[INFO] cloning repository https://github.com/jmlb23/MyKVDB [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmlb23/MyKVDB" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmlb23%2FMyKVDB", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmlb23%2FMyKVDB'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8402d632136f56c5e2d8a0884b02797f54f20a2b [INFO] testing jmlb23/MyKVDB against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmlb23%2FMyKVDB" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jmlb23/MyKVDB 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/jmlb23/MyKVDB [INFO] finished tweaking git repo https://github.com/jmlb23/MyKVDB [INFO] tweaked toml for git repo https://github.com/jmlb23/MyKVDB written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/jmlb23/MyKVDB 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1967fea2ba7e4c1c7159d3bf71bd18751d9eb55eb8dfe983a46acc3796e8af89 [INFO] running `Command { std: "docker" "start" "-a" "1967fea2ba7e4c1c7159d3bf71bd18751d9eb55eb8dfe983a46acc3796e8af89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1967fea2ba7e4c1c7159d3bf71bd18751d9eb55eb8dfe983a46acc3796e8af89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1967fea2ba7e4c1c7159d3bf71bd18751d9eb55eb8dfe983a46acc3796e8af89", kill_on_drop: false }` [INFO] [stdout] 1967fea2ba7e4c1c7159d3bf71bd18751d9eb55eb8dfe983a46acc3796e8af89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6c136f5363a23c97c617b480864434f09f656ab53e08710f158057a2a461eadd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6c136f5363a23c97c617b480864434f09f656ab53e08710f158057a2a461eadd", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling serde_derive v1.0.131 [INFO] [stderr] Compiling futures-sink v0.3.18 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling futures v0.1.31 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling socket2 v0.4.2 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling globset v0.4.8 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling futures-executor v0.3.18 [INFO] [stderr] Compiling hyper v0.14.15 [INFO] [stderr] Compiling futures v0.3.18 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Compiling proc-macro-crate v0.1.5 [INFO] [stderr] Compiling jsonrpc-core v18.0.0 [INFO] [stderr] Compiling jsonrpc-derive v18.0.0 [INFO] [stderr] Compiling jsonrpc-pubsub v18.0.0 [INFO] [stderr] Compiling jsonrpc-server-utils v18.0.0 [INFO] [stderr] Compiling jsonrpc-client-transports v18.0.0 [INFO] [stderr] Compiling jsonrpc-http-server v18.0.0 [INFO] [stderr] Compiling jsonrpc-core-client v18.0.0 [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/api.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | &self.store.remove(&key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = &self.store.remove(&key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/api.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | &self.store.insert(&key, &new_value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 47 | let _ = &self.store.insert(&key, &new_value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | / &self [INFO] [stdout] 18 | | .store [INFO] [stdout] 19 | | .try_lock().expect("Can't write") [INFO] [stdout] 20 | | .insert(key.to_owned(), (value.to_owned(), None)); [INFO] [stdout] | |_____________________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = &self [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | / &self.store.try_lock().expect("Can't write").insert( [INFO] [stdout] 25 | | key.to_owned(), [INFO] [stdout] 26 | | (value.to_owned(), Some(epoch() + u64::from(ttl))), [INFO] [stdout] 27 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = &self.store.try_lock().expect("Can't write").insert( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | &store.remove(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = &store.remove(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 56s [INFO] running `Command { std: "docker" "inspect" "6c136f5363a23c97c617b480864434f09f656ab53e08710f158057a2a461eadd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c136f5363a23c97c617b480864434f09f656ab53e08710f158057a2a461eadd", kill_on_drop: false }` [INFO] [stdout] 6c136f5363a23c97c617b480864434f09f656ab53e08710f158057a2a461eadd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e6b3259e704efb20cfd1e20567c605c1dfc4f05bf473181d310bfa7acd567214 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e6b3259e704efb20cfd1e20567c605c1dfc4f05bf473181d310bfa7acd567214", kill_on_drop: false }` [INFO] [stderr] Compiling server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/api.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | &self.store.remove(&key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = &self.store.remove(&key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/api.