[INFO] fetching crate ups-low-battery-level 0.1.1... [INFO] checking ups-low-battery-level-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ups-low-battery-level 0.1.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate ups-low-battery-level 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ups-low-battery-level 0.1.1 [INFO] finished tweaking crates.io crate ups-low-battery-level 0.1.1 [INFO] tweaked toml for crates.io crate ups-low-battery-level 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate ups-low-battery-level 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded instant v0.1.11 [INFO] [stderr] Downloaded openssl-sys v0.9.67 [INFO] [stderr] Downloaded phf v0.10.0 [INFO] [stderr] Downloaded futures-sink v0.3.17 [INFO] [stderr] Downloaded online v3.0.1 [INFO] [stderr] Downloaded postgres v0.19.2 [INFO] [stderr] Downloaded futures-executor v0.3.17 [INFO] [stderr] Downloaded futures v0.3.17 [INFO] [stderr] Downloaded siphasher v0.3.7 [INFO] [stderr] Downloaded tokio-postgres v0.7.3 [INFO] [stderr] Downloaded tokio-util v0.6.8 [INFO] [stderr] Downloaded h2 v0.3.6 [INFO] [stderr] Downloaded object v0.26.2 [INFO] [stderr] Downloaded libc v0.2.103 [INFO] [stderr] Downloaded tokio v1.12.0 [INFO] [stderr] Downloaded hyper v0.14.13 [INFO] [stderr] Downloaded syn v1.0.80 [INFO] [stderr] Downloaded reqwest v0.11.5 [INFO] [stderr] Downloaded serde_json v1.0.68 [INFO] [stderr] Downloaded bumpalo v3.7.1 [INFO] [stderr] Downloaded postgres-protocol v0.6.2 [INFO] [stderr] Downloaded postgres-types v0.2.2 [INFO] [stderr] Downloaded 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"/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45829913e59a45b83528f20500d0ba2b23e30820eefae3baa1bea6ae649038f4 [INFO] running `Command { std: "docker" "start" "-a" "45829913e59a45b83528f20500d0ba2b23e30820eefae3baa1bea6ae649038f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45829913e59a45b83528f20500d0ba2b23e30820eefae3baa1bea6ae649038f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45829913e59a45b83528f20500d0ba2b23e30820eefae3baa1bea6ae649038f4", kill_on_drop: false }` [INFO] [stdout] 45829913e59a45b83528f20500d0ba2b23e30820eefae3baa1bea6ae649038f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dcf222b5993b5327979816f42b32c00d5fa0364788009bf50bfac427c54934f [INFO] running `Command { std: "docker" "start" "-a" "2dcf222b5993b5327979816f42b32c00d5fa0364788009bf50bfac427c54934f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling cc v1.0.71 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling pkg-config v0.3.20 [INFO] [stderr] Checking tinyvec v1.5.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking futures-io v0.3.17 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling openssl v0.10.36 [INFO] [stderr] Checking ppv-lite86 v0.2.14 [INFO] [stderr] Compiling openssl-sys v0.9.67 [INFO] [stderr] Checking crypto-mac v0.11.1 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking sha2 v0.9.8 [INFO] [stderr] Checking hmac v0.11.0 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking tracing v0.1.29 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking md-5 v0.9.1 [INFO] [stderr] Checking instant v0.1.11 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Compiling serde v1.0.130 [INFO] 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[stderr] Checking h2 v0.3.6 [INFO] [stderr] Checking futures-executor v0.3.17 [INFO] [stderr] Checking futures v0.3.17 [INFO] [stderr] Checking tokio-postgres v0.7.3 [INFO] [stderr] Checking postgres v0.19.2 [INFO] [stderr] Checking hyper v0.14.13 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking reqwest v0.11.5 [INFO] [stderr] Checking ups-low-battery-level v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | event_ups_low_battery_level(); [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] 143 | let _ = event_ups_low_battery_level(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | log_ups_low_battery_level(); [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] 144 | let _ = log_ups_low_battery_level(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | log_send_sms_ups_low_battery_level(); [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] 152 | let _ = log_send_sms_ups_low_battery_level(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | log_server_err(); [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] 156 | let _ = log_server_err(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | log_request_status_err(); [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] 160 | let _ = log_request_status_err(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | log_internet_err(); [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] 166 | let _ = log_internet_err(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:143:5 [INFO] [stdout] | [INFO] [stdout] 143 | event_ups_low_battery_level(); [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] 143 | let _ = event_ups_low_battery_level(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 144 | log_ups_low_battery_level(); [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] 144 | let _ = log_ups_low_battery_level(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:152:13 [INFO] [stdout] | [INFO] [stdout] 152 | log_send_sms_ups_low_battery_level(); [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] 152 | let _ = log_send_sms_ups_low_battery_level(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:156:13 [INFO] [stdout] | [INFO] [stdout] 156 | log_server_err(); [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] 156 | let _ = log_server_err(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:160:13 [INFO] [stdout] | [INFO] [stdout] 160 | log_request_status_err(); [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] 160 | let _ = log_request_status_err(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | log_internet_err(); [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] 166 | let _ = log_internet_err(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.47s [INFO] running `Command { std: "docker" "inspect" "2dcf222b5993b5327979816f42b32c00d5fa0364788009bf50bfac427c54934f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dcf222b5993b5327979816f42b32c00d5fa0364788009bf50bfac427c54934f", kill_on_drop: false }` [INFO] [stdout] 2dcf222b5993b5327979816f42b32c00d5fa0364788009bf50bfac427c54934f