[INFO] fetching crate gcache 0.0.1...
[INFO] testing gcache-0.0.1 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate gcache 0.0.1 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gcache 0.0.1 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b521db5cf522399c415ece2be6c79ddd7177e763314d79dfedae39e5baf58e9b
[INFO] running `Command { std: "docker" "start" "-a" "b521db5cf522399c415ece2be6c79ddd7177e763314d79dfedae39e5baf58e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b521db5cf522399c415ece2be6c79ddd7177e763314d79dfedae39e5baf58e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b521db5cf522399c415ece2be6c79ddd7177e763314d79dfedae39e5baf58e9b", kill_on_drop: false }`
[INFO] [stdout] b521db5cf522399c415ece2be6c79ddd7177e763314d79dfedae39e5baf58e9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768da16a026135e8d49cda8533191846a8f56efbc229933d57d6d24c64f22e1c
[INFO] running `Command { std: "docker" "start" "-a" "768da16a026135e8d49cda8533191846a8f56efbc229933d57d6d24c64f22e1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling 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)]` 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)]` 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<K: Hash> VitualNode<K> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 46 |     fn new<Q: Into<K>>(id: u8, k: Q) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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<W: AsyncWrite> {
[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<Path>) -> 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<Path>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.68s
[INFO] running `Command { std: "docker" "inspect" "768da16a026135e8d49cda8533191846a8f56efbc229933d57d6d24c64f22e1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768da16a026135e8d49cda8533191846a8f56efbc229933d57d6d24c64f22e1c", kill_on_drop: false }`
[INFO] [stdout] 768da16a026135e8d49cda8533191846a8f56efbc229933d57d6d24c64f22e1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d253c53624016fbff47ae10f1d95bbbc3080c1678fa20d0ba0950ed7c33194a2
[INFO] running `Command { std: "docker" "start" "-a" "d253c53624016fbff47ae10f1d95bbbc3080c1678fa20d0ba0950ed7c33194a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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)]` 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<K: Hash> VitualNode<K> {
[INFO] [stdout]    | --------------------------- associated function in this implementation
[INFO] [stdout] 46 |     fn new<Q: Into<K>>(id: u8, k: Q) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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<W: AsyncWrite> {
[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<Path>) -> 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<Path>) -> Self {
[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)]` 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)]` 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<W: AsyncWrite> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 20 |     addr: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 17.11s
[INFO] running `Command { std: "docker" "inspect" "d253c53624016fbff47ae10f1d95bbbc3080c1678fa20d0ba0950ed7c33194a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d253c53624016fbff47ae10f1d95bbbc3080c1678fa20d0ba0950ed7c33194a2", kill_on_drop: false }`
[INFO] [stdout] d253c53624016fbff47ae10f1d95bbbc3080c1678fa20d0ba0950ed7c33194a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70bf82669024d08ac1413192a18065a36a78797c996711f53ecfcf34cf17ca3f
[INFO] running `Command { std: "docker" "start" "-a" "70bf82669024d08ac1413192a18065a36a78797c996711f53ecfcf34cf17ca3f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/peer.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `AtomicU64` and `Ordering`
[INFO] [stderr]  --> src/peer.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::atomic::{AtomicU64, Ordering};
[INFO] [stderr]   |                         ^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufWriter`
[INFO] [stderr]  --> src/peer.rs:9:64
[INFO] [stderr]   |
[INFO] [stderr] 9 | use tokio::io::{self, AsyncReadExt, AsyncWrite, AsyncWriteExt, BufWriter};
[INFO] [stderr]   |                                                                ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytes::Bytes`
[INFO] [stderr]  --> src/store/file.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use bytes::Bytes;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `AsyncWriteExt`
[INFO] [stderr]  --> src/store/file.rs:4:62
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tokio::io::{self, AsyncRead, AsyncReadExt, AsyncSeekExt, AsyncWriteExt, SeekFrom};
[INFO] [stderr]   |                                                              ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/protocol.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Read { key, offset, limit } => 2 + key.len() + 16,
[INFO] [stderr]    |                         ^^^^^^ help: try ignoring the field: `offset: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `limit`
[INFO] [stderr]   --> src/protocol.rs:67:33
[INFO] [stderr]    |
[INFO] [stderr] 67 |             Read { key, offset, limit } => 2 + key.len() + 16,
[INFO] [stderr]    |                                 ^^^^^ help: try ignoring the field: `limit: _`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hash.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | impl<K: Hash> VitualNode<K> {
[INFO] [stderr]    | --------------------------- associated function in this implementation
[INFO] [stderr] 46 |     fn new<Q: Into<K>>(id: u8, k: Q) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `addr` is never read
[INFO] [stderr]   --> src/peer.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct PeerInner<W: AsyncWrite> {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 20 |     addr: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `size` is never used
[INFO] [stderr]   --> src/protocol.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Operation {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn size(&self) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileSource` is never constructed
[INFO] [stderr]  --> src/source/file.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct FileSource {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/source/file.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl FileSource {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 14 |     pub fn new(base: impl AsRef<Path>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileStore` is never constructed
[INFO] [stderr]  --> src/store/file.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct FileStore {
