[INFO] fetching crate chainlink 0.1.0...
[INFO] checking chainlink-0.1.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate chainlink 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate chainlink 0.1.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chainlink 0.1.0
[INFO] finished tweaking crates.io crate chainlink 0.1.0
[INFO] tweaked toml for crates.io crate chainlink 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thunderdome v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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_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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 353fd2db0f0908bb9134f40969bce26ad1a8de153520227240a9ba9e644f0a8a
[INFO] running `Command { std: "docker" "start" "-a" "353fd2db0f0908bb9134f40969bce26ad1a8de153520227240a9ba9e644f0a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "353fd2db0f0908bb9134f40969bce26ad1a8de153520227240a9ba9e644f0a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "353fd2db0f0908bb9134f40969bce26ad1a8de153520227240a9ba9e644f0a8a", kill_on_drop: false }`
[INFO] [stdout] 353fd2db0f0908bb9134f40969bce26ad1a8de153520227240a9ba9e644f0a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 288e2e49e3de3392d8d11b63649f6e0a0cadb2a22c2d662c5f362e36cbc1b80c
[INFO] running `Command { std: "docker" "start" "-a" "288e2e49e3de3392d8d11b63649f6e0a0cadb2a22c2d662c5f362e36cbc1b80c", kill_on_drop: false }`
[INFO] [stderr]     Checking thunderdome v0.4.2
[INFO] [stderr]     Checking chainlink v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `list`, `fwd_pos`, and `rev_pos` are never read
[INFO] [stdout]   --> src/iter_links.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct IterLinksMut<'a, T> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 58 |     list: &'a mut LinkedList<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 59 |     fwd_pos: Option<Index>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 60 |     rev_pos: Option<Index>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `list`, `fwd_pos`, and `rev_pos` are never read
[INFO] [stdout]   --> src/iter_links.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct IterLinksMut<'a, T> {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 58 |     list: &'a mut LinkedList<T>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 59 |     fwd_pos: Option<Index>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 60 |     rev_pos: Option<Index>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "288e2e49e3de3392d8d11b63649f6e0a0cadb2a22c2d662c5f362e36cbc1b80c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288e2e49e3de3392d8d11b63649f6e0a0cadb2a22c2d662c5f362e36cbc1b80c", kill_on_drop: false }`
[INFO] [stdout] 288e2e49e3de3392d8d11b63649f6e0a0cadb2a22c2d662c5f362e36cbc1b80c
