[INFO] fetching crate leetgo-rs 0.2.1...
[INFO] checking leetgo-rs-0.2.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate leetgo-rs 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate leetgo-rs 0.2.1
[INFO] finished tweaking crates.io crate leetgo-rs 0.2.1
[INFO] tweaked toml for crates.io crate leetgo-rs 0.2.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate leetgo-rs 0.2.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5a4baa5d80d2a09a8f5d946a391dfe6329f0b71afa1e598b4855cd9f119be77
[INFO] running `Command { std: "docker" "start" "-a" "b5a4baa5d80d2a09a8f5d946a391dfe6329f0b71afa1e598b4855cd9f119be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5a4baa5d80d2a09a8f5d946a391dfe6329f0b71afa1e598b4855cd9f119be77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5a4baa5d80d2a09a8f5d946a391dfe6329f0b71afa1e598b4855cd9f119be77", kill_on_drop: false }`
[INFO] [stdout] b5a4baa5d80d2a09a8f5d946a391dfe6329f0b71afa1e598b4855cd9f119be77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75b2cbf8a591ef39177ae974ab03ce292f0bc3f7f03ec69a7c167b28b59f2670
[INFO] running `Command { std: "docker" "start" "-a" "75b2cbf8a591ef39177ae974ab03ce292f0bc3f7f03ec69a7c167b28b59f2670", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking leetgo-rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/list.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 14 |   #[inline]
[INFO] [stdout] 15 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "75b2cbf8a591ef39177ae974ab03ce292f0bc3f7f03ec69a7c167b28b59f2670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b2cbf8a591ef39177ae974ab03ce292f0bc3f7f03ec69a7c167b28b59f2670", kill_on_drop: false }`
[INFO] [stdout] 75b2cbf8a591ef39177ae974ab03ce292f0bc3f7f03ec69a7c167b28b59f2670