[INFO] fetching crate led_bargraph 0.2.1... [INFO] testing led_bargraph-0.2.1 against 1.59.0 for beta-1.60-1 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-56/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-56/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 090cf6533c3e5686747b20c57f94df3926a29f846a267a6a049d2f7a78787eed [INFO] running `Command { std: "docker" "start" "-a" "090cf6533c3e5686747b20c57f94df3926a29f846a267a6a049d2f7a78787eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "090cf6533c3e5686747b20c57f94df3926a29f846a267a6a049d2f7a78787eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "090cf6533c3e5686747b20c57f94df3926a29f846a267a6a049d2f7a78787eed", kill_on_drop: false }` [INFO] [stdout] 090cf6533c3e5686747b20c57f94df3926a29f846a267a6a049d2f7a78787eed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fb35f3a9c4498ca165eb4e6b8e8792f619ced37d3d10a003cb74eb00c2265ee [INFO] running `Command { std: "docker" "start" "-a" "2fb35f3a9c4498ca165eb4e6b8e8792f619ced37d3d10a003cb74eb00c2265ee", 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 semver v1.0.6 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling gimli v0.26.1 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling rustc-demangle v0.1.21 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling arc-swap v1.5.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling num_threads v0.1.3 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling time-macros v0.2.3 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling backtrace v0.3.64 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling object v0.27.1 [INFO] [stderr] Compiling embedded-hal v0.2.7 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling time v0.3.7 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling slog-scope v4.4.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling addr2line v0.17.0 [INFO] [stderr] Compiling slog-stdlog v3.0.5 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling slog-term v2.9.0 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling ht16k33 v0.3.0 [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] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.45s [INFO] running `Command { std: "docker" "inspect" "2fb35f3a9c4498ca165eb4e6b8e8792f619ced37d3d10a003cb74eb00c2265ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fb35f3a9c4498ca165eb4e6b8e8792f619ced37d3d10a003cb74eb00c2265ee", kill_on_drop: false }` [INFO] [stdout] 2fb35f3a9c4498ca165eb4e6b8e8792f619ced37d3d10a003cb74eb00c2265ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f7660374ef0faca0020762ab6e7473b9b3f5d25f819cc89a4588e30817d2adb [INFO] running `Command { std: "docker" "start" "-a" "6f7660374ef0faca0020762ab6e7473b9b3f5d25f819cc89a4588e30817d2adb", 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] [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 1.90s [INFO] running `Command { std: "docker" "inspect" "6f7660374ef0faca0020762ab6e7473b9b3f5d25f819cc89a4588e30817d2adb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f7660374ef0faca0020762ab6e7473b9b3f5d25f819cc89a4588e30817d2adb", kill_on_drop: false }` [INFO] [stdout] 6f7660374ef0faca0020762ab6e7473b9b3f5d25f819cc89a4588e30817d2adb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4874af4751e0b1d5a67fe6478806659ec553485471956a8b537afb603572ec43 [INFO] running `Command { std: "docker" "start" "-a" "4874af4751e0b1d5a67fe6478806659ec553485471956a8b537afb603572ec43", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] [INFO] [stderr] warning: `led_bargraph` (bin "led-bargraph" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/led_bargraph-7761c43c4857c079) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::initialize ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::set_blink ... 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 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/led_bargraph-8daf27ef06eaa46e) [INFO] [stdout] [INFO] [stderr] Doc-tests led_bargraph [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] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/lib.rs - Bargraph::new (line 66) ... ok [INFO] [stdout] test src/lib.rs - Bargraph::set_blink (line 230) ... 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 0.66s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4874af4751e0b1d5a67fe6478806659ec553485471956a8b537afb603572ec43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4874af4751e0b1d5a67fe6478806659ec553485471956a8b537afb603572ec43", kill_on_drop: false }` [INFO] [stdout] 4874af4751e0b1d5a67fe6478806659ec553485471956a8b537afb603572ec43