[INFO] fetching crate graviton_ast 0.6.0...
[INFO] checking graviton_ast-0.6.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate graviton_ast 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate graviton_ast 0.6.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c7441b51e56aa2442446d11b008bd1dc125bf38b3d277e88b478051ea503bd3
[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" "2c7441b51e56aa2442446d11b008bd1dc125bf38b3d277e88b478051ea503bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c7441b51e56aa2442446d11b008bd1dc125bf38b3d277e88b478051ea503bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c7441b51e56aa2442446d11b008bd1dc125bf38b3d277e88b478051ea503bd3", kill_on_drop: false }`
[INFO] [stdout] 2c7441b51e56aa2442446d11b008bd1dc125bf38b3d277e88b478051ea503bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00d237d97a06a43531a5a3a1616c26be6c8fe40e0ef8cb9c04db6cf1adbd2634
[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" "00d237d97a06a43531a5a3a1616c26be6c8fe40e0ef8cb9c04db6cf1adbd2634", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[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 31.14s
[INFO] running `Command { std: "docker" "inspect" "00d237d97a06a43531a5a3a1616c26be6c8fe40e0ef8cb9c04db6cf1adbd2634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d237d97a06a43531a5a3a1616c26be6c8fe40e0ef8cb9c04db6cf1adbd2634", kill_on_drop: false }`
[INFO] [stdout] 00d237d97a06a43531a5a3a1616c26be6c8fe40e0ef8cb9c04db6cf1adbd2634