[INFO] cloning repository https://github.com/Topi99/redis-copy-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Topi99/redis-copy-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopi99%2Fredis-copy-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopi99%2Fredis-copy-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 06725360fe911590416cc75899f85e96379e3d5b
[INFO] checking Topi99/redis-copy-rs/06725360fe911590416cc75899f85e96379e3d5b against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTopi99%2Fredis-copy-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Topi99/redis-copy-rs 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 git repo https://github.com/Topi99/redis-copy-rs
[INFO] finished tweaking git repo https://github.com/Topi99/redis-copy-rs
[INFO] tweaked toml for git repo https://github.com/Topi99/redis-copy-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Topi99/redis-copy-rs already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded tracing-attributes v0.1.23
[INFO] [stderr]   Downloaded once_cell v1.15.0
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[INFO] [stderr]   Downloaded tracing-subscriber v0.3.16
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded tokio v1.21.1
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dc16403c42c75aace829c4976b58d122e1451165458cddcfc03ecd0f6e4f37e2
[INFO] running `Command { std: "docker" "start" "-a" "dc16403c42c75aace829c4976b58d122e1451165458cddcfc03ecd0f6e4f37e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc16403c42c75aace829c4976b58d122e1451165458cddcfc03ecd0f6e4f37e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc16403c42c75aace829c4976b58d122e1451165458cddcfc03ecd0f6e4f37e2", kill_on_drop: false }`
[INFO] [stdout] dc16403c42c75aace829c4976b58d122e1451165458cddcfc03ecd0f6e4f37e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 864e9ee91bfc900e2ea1b51cdc3507a751ce13bc1e30566056042f8152814841
[INFO] running `Command { std: "docker" "start" "-a" "864e9ee91bfc900e2ea1b51cdc3507a751ce13bc1e30566056042f8152814841", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.100
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[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling tokio v1.21.1
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
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[INFO] [stderr]     Checking socket2 v0.4.7
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[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking redis-copy-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]  --> src/server.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{BytesMut};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt`, `BufReader`, and `BufWriter`
[INFO] [stdout]  --> src/server.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |   io::{BufReader, AsyncReadExt, BufWriter},
[INFO] [stdout]   |        ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BytesMut`
[INFO] [stdout]  --> src/server.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{BytesMut};
[INFO] [stdout]   |             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncReadExt`, `BufReader`, and `BufWriter`
[INFO] [stdout]  --> src/server.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 |   io::{BufReader, AsyncReadExt, BufWriter},
[INFO] [stdout]   |        ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shared` is never read
[INFO] [stdout]   --> src/db.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 12 |   shared: Arc<Shared>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Db` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `shared` is never read
[INFO] [stdout]   --> src/db.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Db {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 12 |   shared: Arc<Shared>,
[INFO] [stdout]    |   ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Db` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/db.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Shared {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |   state: Mutex<State>,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shared` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `state` is never read
[INFO] [stdout]   --> src/db.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Shared {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 17 |   state: Mutex<State>,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Shared` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> src/db.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |   entries: HashMap<String, Entry>,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/db.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Entry {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |   data: Bytes,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `entries` is never read
[INFO] [stdout]   --> src/db.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct State {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |   entries: HashMap<String, Entry>,
[INFO] [stdout]    |   ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `State` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/db.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Entry {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 27 |   data: Bytes,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Entry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `set` are never used
[INFO] [stdout]   --> src/db.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Db {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |   pub(crate) fn get(&self, key: &str) -> Option<Bytes> {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |   pub(crate) fn set(&self, key: String, data: Bytes) {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]   --> src/server.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Handler {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 33 |   db: Db,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `set` are never used
[INFO] [stdout]   --> src/db.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl Db {
[INFO] [stdout]    | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |   pub(crate) fn get(&self, key: &str) -> Option<Bytes> {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |   pub(crate) fn set(&self, key: String, data: Bytes) {
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]   --> src/server.rs:33:3
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Handler {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 33 |   db: Db,
[INFO] [stdout]    |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "864e9ee91bfc900e2ea1b51cdc3507a751ce13bc1e30566056042f8152814841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864e9ee91bfc900e2ea1b51cdc3507a751ce13bc1e30566056042f8152814841", kill_on_drop: false }`
[INFO] [stdout] 864e9ee91bfc900e2ea1b51cdc3507a751ce13bc1e30566056042f8152814841