[INFO] fetching crate ups-low-battery-level 0.1.1...
[INFO] checking ups-low-battery-level-0.1.1 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] extracting crate ups-low-battery-level 0.1.1 into /workspace/builds/worker-1-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ups-low-battery-level 0.1.1 on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d71597dd82cdb0cccb4aa8218d289d3ca3fd63fc00ca4e1cedc30e979e8e326
[INFO] running `Command { std: "docker" "start" "-a" "7d71597dd82cdb0cccb4aa8218d289d3ca3fd63fc00ca4e1cedc30e979e8e326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d71597dd82cdb0cccb4aa8218d289d3ca3fd63fc00ca4e1cedc30e979e8e326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d71597dd82cdb0cccb4aa8218d289d3ca3fd63fc00ca4e1cedc30e979e8e326", kill_on_drop: false }`
[INFO] [stdout] 7d71597dd82cdb0cccb4aa8218d289d3ca3fd63fc00ca4e1cedc30e979e8e326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a61d4660755e8ec1742be7b47fde38aaa4f13272461bf79be098307d9bb2343a
[INFO] running `Command { std: "docker" "start" "-a" "a61d4660755e8ec1742be7b47fde38aaa4f13272461bf79be098307d9bb2343a", kill_on_drop: false }`
[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-util v0.3.17
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking stringprep v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tokio v1.12.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking phf v0.10.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking online v3.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking postgres-protocol v0.6.2
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling native-tls v0.2.8
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[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking h2 v0.3.6
[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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s
[INFO] running `Command { std: "docker" "inspect" "a61d4660755e8ec1742be7b47fde38aaa4f13272461bf79be098307d9bb2343a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a61d4660755e8ec1742be7b47fde38aaa4f13272461bf79be098307d9bb2343a", kill_on_drop: false }`
[INFO] [stdout] a61d4660755e8ec1742be7b47fde38aaa4f13272461bf79be098307d9bb2343a