[INFO] fetching crate led_bargraph 0.2.1...
[INFO] checking led_bargraph-0.2.1 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate led_bargraph 0.2.1
[INFO] finished tweaking crates.io crate led_bargraph 0.2.1
[INFO] tweaked toml for crates.io crate led_bargraph 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 110 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding ht16k33 v0.3.0 (available: v0.4.0)
[INFO] [stderr]       Adding linux-embedded-hal v0.2.2 (available: v0.4.1)
[INFO] [stderr]       Adding slog-stdlog v3.0.5 (available: v4.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-stdlog v3.0.5
[INFO] [stderr]   Downloaded linux-embedded-hal v0.2.2
[INFO] [stderr]   Downloaded slog-scope v4.4.1
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded bitflags v0.4.0
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded ht16k33 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5498b2910707889b6e1c669d25a8ede0f6724330c7a55e13e10bf80a8db40c1f
[INFO] running `Command { std: "docker" "start" "-a" "5498b2910707889b6e1c669d25a8ede0f6724330c7a55e13e10bf80a8db40c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5498b2910707889b6e1c669d25a8ede0f6724330c7a55e13e10bf80a8db40c1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5498b2910707889b6e1c669d25a8ede0f6724330c7a55e13e10bf80a8db40c1f", kill_on_drop: false }`
[INFO] [stdout] 5498b2910707889b6e1c669d25a8ede0f6724330c7a55e13e10bf80a8db40c1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c293efd58e3fb05b9ff870542a111231e132229e3e7a59aa4b666f74d1f734b
[INFO] running `Command { std: "docker" "start" "-a" "2c293efd58e3fb05b9ff870542a111231e132229e3e7a59aa4b666f74d1f734b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling slog v2.8.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking term v1.2.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking slog-scope v4.4.1
[INFO] [stderr]     Checking slog-term v2.9.2
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking ht16k33 v0.3.0
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking linux-embedded-hal v0.2.2
[INFO] [stderr]     Checking led_bargraph v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |             let mut color = match led {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |             let mut color = match led {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_i2c_mock` is never read
[INFO] [stdout]    --> src/bin/led-bargraph.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Args {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 113 |     flag_i2c_mock: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_i2c_mock` is never read
[INFO] [stdout]    --> src/bin/led-bargraph.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Args {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 113 |     flag_i2c_mock: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "2c293efd58e3fb05b9ff870542a111231e132229e3e7a59aa4b666f74d1f734b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c293efd58e3fb05b9ff870542a111231e132229e3e7a59aa4b666f74d1f734b", kill_on_drop: false }`
[INFO] [stdout] 2c293efd58e3fb05b9ff870542a111231e132229e3e7a59aa4b666f74d1f734b
