[INFO] cloning repository https://github.com/mur6/my-redis [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mur6/my-redis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmur6%2Fmy-redis", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmur6%2Fmy-redis'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 339eeda98697ba07d8ff7c6d968e4f252116125f [INFO] testing mur6/my-redis against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmur6%2Fmy-redis" "/workspace/builds/worker-15/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mur6/my-redis on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mur6/my-redis [INFO] finished tweaking git repo https://github.com/mur6/my-redis [INFO] tweaked toml for git repo https://github.com/mur6/my-redis written to /workspace/builds/worker-15/source/Cargo.toml [INFO] crate git repo https://github.com/mur6/my-redis already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2d968307c4c25ff8795e78c27fb9459d1707f4b84d055b0ca4a5aca4e02c1d3 [INFO] running `Command { std: "docker" "start" "-a" "d2d968307c4c25ff8795e78c27fb9459d1707f4b84d055b0ca4a5aca4e02c1d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2d968307c4c25ff8795e78c27fb9459d1707f4b84d055b0ca4a5aca4e02c1d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2d968307c4c25ff8795e78c27fb9459d1707f4b84d055b0ca4a5aca4e02c1d3", kill_on_drop: false }` [INFO] [stdout] d2d968307c4c25ff8795e78c27fb9459d1707f4b84d055b0ca4a5aca4e02c1d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23adaca24103acac8cb4590cc4edf8e017f6752b75cc11e9f7f789bc4f426b2f [INFO] running `Command { std: "docker" "start" "-a" "23adaca24103acac8cb4590cc4edf8e017f6752b75cc11e9f7f789bc4f426b2f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.58 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling log v0.4.13 [INFO] [stderr] Compiling pin-project-lite v0.2.4 [INFO] [stderr] Compiling serde v1.0.119 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling regex-syntax v0.6.22 [INFO] [stderr] Compiling pin-project-internal v0.4.27 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling itoa v0.4.7 [INFO] [stderr] Compiling futures-core v0.3.11 [INFO] [stderr] Compiling tracing-core v0.1.17 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio v1.0.2 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling sharded-slab v0.1.1 [INFO] [stderr] Compiling thread_local v1.1.0 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling atoi v0.3.3 [INFO] [stderr] Compiling tracing-log v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling mio v0.7.7 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling regex v1.4.3 [INFO] [stderr] Compiling matchers v0.0.1 [INFO] [stderr] Compiling tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling tokio-macros v1.0.0 [INFO] [stderr] Compiling async-stream-impl v0.3.0 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling async-stream v0.3.0 [INFO] [stderr] Compiling tracing v0.1.22 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling pin-project v0.4.27 [INFO] [stderr] Compiling tracing-subscriber v0.2.15 [INFO] [stderr] Compiling tracing-futures v0.2.4 [INFO] [stderr] Compiling tokio-stream v0.1.2 [INFO] [stderr] Compiling mini-redis v0.4.0 [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.97s [INFO] running `Command { std: "docker" "inspect" "23adaca24103acac8cb4590cc4edf8e017f6752b75cc11e9f7f789bc4f426b2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23adaca24103acac8cb4590cc4edf8e017f6752b75cc11e9f7f789bc4f426b2f", kill_on_drop: false }` [INFO] [stdout] 23adaca24103acac8cb4590cc4edf8e017f6752b75cc11e9f7f789bc4f426b2f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7237955194f1032b6f003c9668f19b88a9a14fc94bc0bbc72c4ca88823b367fa [INFO] running `Command { std: "docker" "start" "-a" "7237955194f1032b6f003c9668f19b88a9a14fc94bc0bbc72c4ca88823b367fa", kill_on_drop: false }` [INFO] [stderr] Compiling my-redis v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mini_redis::client` [INFO] [stdout] --> examples/channel.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use mini_redis::client; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t1` [INFO] [stdout] --> examples/channel.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let t1 = tokio::spawn(async move { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t2` [INFO] [stdout] --> examples/channel.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let t2 = tokio::spawn(async move { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/channel.rs:19:10 [INFO] [stdout] | [INFO] [stdout] 19 | let (mut tx, mut rx) = mpsc::channel(32); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/channel.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let mut tx2 = tx.clone(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Get` [INFO] [stdout] --> examples/channel.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | / Get { [INFO] [stdout] 8 | | key: String, [INFO] [stdout] 9 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Set` [INFO] [stdout] --> examples/channel.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | / Set { [INFO] [stdout] 11 | | key: String, [INFO] [stdout] 12 | | val: Bytes, [INFO] [stdout] 13 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/channel.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | tx.send("hello").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/channel.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | tx2.send("foo").await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "7237955194f1032b6f003c9668f19b88a9a14fc94bc0bbc72c4ca88823b367fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7237955194f1032b6f003c9668f19b88a9a14fc94bc0bbc72c4ca88823b367fa", kill_on_drop: false }` [INFO] [stdout] 7237955194f1032b6f003c9668f19b88a9a14fc94bc0bbc72c4ca88823b367fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5ed0bfc8ba746a4a1366d2111440d2c37782b7e13a45244329562b8c67feae38 [INFO] running `Command { std: "docker" "start" "-a" "5ed0bfc8ba746a4a1366d2111440d2c37782b7e13a45244329562b8c67feae38", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `mini_redis::client` [INFO] [stderr] --> examples/channel.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use mini_redis::client; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t1` [INFO] [stderr] --> examples/channel.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let t1 = tokio::spawn(async move { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t2` [INFO] [stderr] --> examples/channel.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let t2 = tokio::spawn(async move { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/channel.rs:19:10 [INFO] [stderr] | [INFO] [stderr] 19 | let (mut tx, mut rx) = mpsc::channel(32); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/channel.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut tx2 = tx.clone(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Get` [INFO] [stderr] --> examples/channel.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | / Get { [INFO] [stderr] 8 | | key: String, [INFO] [stderr] 9 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Set` [INFO] [stderr] --> examples/channel.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | / Set { [INFO] [stderr] 11 | | key: String, [INFO] [stderr] 12 | | val: Bytes, [INFO] [stderr] 13 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/channel.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | tx.send("hello").await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> examples/channel.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | tx2.send("foo").await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `my-redis` (example "channel") generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/my_redis-b44ba158ee1a239a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5ed0bfc8ba746a4a1366d2111440d2c37782b7e13a45244329562b8c67feae38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ed0bfc8ba746a4a1366d2111440d2c37782b7e13a45244329562b8c67feae38", kill_on_drop: false }` [INFO] [stdout] 5ed0bfc8ba746a4a1366d2111440d2c37782b7e13a45244329562b8c67feae38