[INFO] fetching crate led_bargraph 0.2.1... [INFO] testing led_bargraph-0.2.1 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-54/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-54/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-term v2.9.0 [INFO] [stderr] Downloaded dirs-next v2.0.0 [INFO] [stderr] Downloaded dirs-sys-next v0.1.2 [INFO] [stderr] Downloaded term v0.7.0 [INFO] [stderr] Downloaded slog-scope v4.4.0 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded rustc_version v0.4.0 [INFO] [stderr] Downloaded cast v0.2.7 [INFO] [stderr] Downloaded nb v0.1.3 [INFO] [stderr] Downloaded thread_local v1.1.4 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded bitflags v0.4.0 [INFO] [stderr] Downloaded i2cdev v0.4.4 [INFO] [stderr] Downloaded bitflags v0.3.3 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded arc-swap v1.5.0 [INFO] [stderr] Downloaded time-macros v0.2.3 [INFO] [stderr] Downloaded rustc_version v0.1.7 [INFO] [stderr] Downloaded slog-async v2.7.0 [INFO] [stderr] Downloaded semver v0.1.20 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded slog-stdlog v3.0.5 [INFO] [stderr] Downloaded time v0.3.7 [INFO] [stderr] Downloaded docopt v1.1.1 [INFO] [stderr] Downloaded embedded-hal v0.2.7 [INFO] [stderr] Downloaded nix v0.14.1 [INFO] [stderr] Downloaded sysfs_gpio v0.5.4 [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] [stderr] Downloaded rustversion v1.0.6 [INFO] [stderr] Downloaded num_threads v0.1.3 [INFO] [stderr] Downloaded slog v2.7.0 [INFO] [stderr] Downloaded ht16k33 v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 786fd069a47106dd684b765bd9f04f7a8bff84939b61564612514514d273698e [INFO] running `Command { std: "docker" "start" "-a" "786fd069a47106dd684b765bd9f04f7a8bff84939b61564612514514d273698e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "786fd069a47106dd684b765bd9f04f7a8bff84939b61564612514514d273698e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "786fd069a47106dd684b765bd9f04f7a8bff84939b61564612514514d273698e", kill_on_drop: false }` [INFO] [stdout] 786fd069a47106dd684b765bd9f04f7a8bff84939b61564612514514d273698e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8bb05b5dfb9ff25a533a87379cc574090a05066fcf4b610e6c336e96ab2c5fe8 [INFO] running `Command { std: "docker" "start" "-a" "8bb05b5dfb9ff25a533a87379cc574090a05066fcf4b610e6c336e96ab2c5fe8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling semver v1.0.6 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling arc-swap v1.5.0 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling time-macros v0.2.3 [INFO] [stderr] Compiling num_threads v0.1.3 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling slog-scope v4.4.0 [INFO] [stderr] Compiling time v0.3.7 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling slog-stdlog v3.0.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling slog-term v2.9.0 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling ht16k33 v0.3.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling docopt v1.1.1 [INFO] [stderr] Compiling 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flag_i2c_mock` [INFO] [stdout] --> src/bin/led-bargraph.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | flag_i2c_mock: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/led-bargraph.rs:101:10 [INFO] [stdout] | [INFO] [stdout] 101 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.56s [INFO] running `Command { std: "docker" "inspect" "8bb05b5dfb9ff25a533a87379cc574090a05066fcf4b610e6c336e96ab2c5fe8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8bb05b5dfb9ff25a533a87379cc574090a05066fcf4b610e6c336e96ab2c5fe8", kill_on_drop: false }` [INFO] [stdout] 8bb05b5dfb9ff25a533a87379cc574090a05066fcf4b610e6c336e96ab2c5fe8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 907c85740125ae429a4ce8a8daa49c5bb09ab37a6e2986da13b068bcb484997e [INFO] running `Command { std: "docker" "start" "-a" "907c85740125ae429a4ce8a8daa49c5bb09ab37a6e2986da13b068bcb484997e", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `flag_i2c_mock` [INFO] [stdout] --> src/bin/led-bargraph.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | flag_i2c_mock: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/led-bargraph.rs:101:10 [INFO] [stdout] | [INFO] [stdout] 101 | #[derive(Debug, Deserialize)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.19s [INFO] running `Command { std: "docker" "inspect" "907c85740125ae429a4ce8a8daa49c5bb09ab37a6e2986da13b068bcb484997e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "907c85740125ae429a4ce8a8daa49c5bb09ab37a6e2986da13b068bcb484997e", kill_on_drop: false }` [INFO] [stdout] 907c85740125ae429a4ce8a8daa49c5bb09ab37a6e2986da13b068bcb484997e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7dbd8513eb720a46d45562a4c40c9f0104d968284cde5a586a061c6c688406e9 [INFO] running `Command { std: "docker" "start" "-a" "7dbd8513eb720a46d45562a4c40c9f0104d968284cde5a586a061c6c688406e9", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:477:17 [INFO] [stderr] | [INFO] [stderr] 477 | let mut color = match led { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `led_bargraph` (lib) generated 1 warning [INFO] [stderr] warning: `led_bargraph` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: field is never read: `flag_i2c_mock` [INFO] [stderr] --> src/bin/led-bargraph.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | flag_i2c_mock: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/led-bargraph.rs:101:10 [INFO] [stderr] | [INFO] [stderr] 101 | #[derive(Debug, Deserialize)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `led_bargraph` (bin "led-bargraph" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/led_bargraph-9e15057bc99a20f9) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::initialize ... ok [INFO] [stdout] test tests::set_blink ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::show ... ok [INFO] [stdout] test tests::update ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/led_bargraph-2f3a9000f91f9a22) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests led_bargraph [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - Bargraph::set_blink (line 230) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::new (line 66) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::clear (line 138) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::initialize (line 110) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::update (line 176) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::show (line 259) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.67s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7dbd8513eb720a46d45562a4c40c9f0104d968284cde5a586a061c6c688406e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dbd8513eb720a46d45562a4c40c9f0104d968284cde5a586a061c6c688406e9", kill_on_drop: false }` [INFO] [stdout] 7dbd8513eb720a46d45562a4c40c9f0104d968284cde5a586a061c6c688406e9