[INFO] cloning repository https://github.com/laser/rust-adafruit-bonnet-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laser/rust-adafruit-bonnet-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaser%2Frust-adafruit-bonnet-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaser%2Frust-adafruit-bonnet-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6a3dc92fecbfdf2337acc2a77211d8c0627ab6bf [INFO] checking laser/rust-adafruit-bonnet-playground/6a3dc92fecbfdf2337acc2a77211d8c0627ab6bf against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaser%2Frust-adafruit-bonnet-playground" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/laser/rust-adafruit-bonnet-playground on toolchain 5518eaa946291f00471af8b254b2a1715f234882 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config [INFO] started tweaking git repo https://github.com/laser/rust-adafruit-bonnet-playground [INFO] finished tweaking git repo https://github.com/laser/rust-adafruit-bonnet-playground [INFO] tweaked toml for git repo https://github.com/laser/rust-adafruit-bonnet-playground written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/laser/rust-adafruit-bonnet-playground 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/laser/linux-embedded-hal` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/laser/rust-i2cdev` [INFO] [stderr] Updating git repository `https://github.com/nix-rust/nix/` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinytga v0.1.0 [INFO] [stderr] Downloaded digest v0.8.0 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded data-encoding v2.1.2 [INFO] [stderr] Downloaded md5 v0.6.1 [INFO] [stderr] Downloaded opaque-debug v0.2.2 [INFO] [stderr] Downloaded block-padding v0.1.4 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] [stderr] Downloaded sysfs_gpio v0.5.4 [INFO] [stderr] Downloaded sha-1 v0.8.1 [INFO] [stderr] Downloaded humantime v1.2.0 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded serde v1.0.92 [INFO] [stderr] Downloaded pest v2.1.1 [INFO] [stderr] Downloaded webpki-roots v0.16.0 [INFO] [stderr] Downloaded rustls v0.15.2 [INFO] [stderr] Downloaded syn v0.15.36 [INFO] [stderr] Downloaded ring v0.14.6 [INFO] [stderr] Downloaded regex-syntax v0.6.7 [INFO] [stderr] Downloaded libc v0.2.58 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded env_logger v0.6.1 [INFO] [stderr] Downloaded ssd1306 v0.2.5 [INFO] [stderr] Downloaded generic-array v0.12.0 [INFO] [stderr] Downloaded tinybmp v0.1.0 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded backtrace v0.3.30 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded webpki v0.19.1 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded libflate v0.1.23 [INFO] [stderr] Downloaded ucd-trie v0.1.1 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded embedded-graphics v0.4.9 [INFO] [stderr] Downloaded pest_meta v2.1.1 [INFO] [stderr] Downloaded serde_derive v1.0.92 [INFO] [stderr] Downloaded sct v0.5.0 [INFO] [stderr] Downloaded cast v0.2.2 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.15 [INFO] [stderr] Downloaded pest_generator v2.1.0 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded mio_httpc v0.8.6 [INFO] [stderr] Downloaded regex v1.1.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 29e36ce74eb6956d0f285180ab243a4d71afa165ecb3eceb6087a720c56b7eec [INFO] running `Command { std: "docker" "start" "-a" "29e36ce74eb6956d0f285180ab243a4d71afa165ecb3eceb6087a720c56b7eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "29e36ce74eb6956d0f285180ab243a4d71afa165ecb3eceb6087a720c56b7eec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29e36ce74eb6956d0f285180ab243a4d71afa165ecb3eceb6087a720c56b7eec", kill_on_drop: false }` [INFO] [stdout] 29e36ce74eb6956d0f285180ab243a4d71afa165ecb3eceb6087a720c56b7eec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9aaf37bb998d732f6e7086e73949618529723f698f38e6610ced9d1f356e9bb4 [INFO] running `Command { std: "docker" "start" "-a" "9aaf37bb998d732f6e7086e73949618529723f698f38e6610ced9d1f356e9bb4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] 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crc32fast v1.2.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling maplit v1.0.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling nix v0.13.0 (https://github.com/nix-rust/nix/?rev=196b05b5c7b#196b05b5) [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling pest_meta v2.1.1 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Checking tinytga v0.1.0 [INFO] [stderr] Checking tinybmp v0.1.