[INFO] cloning repository https://github.com/cloudybyte/drinklogger [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cloudybyte/drinklogger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudybyte%2Fdrinklogger", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudybyte%2Fdrinklogger'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 94a1d240abf76e733bf7dce9f343dec80b9ae7d5 [INFO] checking cloudybyte/drinklogger against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcloudybyte%2Fdrinklogger" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config [INFO] started tweaking git repo https://github.com/cloudybyte/drinklogger [INFO] finished tweaking git repo https://github.com/cloudybyte/drinklogger [INFO] tweaked toml for git repo https://github.com/cloudybyte/drinklogger written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cloudybyte/drinklogger on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cloudybyte/drinklogger 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" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded skeptic v0.13.6 [INFO] [stderr] Downloaded i2cdev v0.3.2 [INFO] [stderr] Downloaded spidev v0.4.1 [INFO] [stderr] Downloaded rppal v0.2.0 [INFO] [stderr] Downloaded pwr-hd44780 v0.1.3 [INFO] [stderr] Downloaded rfid-rs v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79e13a823e154bffe4b0e28602e82684357b1f72c98b165fb31e87917151296b [INFO] running `Command { std: "docker" "start" "-a" "79e13a823e154bffe4b0e28602e82684357b1f72c98b165fb31e87917151296b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79e13a823e154bffe4b0e28602e82684357b1f72c98b165fb31e87917151296b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79e13a823e154bffe4b0e28602e82684357b1f72c98b165fb31e87917151296b", kill_on_drop: false }` [INFO] [stdout] 79e13a823e154bffe4b0e28602e82684357b1f72c98b165fb31e87917151296b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e6b734986971d3bd913f4442a256c07bc122816fd006b59f3ee38649eec14154 [INFO] running `Command { std: "docker" "start" "-a" "e6b734986971d3bd913f4442a256c07bc122816fd006b59f3ee38649eec14154", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Compiling ppv-lite86 v0.2.15 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling pulldown-cmark v0.8.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling bytecount v0.6.2 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rppal v0.2.0 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Checking spidev v0.4.1 [INFO] [stderr] Checking rfid-rs v0.1.3 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling cargo-platform v0.1.2 [INFO] [stderr] Compiling cargo_metadata v0.12.3 [INFO] [stderr] Compiling skeptic v0.13.6 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Checking pwr-hd44780 v0.1.3 [INFO] [stderr] Checking drinklogger v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{env, io::Read, thread, time::Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::Read` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{env, io::Read, thread, time::Duration}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 90 | / match reader.mifare_write(block, &buffer) { [INFO] [stdout] 91 | | Ok(_) => { [INFO] [stdout] 92 | | println!("Wrote block {} successfully", block); [INFO] [stdout] 93 | | return buffer; [INFO] [stdout] ... | [INFO] [stdout] 99 | | } [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 100 | [INFO] [stdout] 101 | reader.halt_a().expect("Could not halt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:101:13 [INFO] [stdout] | [INFO] [stdout] 90 | / match reader.mifare_write(block, &buffer) { [INFO] [stdout] 91 | | Ok(_) => { [INFO] [stdout] 92 | | println!("Wrote block {} successfully", block); [INFO] [stdout] 93 | | return buffer; [INFO] [stdout] ... | [INFO] [stdout] 99 | | } [INFO] [stdout] | |_____________- any code following this `match` expression is unreachable, as all arms diverge [INFO] [stdout] 100 | [INFO] [stdout] 101 | reader.halt_a().expect("Could not halt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/main.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | if let Some(name) = args.get(2) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/main.rs:30:25 [INFO] [stdout] | [INFO] [stdout] 30 | if let Some(name) = args.get(2) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 126 | let mut block = 1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:126:17 [INFO] [stdout] | [INFO] [stdout] 126 | let mut block = 1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.57s [INFO] running `Command { std: "docker" "inspect" "e6b734986971d3bd913f4442a256c07bc122816fd006b59f3ee38649eec14154", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6b734986971d3bd913f4442a256c07bc122816fd006b59f3ee38649eec14154", kill_on_drop: false }` [INFO] [stdout] e6b734986971d3bd913f4442a256c07bc122816fd006b59f3ee38649eec14154