_64bit`
[INFO] [stdout]    --> src/new_ast.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn is_64bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/new_ast.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(t: &'a str) -> TypeSignature {
[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: `is_number`
[INFO] [stdout]   --> src/new_ast.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn is_number(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_bool`
[INFO] [stdout]   --> src/new_ast.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn is_bool(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_nil`
[INFO] [stdout]   --> src/new_ast.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn is_nil(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_signed`
[INFO] [stdout]    --> src/new_ast.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn is_signed(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_unsigned`
[INFO] [stdout]    --> src/new_ast.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |     pub fn is_unsigned(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_function`
[INFO] [stdout]    --> src/new_ast.rs:126:12
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn is_function(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_custom`
[INFO] [stdout]    --> src/new_ast.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn is_custom(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_integer`
[INFO] [stdout]    --> src/new_ast.rs:138:12
[INFO] [stdout]     |
[INFO] [stdout] 138 |     pub fn is_integer(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_float`
[INFO] [stdout]    --> src/new_ast.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn is_float(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_8bit`
[INFO] [stdout]    --> src/new_ast.rs:163:12
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub fn is_8bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_16bit`
[INFO] [stdout]    --> src/new_ast.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn is_16bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_32bit`
[INFO] [stdout]    --> src/new_ast.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn is_32bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_64bit`
[INFO] [stdout]    --> src/new_ast.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |     pub fn is_64bit(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.45s
[INFO] running `Command { std: "docker" "inspect" "5a7a9562ba9ee00f55dcd72308afbd62ced0b2bca83bc5e4954f6e43e8e8a15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a7a9562ba9ee00f55dcd72308afbd62ced0b2bca83bc5e4954f6e43e8e8a15d", kill_on_drop: false }`
[INFO] [stdout] 5a7a9562ba9ee00f55dcd72308afbd62ced0b2bca83bc5e4954f6e43e8e8a15d