[INFO] fetching crate cf 0.0.10... [INFO] checking cf-0.0.10 against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2 [INFO] extracting crate cf 0.0.10 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate cf 0.0.10 on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cf 0.0.10 [INFO] finished tweaking crates.io crate cf 0.0.10 [INFO] tweaked toml for crates.io crate cf 0.0.10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate cf 0.0.10 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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v1.10.0 [INFO] [stderr] Downloaded redox_syscall v0.2.10 [INFO] [stderr] Downloaded futures-sink v0.3.19 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.78 [INFO] [stderr] Downloaded openssl-probe v0.1.4 [INFO] [stderr] Downloaded quote v1.0.14 [INFO] [stderr] Downloaded num-integer v0.1.44 [INFO] [stderr] Downloaded tokio-native-tls v0.3.0 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.78 [INFO] [stderr] Downloaded futures-channel v0.3.19 [INFO] [stderr] Downloaded socket2 v0.4.2 [INFO] [stderr] Downloaded tracing v0.1.29 [INFO] [stderr] Downloaded pkg-config v0.3.24 [INFO] [stderr] Downloaded tracing-core v0.1.21 [INFO] [stderr] Downloaded reqwest v0.11.8 [INFO] [stderr] Downloaded futures-util v0.3.19 [INFO] [stderr] Downloaded h2 v0.3.10 [INFO] [stderr] Downloaded openssl v0.10.38 [INFO] [stderr] Downloaded syn v1.0.85 [INFO] [stderr] Downloaded hyper v0.14.16 [INFO] [stderr] Downloaded wasm-bindgen v0.2.78 [INFO] [stderr] Downloaded serde_json v1.0.74 [INFO] [stderr] Downloaded ntapi v0.3.6 [INFO] [stderr] Downloaded serde v1.0.133 [INFO] [stderr] Downloaded mio v0.7.14 [INFO] [stderr] Downloaded tokio v1.15.0 [INFO] [stderr] Downloaded schannel v0.1.19 [INFO] [stderr] Downloaded js-sys v0.3.55 [INFO] [stderr] Downloaded cc v1.0.72 [INFO] [stderr] Downloaded openssl-sys v0.9.72 [INFO] [stderr] Downloaded libc v0.2.112 [INFO] [stderr] Downloaded serde_derive v1.0.133 [INFO] [stderr] Downloaded web-sys v0.3.55 [INFO] [stderr] Downloaded httparse v1.5.1 [INFO] [stderr] Downloaded ipnet v2.3.1 [INFO] [stderr] Downloaded core-foundation v0.9.2 [INFO] [stderr] Downloaded tempfile v3.2.0 [INFO] [stderr] Downloaded native-tls v0.2.8 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.78 [INFO] [stderr] Downloaded winreg v0.7.0 [INFO] [stderr] Downloaded once_cell v1.9.0 [INFO] [stderr] Downloaded tokio-macros v1.8.2 [INFO] [stderr] Downloaded futures-io v0.3.19 [INFO] [stderr] Downloaded futures-task v0.3.19 [INFO] [stderr] Downloaded futures-core v0.3.19 [INFO] [stderr] Downloaded encoding_rs v0.8.30 [INFO] [stderr] Downloaded serde_urlencoded v0.7.0 [INFO] [stderr] Downloaded sha1 v0.2.0 [INFO] [stderr] Downloaded security-framework v2.4.2 [INFO] [stderr] Downloaded security-framework-sys v2.4.2 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.28 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.78 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec45d18500d989ede37b63efac111fb11a15c20cdacdf207a387be0607dd1888 [INFO] running `Command { std: "docker" "start" "-a" "ec45d18500d989ede37b63efac111fb11a15c20cdacdf207a387be0607dd1888", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec45d18500d989ede37b63efac111fb11a15c20cdacdf207a387be0607dd1888", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec45d18500d989ede37b63efac111fb11a15c20cdacdf207a387be0607dd1888", kill_on_drop: false }` [INFO] [stdout] ec45d18500d989ede37b63efac111fb11a15c20cdacdf207a387be0607dd1888 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6085480620c3a3ee78e49948799b1fdd3eadf669999bf62a9e4b2fcc676b4293 [INFO] running `Command { std: "docker" "start" "-a" "6085480620c3a3ee78e49948799b1fdd3eadf669999bf62a9e4b2fcc676b4293", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling futures-core v0.3.19 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling futures-task v0.3.19 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-util v0.3.19 [INFO] [stderr] Compiling serde_derive v1.0.133 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Checking futures-sink v0.3.19 [INFO] [stderr] Compiling futures-channel v0.3.19 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking futures-io v0.3.19 [INFO] [stderr] Checking openssl-probe v0.1.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Compiling serde_json v1.0.74 [INFO] [stderr] Checking combine v4.6.4 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking sha1 v0.2.0 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Compiling async-trait v0.1.53 [INFO] [stderr] Checking tokio v1.15.0 [INFO] [stderr] Checking redis v0.21.5 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.10 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.8 [INFO] [stderr] Checking cf v0.0.10 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | db.sadd("hello", "world"); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 6 | let _ = db.sadd("hello", "world"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | db.sadd("hello", "good"); [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] 7 | let _ = db.sadd("hello", "good"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | db.sclear("hello"); [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] 11 | let _ = db.sclear("hello"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | db.set("hello", "world"); [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] 12 | let _ = db.set("hello", "world"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | db.sadd("hello", "world"); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 6 | let _ = db.sadd("hello", "world"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | db.sadd("hello", "good"); [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] 7 | let _ = db.sadd("hello", "good"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | db.sclear("hello"); [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] 11 | let _ = db.sclear("hello"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | db.set("hello", "world"); [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] 12 | let _ = db.set("hello", "world"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.94s [INFO] running `Command { std: "docker" "inspect" "6085480620c3a3ee78e49948799b1fdd3eadf669999bf62a9e4b2fcc676b4293", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6085480620c3a3ee78e49948799b1fdd3eadf669999bf62a9e4b2fcc676b4293", kill_on_drop: false }` [INFO] [stdout] 6085480620c3a3ee78e49948799b1fdd3eadf669999bf62a9e4b2fcc676b4293