[INFO] fetching crate ni 0.1.0...
[INFO] checking ni-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ni 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ni 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 ni 0.1.0
[INFO] finished tweaking crates.io crate ni 0.1.0
[INFO] tweaked toml for crates.io crate ni 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ed77a57516b5f9df0838903e256b6cd95514ce8a2d4d1453141406b3da37a1
[INFO] running `Command { std: "docker" "start" "-a" "84ed77a57516b5f9df0838903e256b6cd95514ce8a2d4d1453141406b3da37a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ed77a57516b5f9df0838903e256b6cd95514ce8a2d4d1453141406b3da37a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ed77a57516b5f9df0838903e256b6cd95514ce8a2d4d1453141406b3da37a1", kill_on_drop: false }`
[INFO] [stdout] 84ed77a57516b5f9df0838903e256b6cd95514ce8a2d4d1453141406b3da37a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5cb37aeb777e666a14ed3e264ed58b6d069499d48a973b405a4fb1e31b92b51c
[INFO] running `Command { std: "docker" "start" "-a" "5cb37aeb777e666a14ed3e264ed58b6d069499d48a973b405a4fb1e31b92b51c", kill_on_drop: false }`
[INFO] [stderr]     Checking ni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `as_any` is never used
[INFO] [stdout]   --> src/executor/files.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait File: std::fmt::Debug {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn as_any(&self) -> &dyn Any;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `count` is never read
[INFO] [stdout]   --> src/executor/files.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub struct Files {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 63 |     files: Vec<Option<Box<dyn File>>>,
[INFO] [stdout] 64 |     count: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Files` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `LIMIT`, `open`, and `close` are never used
[INFO] [stdout]    --> src/executor/files.rs:69:15
[INFO] [stdout]     |
[INFO] [stdout] 68  | impl Files {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 69  |     pub const LIMIT: usize = 64;
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79  |     pub fn open<F>(&mut self, file: F) -> Result<UWord, (FilesError, F)>
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     pub fn close(&mut self, idx: UWord) -> Result<Box<dyn File>, FilesError> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]    --> src/executor/memory.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 120 | impl Memory {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub fn update<T, F>(&mut self, ptr: UWord, f: F) -> Result<(), MemoryError>
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `types` is never read
[INFO] [stdout]   --> src/nil/layout.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Layout<'n, 't> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 14 |     pub(super) fields: View<Field<'n, 't>>,
[INFO] [stdout] 15 |     pub(super) types: View<Ty<'t>>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layout` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ptr` are never read
[INFO] [stdout]   --> src/nil/layout.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Field<'n, 't> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 28 |     pub(super) name: &'n str,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 29 |     pub(super) ty: Ty<'t>,
[INFO] [stdout] 30 |     pub(super) ptr: UWord,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `types` is never read
[INFO] [stdout]   --> src/nil/layout.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Layout<'n, 't> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 14 |     pub(super) fields: View<Field<'n, 't>>,
[INFO] [stdout] 15 |     pub(super) types: View<Ty<'t>>,
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Layout` 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 `name` and `ptr` are never read
[INFO] [stdout]   --> src/nil/layout.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Field<'n, 't> {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 28 |     pub(super) name: &'n str,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 29 |     pub(super) ty: Ty<'t>,
[INFO] [stdout] 30 |     pub(super) ptr: UWord,
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 1.56s
[INFO] running `Command { std: "docker" "inspect" "5cb37aeb777e666a14ed3e264ed58b6d069499d48a973b405a4fb1e31b92b51c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb37aeb777e666a14ed3e264ed58b6d069499d48a973b405a4fb1e31b92b51c", kill_on_drop: false }`
[INFO] [stdout] 5cb37aeb777e666a14ed3e264ed58b6d069499d48a973b405a4fb1e31b92b51c