[INFO] cloning repository https://github.com/Wizdave97/redis-bitcask [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wizdave97/redis-bitcask" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWizdave97%2Fredis-bitcask", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWizdave97%2Fredis-bitcask'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e5214c8f5e0ddfa01467485dc9f21047250dd5e0 [INFO] checking Wizdave97/redis-bitcask against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWizdave97%2Fredis-bitcask" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Wizdave97/redis-bitcask [INFO] finished tweaking git repo https://github.com/Wizdave97/redis-bitcask [INFO] tweaked toml for git repo https://github.com/Wizdave97/redis-bitcask written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Wizdave97/redis-bitcask on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Wizdave97/redis-bitcask 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio v1.6.1 [INFO] [stderr] Downloaded crc v1.8.1 [INFO] [stderr] Downloaded tokio-stream v0.1.6 [INFO] [stderr] Downloaded build_const v0.2.2 [INFO] [stderr] Downloaded tokio-macros v1.2.0 [INFO] [stderr] Downloaded mini-redis v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b7141585cda365b1a77c753f63f6c05f98cb8d76f8e36b54ee11c54e2f8d572 [INFO] running `Command { std: "docker" "start" "-a" "4b7141585cda365b1a77c753f63f6c05f98cb8d76f8e36b54ee11c54e2f8d572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b7141585cda365b1a77c753f63f6c05f98cb8d76f8e36b54ee11c54e2f8d572", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b7141585cda365b1a77c753f63f6c05f98cb8d76f8e36b54ee11c54e2f8d572", kill_on_drop: false }` [INFO] [stdout] 4b7141585cda365b1a77c753f63f6c05f98cb8d76f8e36b54ee11c54e2f8d572 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93627caab7a2c84b28da7a8e0c4d4ec49b91c313c72e579d0733d6f3c3af13af [INFO] running `Command { std: "docker" "start" "-a" "93627caab7a2c84b28da7a8e0c4d4ec49b91c313c72e579d0733d6f3c3af13af", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling libc v0.2.96 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling tokio v1.6.1 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking num-integer v0.1.44 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Compiling build_const v0.2.2 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Checking atoi v0.3.3 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling tokio-macros v1.2.0 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tracing-subscriber v0.2.18 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking tokio-stream v0.1.6 [INFO] [stderr] Checking mini-redis v0.4.0 [INFO] [stderr] Checking file-storage v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: taking a mutable reference to a `const` item [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | INPUT.read_to_end(&mut buffer).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: each usage of a `const` item creates a new temporary [INFO] [stdout] = note: the mutable reference will refer to this temporary, not the original `const` item [INFO] [stdout] note: mutable reference created due to call to this method [INFO] [stdout] --> /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/std/src/io/mod.rs:935:4 [INFO] [stdout] note: `const` item defined here [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | const INPUT: &'static [u8] = br#" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(const_item_mutation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: taking a mutable reference to a `const` item [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | INPUT.read_to_end(&mut buffer).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: each usage of a `const` item creates a new temporary [INFO] [stdout] = note: the mutable reference will refer to this temporary, not the original `const` item [INFO] [stdout] note: mutable reference created due to call to this method [INFO] [stdout] --> /rustc/bca37a20bd376ce3fd138e7cdee7fe704e0f8814/library/std/src/io/mod.rs:935:4 [INFO] [stdout] note: `const` item defined here [INFO] [stdout] --> src/main.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | const INPUT: &'static [u8] = br#" [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(const_item_mutation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | let (tx, mut rx) = sync::oneshot::channel(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:53:18 [INFO] [stdout] | [INFO] [stdout] 53 | let (tx, mut rx) = sync::oneshot::channel(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | let (tx, mut rx) = sync::oneshot::channel(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/client.rs:53:18 [INFO] [stdout] | [INFO] [stdout] 53 | let (tx, mut rx) = sync::oneshot::channel(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | resp.send(res); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = resp.send(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.47s [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:37:21 [INFO] [stdout] | [INFO] [stdout] 37 | resp.send(res); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = resp.send(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | tx1.send(Command::Get{key: "hello", resp: tx}).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 45 | let _ = tx1.send(Command::Get{key: "hello", resp: tx}).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | tx2.send(Command::Set{key: "foo", value: "bar".to_string(), resp: tx}).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = tx2.send(Command::Set{key: "foo", value: "bar".to_string(), resp: tx}).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:32:21 [INFO] [stdout] | [INFO] [stdout] 32 | resp.send(res); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 32 | let _ = resp.send(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:37:21 [INFO] [stdout] | [INFO] [stdout] 37 | resp.send(res); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = resp.send(res); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | tx1.send(Command::Get{key: "hello", resp: tx}).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 45 | let _ = tx1.send(Command::Get{key: "hello", resp: tx}).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | tx2.send(Command::Set{key: "foo", value: "bar".to_string(), resp: tx}).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 54 | let _ = tx2.send(Command::Set{key: "foo", value: "bar".to_string(), resp: tx}).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "93627caab7a2c84b28da7a8e0c4d4ec49b91c313c72e579d0733d6f3c3af13af", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93627caab7a2c84b28da7a8e0c4d4ec49b91c313c72e579d0733d6f3c3af13af", kill_on_drop: false }` [INFO] [stdout] 93627caab7a2c84b28da7a8e0c4d4ec49b91c313c72e579d0733d6f3c3af13af