[INFO] fetching crate led_bargraph 0.2.1...
[INFO] testing led_bargraph-0.2.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-embedded-hal v0.2.2
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded i2cdev v0.4.4
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded ht16k33 v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f511901b6c0c77a6c6a19cea2651ebf54e8efc3f864f52b68e0cbf35876d49d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1f511901b6c0c77a6c6a19cea2651ebf54e8efc3f864f52b68e0cbf35876d49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f511901b6c0c77a6c6a19cea2651ebf54e8efc3f864f52b68e0cbf35876d49d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f511901b6c0c77a6c6a19cea2651ebf54e8efc3f864f52b68e0cbf35876d49d", kill_on_drop: false }`
[INFO] [stdout] 1f511901b6c0c77a6c6a19cea2651ebf54e8efc3f864f52b68e0cbf35876d49d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c21e6bd860af14a948f2859e5bfb89f57f09d74e99e261b9fb7aa01bb15ab1c5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c21e6bd860af14a948f2859e5bfb89f57f09d74e99e261b9fb7aa01bb15ab1c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling ht16k33 v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling slog-term v2.6.0
[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 serde v1.0.117
[INFO] [stderr]    Compiling docopt v1.1.0
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.08s
[INFO] running `Command { std: "docker" "inspect" "c21e6bd860af14a948f2859e5bfb89f57f09d74e99e261b9fb7aa01bb15ab1c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21e6bd860af14a948f2859e5bfb89f57f09d74e99e261b9fb7aa01bb15ab1c5", kill_on_drop: false }`
[INFO] [stdout] c21e6bd860af14a948f2859e5bfb89f57f09d74e99e261b9fb7aa01bb15ab1c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246c1cd21d65e26a386e35c689a3ecc71911080cfff3306529ebf2ce99a9a46f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "246c1cd21d65e26a386e35c689a3ecc71911080cfff3306529ebf2ce99a9a46f", 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "246c1cd21d65e26a386e35c689a3ecc71911080cfff3306529ebf2ce99a9a46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246c1cd21d65e26a386e35c689a3ecc71911080cfff3306529ebf2ce99a9a46f", kill_on_drop: false }`
[INFO] [stdout] 246c1cd21d65e26a386e35c689a3ecc71911080cfff3306529ebf2ce99a9a46f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d3e928eae9d6e2d567ad82a163730a02a8b215ec43d2bd05d67219a93c497bc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4d3e928eae9d6e2d567ad82a163730a02a8b215ec43d2bd05d67219a93c497bc", 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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/led_bargraph-7dc275c13071130a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/led_bargraph-a62db061ab91ef83
[INFO] [stdout] test tests::initialize ... ok
[INFO] [stderr]    Doc-tests led_bargraph
[INFO] [stdout] test tests::update ... ok
[INFO] [stdout] test tests::set_blink ... ok
[INFO] [stdout] test tests::show ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Bargraph<I2C>::update (line 176) ... ok
[INFO] [stdout] test src/lib.rs - Bargraph<I2C>::clear (line 138) ... ok
[INFO] [stdout] test src/lib.rs - Bargraph<I2C>::set_blink (line 230) ... ok
[INFO] [stdout] test src/lib.rs - Bargraph<I2C>::initialize (line 110) ... ok
[INFO] [stdout] test src/lib.rs - Bargraph<I2C>::new (line 66) ... ok
[INFO] [stdout] test src/lib.rs - Bargraph<I2C>::show (line 259) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4d3e928eae9d6e2d567ad82a163730a02a8b215ec43d2bd05d67219a93c497bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3e928eae9d6e2d567ad82a163730a02a8b215ec43d2bd05d67219a93c497bc", kill_on_drop: false }`
[INFO] [stdout] 4d3e928eae9d6e2d567ad82a163730a02a8b215ec43d2bd05d67219a93c497bc
