[INFO] fetching crate gcache 0.0.1... [INFO] checking gcache-0.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate gcache 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate gcache 0.0.1 [INFO] finished tweaking crates.io crate gcache 0.0.1 [INFO] tweaked toml for crates.io crate gcache 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gcache 0.0.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages to latest compatible versions [INFO] [stderr] Adding nix v0.27.1 (available: v0.30.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9653095c9a5d2bf3d7381811c64e1fbe78807a5f2273911fafa7a62d0543c6a4 [INFO] running `Command { std: "docker" "start" "-a" "9653095c9a5d2bf3d7381811c64e1fbe78807a5f2273911fafa7a62d0543c6a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9653095c9a5d2bf3d7381811c64e1fbe78807a5f2273911fafa7a62d0543c6a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9653095c9a5d2bf3d7381811c64e1fbe78807a5f2273911fafa7a62d0543c6a4", kill_on_drop: false }` [INFO] [stdout] 9653095c9a5d2bf3d7381811c64e1fbe78807a5f2273911fafa7a62d0543c6a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d732ee302c348921a53ffad7f0731a90182a2982c2a837ed63a0b018d2aff8b [INFO] running `Command { std: "docker" "start" "-a" "1d732ee302c348921a53ffad7f0731a90182a2982c2a837ed63a0b018d2aff8b", kill_on_drop: false }` [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking mio v1.1.0 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Compiling tokio-macros v2.6.0 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Checking gcache v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/peer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicU64` and `Ordering` [INFO] [stdout] --> src/peer.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::atomic::{AtomicU64, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/peer.rs:9:64 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{self, AsyncReadExt, AsyncWrite, AsyncWriteExt, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/store/file.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/peer.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicU64` and `Ordering` [INFO] [stdout] --> src/peer.rs:3:25 [INFO] [stdout] | [INFO] [stdout] 3 | use std::sync::atomic::{AtomicU64, Ordering}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BufWriter` [INFO] [stdout] --> src/peer.rs:9:64 [INFO] [stdout] | [INFO] [stdout] 9 | use tokio::io::{self, AsyncReadExt, AsyncWrite, AsyncWriteExt, BufWriter}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bytes::Bytes` [INFO] [stdout] --> src/store/file.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/store/file.rs:4:62 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{self, AsyncRead, AsyncReadExt, AsyncSeekExt, AsyncWriteExt, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/protocol.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | Read { key, offset, limit } => 2 + key.len() + 16, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `offset: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `limit` [INFO] [stdout] --> src/protocol.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | Read { key, offset, limit } => 2 + key.len() + 16, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `limit: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/peer.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct PeerInner { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 20 | addr: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `size` is never used [INFO] [stdout] --> src/protocol.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Operation { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, PathBuf> [INFO] [stdout] --> src/node.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/node.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, PathBuf> [INFO] [stdout] --> src/node.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/node.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/node.rs:234:20 [INFO] [stdout] | [INFO] [stdout] 234 | let base = "test-dir/".parse::().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gcache` (lib test) due to 5 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused import: `AsyncWriteExt` [INFO] [stdout] --> src/store/file.rs:4:62 [INFO] [stdout] | [INFO] [stdout] 4 | use tokio::io::{self, AsyncRead, AsyncReadExt, AsyncSeekExt, AsyncWriteExt, SeekFrom}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset` [INFO] [stdout] --> src/protocol.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | Read { key, offset, limit } => 2 + key.len() + 16, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `offset: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `limit` [INFO] [stdout] --> src/protocol.rs:67:33 [INFO] [stdout] | [INFO] [stdout] 67 | Read { key, offset, limit } => 2 + key.len() + 16, [INFO] [stdout] | ^^^^^ help: try ignoring the field: `limit: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/hash.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 45 | impl VitualNode { [INFO] [stdout] | --------------------------- associated function in this implementation [INFO] [stdout] 46 | fn new>(id: u8, k: Q) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `addr` is never read [INFO] [stdout] --> src/peer.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct PeerInner { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 20 | addr: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `size` is never used [INFO] [stdout] --> src/protocol.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl Operation { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileSource` is never constructed [INFO] [stdout] --> src/source/file.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct FileSource { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/source/file.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl FileSource { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 14 | pub fn new(base: impl AsRef) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FileStore` is never constructed [INFO] [stdout] --> src/store/file.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct FileStore { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/store/file.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 12 | impl FileStore { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] 13 | pub fn new(base: impl AsRef) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, PathBuf> [INFO] [stdout] --> src/node.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/node.rs:176:17 [INFO] [stdout] | [INFO] [stdout] 176 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: ControlFlow, PathBuf> [INFO] [stdout] --> src/node.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/node.rs:202:17 [INFO] [stdout] | [INFO] [stdout] 202 | let p = String::from_utf8_lossy(&key).parse::()?; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `gcache` (lib) due to 4 previous errors; 14 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1d732ee302c348921a53ffad7f0731a90182a2982c2a837ed63a0b018d2aff8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d732ee302c348921a53ffad7f0731a90182a2982c2a837ed63a0b018d2aff8b", kill_on_drop: false }` [INFO] [stdout] 1d732ee302c348921a53ffad7f0731a90182a2982c2a837ed63a0b018d2aff8b