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | &self.store.insert(&key, &new_value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 47 | let _ = &self.store.insert(&key, &new_value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | / &self [INFO] [stdout] 18 | | .store [INFO] [stdout] 19 | | .try_lock().expect("Can't write") [INFO] [stdout] 20 | | .insert(key.to_owned(), (value.to_owned(), None)); [INFO] [stdout] | |_____________________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = &self [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | / &self.store.try_lock().expect("Can't write").insert( [INFO] [stdout] 25 | | key.to_owned(), [INFO] [stdout] 26 | | (value.to_owned(), Some(epoch() + u64::from(ttl))), [INFO] [stdout] 27 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = &self.store.try_lock().expect("Can't write").insert( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | &store.remove(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = &store.remove(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/api.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | &self.store.remove(&key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 46 | let _ = &self.store.remove(&key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/api.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | &self.store.insert(&key, &new_value); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 47 | let _ = &self.store.insert(&key, &new_value); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | / &self [INFO] [stdout] 18 | | .store [INFO] [stdout] 19 | | .try_lock().expect("Can't write") [INFO] [stdout] 20 | | .insert(key.to_owned(), (value.to_owned(), None)); [INFO] [stdout] | |_____________________________________________________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = &self [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | / &self.store.try_lock().expect("Can't write").insert( [INFO] [stdout] 25 | | key.to_owned(), [INFO] [stdout] 26 | | (value.to_owned(), Some(epoch() + u64::from(ttl))), [INFO] [stdout] 27 | | ); [INFO] [stdout] | |_________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 24 | let _ = &self.store.try_lock().expect("Can't write").insert( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 30 | let _ = &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib/store_api.rs:49:25 [INFO] [stdout] | [INFO] [stdout] 49 | &store.remove(key); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = &store.remove(key); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `Command { std: "docker" "inspect" "e6b3259e704efb20cfd1e20567c605c1dfc4f05bf473181d310bfa7acd567214", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b3259e704efb20cfd1e20567c605c1dfc4f05bf473181d310bfa7acd567214", kill_on_drop: false }` [INFO] [stdout] e6b3259e704efb20cfd1e20567c605c1dfc4f05bf473181d310bfa7acd567214 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 5e80872b52798f166aa9eacca2abe1e8b9d70e335a636575607cfe7af300d169 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5e80872b52798f166aa9eacca2abe1e8b9d70e335a636575607cfe7af300d169", kill_on_drop: false }` [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib/api.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | &self.store.remove(&key); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 46 | let _ = &self.store.remove(&key); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib/api.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | &self.store.insert(&key, &new_value); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 47 | let _ = &self.store.insert(&key, &new_value); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib/store_api.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | / &self [INFO] [stderr] 18 | | .store [INFO] [stderr] 19 | | .try_lock().expect("Can't write") [INFO] [stderr] 20 | | .insert(key.to_owned(), (value.to_owned(), None)); [INFO] [stderr] | |_____________________________________________________________^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 17 | let _ = &self [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib/store_api.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | / &self.store.try_lock().expect("Can't write").insert( [INFO] [stderr] 25 | | key.to_owned(), [INFO] [stderr] 26 | | (value.to_owned(), Some(epoch() + u64::from(ttl))), [INFO] [stderr] 27 | | ); [INFO] [stderr] | |_________^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 24 | let _ = &self.store.try_lock().expect("Can't write").insert( [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib/store_api.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 30 | let _ = &self.store.try_lock().expect("Can't write").remove(key); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/lib/store_api.rs:49:25 [INFO] [stderr] | [INFO] [stderr] 49 | &store.remove(key); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 49 | let _ = &store.remove(key); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `server` (lib) generated 6 warnings [INFO] [stderr] warning: `server` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/api-fe7d823cf7e7aba3) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/server-b5ad7ee4373b8286) [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] [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] [stderr] Doc-tests api [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" "5e80872b52798f166aa9eacca2abe1e8b9d70e335a636575607cfe7af300d169", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e80872b52798f166aa9eacca2abe1e8b9d70e335a636575607cfe7af300d169", kill_on_drop: false }` [INFO] [stdout] 5e80872b52798f166aa9eacca2abe1e8b9d70e335a636575607cfe7af300d169