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling mio_httpc v0.8.6 [INFO] [stderr] Checking webpki v0.19.1 [INFO] [stderr] Checking sct v0.5.0 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling ssd1306 v0.2.5 [INFO] [stderr] Checking libflate v0.1.23 [INFO] [stderr] Checking webpki-roots v0.16.0 [INFO] [stderr] Checking rustls v0.15.2 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking i2cdev v0.4.1 (https://github.com/laser/rust-i2cdev#a148c1e2) [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking embedded-graphics v0.4.9 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking md5 v0.6.1 [INFO] [stderr] Checking data-encoding v2.1.2 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 (https://github.com/laser/linux-embedded-hal#09847e70) [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking adafruit-bonnet-playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `current_file_time`, `day_of_the_week`, `is_day_light_savings_time`, `ordinal_date`, `time_zone_name`, and `utc_offset` are never read [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Time { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 21 | current_date_time: String, [INFO] [stdout] 22 | current_file_time: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 23 | day_of_the_week: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 24 | is_day_light_savings_time: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 25 | ordinal_date: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 26 | time_zone_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 27 | utc_offset: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Time` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `current_file_time`, `day_of_the_week`, `is_day_light_savings_time`, `ordinal_date`, `time_zone_name`, and `utc_offset` are never read [INFO] [stdout] --> src/main.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | struct Time { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 21 | current_date_time: String, [INFO] [stdout] 22 | current_file_time: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 23 | day_of_the_week: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 24 | is_day_light_savings_time: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 25 | ordinal_date: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 26 | time_zone_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 27 | utc_offset: String, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Time` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | / CallBuilder::get() [INFO] [stdout] 46 | | .timeout_ms(5000) [INFO] [stdout] 47 | | .url("http://worldclockapi.com/api/json/pst/now")? [INFO] [stdout] 48 | | .exec() [INFO] [stdout] ... | [INFO] [stdout] 63 | | eprintln!("request lib error {:?}", x); [INFO] [stdout] 64 | | }); [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] 45 | let _ = CallBuilder::get() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | / CallBuilder::get() [INFO] [stdout] 46 | | .timeout_ms(5000) [INFO] [stdout] 47 | | .url("http://worldclockapi.com/api/json/pst/now")? [INFO] [stdout] 48 | | .exec() [INFO] [stdout] ... | [INFO] [stdout] 63 | | eprintln!("request lib error {:?}", x); [INFO] [stdout] 64 | | }); [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] 45 | let _ = CallBuilder::get() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | / serde_json::from_slice(&body) [INFO] [stdout] 51 | | .map(|time: Time| { [INFO] [stdout] 52 | | let s: Vec<&str> = time.current_date_time.split("T").skip(1).collect(); [INFO] [stdout] 53 | | let s: Vec<&str> = s[0].split("-").take(1).collect(); [INFO] [stdout] ... | [INFO] [stdout] 59 | | eprintln!("can't parse JSON {:?}", x); [INFO] [stdout] 60 | | }); [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] 50 | let _ = serde_json::from_slice(&body) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | / serde_json::from_slice(&body) [INFO] [stdout] 51 | | .map(|time: Time| { [INFO] [stdout] 52 | | let s: Vec<&str> = time.current_date_time.split("T").skip(1).collect(); [INFO] [stdout] 53 | | let s: Vec<&str> = s[0].split("-").take(1).collect(); [INFO] [stdout] ... | [INFO] [stdout] 59 | | eprintln!("can't parse JSON {:?}", x); [INFO] [stdout] 60 | | }); [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] 50 | let _ = serde_json::from_slice(&body) [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.13s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "9aaf37bb998d732f6e7086e73949618529723f698f38e6610ced9d1f356e9bb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9aaf37bb998d732f6e7086e73949618529723f698f38e6610ced9d1f356e9bb4", kill_on_drop: false }` [INFO] [stdout] 9aaf37bb998d732f6e7086e73949618529723f698f38e6610ced9d1f356e9bb4