[INFO] fetching crate axiograph 0.1.0...
[INFO] checking axiograph-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate axiograph 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate axiograph 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate axiograph 0.1.0
[INFO] finished tweaking crates.io crate axiograph 0.1.0
[INFO] tweaked toml for crates.io crate axiograph 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate axiograph 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded evilcorp_secondpilot v2.3.0
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[INFO] [stdout] 4e44f205c7d2ef797cb7b359a39e8b3ec76ddb3ff39f759349a7f1886f68d048
[INFO] running `Command { std: "docker" "start" "-a" "4e44f205c7d2ef797cb7b359a39e8b3ec76ddb3ff39f759349a7f1886f68d048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e44f205c7d2ef797cb7b359a39e8b3ec76ddb3ff39f759349a7f1886f68d048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e44f205c7d2ef797cb7b359a39e8b3ec76ddb3ff39f759349a7f1886f68d048", kill_on_drop: false }`
[INFO] [stdout] 4e44f205c7d2ef797cb7b359a39e8b3ec76ddb3ff39f759349a7f1886f68d048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 313a092c69ce5bf2da39981f8942b732edaf12c2d68369528b91ca5be169fbd6
[INFO] running `Command { std: "docker" "start" "-a" "313a092c69ce5bf2da39981f8942b732edaf12c2d68369528b91ca5be169fbd6", kill_on_drop: false }`
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[INFO] [stderr]     Checking itoa v1.0.8
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[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_recursion::async_recursion`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arg` and `Command`
[INFO] [stdout]  --> src/main.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap::{Parser, Arg, Command};
[INFO] [stdout]   |                    ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::future::Future`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::future::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `async_recursion::async_recursion`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use async_recursion::async_recursion;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arg` and `Command`
[INFO] [stdout]  --> src/main.rs:8:20
[INFO] [stdout]   |
[INFO] [stdout] 8 | use clap::{Parser, Arg, Command};
[INFO] [stdout]   |                    ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]    --> src/main.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 360 | struct Axiograph {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 361 |     pub axiom: String,
[INFO] [stdout] 362 |     pub context: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_dot` is never used
[INFO] [stdout]    --> src/main.rs:411:12
[INFO] [stdout]     |
[INFO] [stdout] 370 | impl Axiograph {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn to_dot(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `context` is never read
[INFO] [stdout]    --> src/main.rs:362:9
[INFO] [stdout]     |
[INFO] [stdout] 360 | struct Axiograph {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 361 |     pub axiom: String,
[INFO] [stdout] 362 |     pub context: Option<String>,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_dot` is never used
[INFO] [stdout]    --> src/main.rs:411:12
[INFO] [stdout]     |
[INFO] [stdout] 370 | impl Axiograph {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 411 |     pub fn to_dot(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `Command { std: "docker" "inspect" "313a092c69ce5bf2da39981f8942b732edaf12c2d68369528b91ca5be169fbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313a092c69ce5bf2da39981f8942b732edaf12c2d68369528b91ca5be169fbd6", kill_on_drop: false }`
[INFO] [stdout] 313a092c69ce5bf2da39981f8942b732edaf12c2d68369528b91ca5be169fbd6