[INFO] [stderr]   |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/store/file.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl FileStore {
[INFO] [stderr]    | -------------- associated function in this implementation
[INFO] [stderr] 13 |     pub fn new(base: impl AsRef<Path>) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `addr` is never read
[INFO] [stderr]   --> src/peer.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct PeerInner<W: AsyncWrite> {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] 20 |     addr: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `gcache` (lib) generated 14 warnings (run `cargo fix --lib -p gcache` to apply 4 suggestions)
[INFO] [stderr] warning: `gcache` (lib test) generated 9 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/gcache-2f9b1b2e8b70a3c5)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test hash::tests::test_ring_find ... ok
[INFO] [stdout] test hash::tests::test_ring ... ok
[INFO] [stdout] test protocol::tests::test_operation ... ok
[INFO] [stdout] test store::file::test::test_get ... ok
[INFO] [stdout] test source::file::test::test_get ... ok
[INFO] [stdout] test node::tests::test_node ... FAILED
[INFO] [stdout] test hash::tests::test_consistent_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- node::tests::test_node stdout ----
[INFO] [stdout] Error: Read-only file system (os error 30)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.100/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/result.rs:2079:27
[INFO] [stdout]    2: gcache::node::tests::test_node::{{closure}}
[INFO] [stdout]              at ./src/node.rs:237:17
[INFO] [stdout]    3: <core::pin::Pin<P> as core::future::future::Future>::poll
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/future/future.rs:133:9
[INFO] [stdout]    4: <core::pin::Pin<P> as core::future::future::Future>::poll
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/future/future.rs:133:9
[INFO] [stdout]    5: tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:742:70
[INFO] [stdout]    6: tokio::task::coop::with_budget
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/task/coop/mod.rs:167:5
[INFO] [stdout]    7: tokio::task::coop::budget
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/task/coop/mod.rs:133:5
[INFO] [stdout]    8: tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:742:25
[INFO] [stdout]    9: tokio::runtime::scheduler::current_thread::Context::enter
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:432:19
[INFO] [stdout]   10: tokio::runtime::scheduler::current_thread::CoreGuard::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:741:44
[INFO] [stdout]   11: tokio::runtime::scheduler::current_thread::CoreGuard::enter::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:829:68
[INFO] [stdout]   12: tokio::runtime::context::scoped::Scoped<T>::set
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   13: tokio::runtime::context::set_scheduler::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/context.rs:176:38
[INFO] [stdout]   14: std::thread::local::LocalKey<T>::try_with
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/local.rs:315:12
[INFO] [stdout]   15: std::thread::local::LocalKey<T>::with
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/local.rs:279:20
[INFO] [stdout]   16: tokio::runtime::context::set_scheduler
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/context.rs:176:17
[INFO] [stdout]   17: tokio::runtime::scheduler::current_thread::CoreGuard::enter
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:829:27
[INFO] [stdout]   18: tokio::runtime::scheduler::current_thread::CoreGuard::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:729:24
[INFO] [stdout]   19: tokio::runtime::scheduler::current_thread::CurrentThread::block_on::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:200:33
[INFO] [stdout]   20: tokio::runtime::context::runtime::enter_runtime
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   21: tokio::runtime::scheduler::current_thread::CurrentThread::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/scheduler/current_thread/mod.rs:188:9
[INFO] [stdout]   22: tokio::runtime::runtime::Runtime::block_on_inner
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/runtime.rs:356:52
[INFO] [stdout]   23: tokio::runtime::runtime::Runtime::block_on
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.47.1/src/runtime/runtime.rs:330:18
[INFO] [stdout]   24: gcache::node::tests::test_node
[INFO] [stdout]              at ./src/node.rs:320:11
[INFO] [stdout]   25: gcache::node::tests::test_node::{{closure}}
[INFO] [stdout]              at ./src/node.rs:232:29
[INFO] [stdout]   26: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:648:18
[INFO] [stdout]   29: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:74
[INFO] [stdout]   30: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   31: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   32: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   33: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   34: test::run_test_in_process
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:671:27
[INFO] [stdout]   35: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:592:43
[INFO] [stdout]   36: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/test/src/lib.rs:622:41
[INFO] [stdout]   37: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   38: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   39: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   40: std::panicking::catch_unwind::do_call
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:589:40
[INFO] [stdout]   41: std::panicking::catch_unwind
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panicking.rs:552:19
[INFO] [stdout]   42: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/panic.rs:359:14
[INFO] [stdout]   43: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   44: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   45: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   46: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   47: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   48: <unknown>
[INFO] [stdout]   49: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     node::tests::test_node
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.31s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "70bf82669024d08ac1413192a18065a36a78797c996711f53ecfcf34cf17ca3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70bf82669024d08ac1413192a18065a36a78797c996711f53ecfcf34cf17ca3f", kill_on_drop: false }`
[INFO] [stdout] 70bf82669024d08ac1413192a18065a36a78797c996711f53ecfcf34cf17ca3f
