[INFO] fetching crate led_bargraph 0.2.1... [INFO] testing led_bargraph-0.2.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded i2cdev v0.4.4 [INFO] [stderr] Downloaded embedded-hal v0.2.5 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded sysfs_gpio v0.5.4 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded docopt v1.1.1 [INFO] [stderr] Downloaded ht16k33 v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35946e5aeac5cd1345289725b2f13b2d3854c858bcdbeea70fbef08c3c75b509 [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" "35946e5aeac5cd1345289725b2f13b2d3854c858bcdbeea70fbef08c3c75b509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35946e5aeac5cd1345289725b2f13b2d3854c858bcdbeea70fbef08c3c75b509", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35946e5aeac5cd1345289725b2f13b2d3854c858bcdbeea70fbef08c3c75b509", kill_on_drop: false }` [INFO] [stdout] 35946e5aeac5cd1345289725b2f13b2d3854c858bcdbeea70fbef08c3c75b509 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ef358c48b3fb437f605df885fbe101352ed1e099486d41c840a9d9bc0666b47 [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" "4ef358c48b3fb437f605df885fbe101352ed1e099486d41c840a9d9bc0666b47", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling nb v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling arc-swap v1.3.0 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling crossbeam v0.2.12 [INFO] [stderr] Compiling bitflags v0.3.3 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling thread_local v1.1.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling nb v0.1.3 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling embedded-hal v0.2.5 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling slog-scope v4.4.0 [INFO] [stderr] Compiling slog-async v2.6.0 [INFO] [stderr] Compiling slog-stdlog v3.0.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling semver-parser v0.10.2 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling spidev v0.3.0 [INFO] [stderr] Compiling semver v0.11.0 [INFO] [stderr] Compiling rustc_version v0.3.3 [INFO] [stderr] Compiling cast v0.2.6 [INFO] [stderr] Compiling slog-term v2.8.0 [INFO] [stderr] Compiling sysfs_gpio v0.5.4 [INFO] [stderr] Compiling i2cdev v0.4.4 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 50.66s [INFO] running `Command { std: "docker" "inspect" "4ef358c48b3fb437f605df885fbe101352ed1e099486d41c840a9d9bc0666b47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ef358c48b3fb437f605df885fbe101352ed1e099486d41c840a9d9bc0666b47", kill_on_drop: false }` [INFO] [stdout] 4ef358c48b3fb437f605df885fbe101352ed1e099486d41c840a9d9bc0666b47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4c2e66174b9ebe3a60bc04a4e4ce6cdb87bd12d5bd102fac890b625c5cdfe9f7 [INFO] running `Command { std: "docker" "start" "-a" "4c2e66174b9ebe3a60bc04a4e4ce6cdb87bd12d5bd102fac890b625c5cdfe9f7", 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 1.72s [INFO] running `Command { std: "docker" "inspect" "4c2e66174b9ebe3a60bc04a4e4ce6cdb87bd12d5bd102fac890b625c5cdfe9f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c2e66174b9ebe3a60bc04a4e4ce6cdb87bd12d5bd102fac890b625c5cdfe9f7", kill_on_drop: false }` [INFO] [stdout] 4c2e66174b9ebe3a60bc04a4e4ce6cdb87bd12d5bd102fac890b625c5cdfe9f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0df2ddeae7ad125d83e6f821e2eb8adbd1b0d26b9b26dda66f05aea56ef981b4 [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" "0df2ddeae7ad125d83e6f821e2eb8adbd1b0d26b9b26dda66f05aea56ef981b4", 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 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/led_bargraph-fb6d78b90d7bb307) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::set_blink ... ok [INFO] [stdout] test tests::clear ... ok [INFO] [stdout] test tests::new ... ok [INFO] [stdout] test tests::initialize ... ok [INFO] [stdout] test tests::update ... 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; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/led_bargraph-e3fb3a72eda5a4a8) [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::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::set_blink (line 230) ... 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 2.23s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0df2ddeae7ad125d83e6f821e2eb8adbd1b0d26b9b26dda66f05aea56ef981b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df2ddeae7ad125d83e6f821e2eb8adbd1b0d26b9b26dda66f05aea56ef981b4", kill_on_drop: false }` [INFO] [stdout] 0df2ddeae7ad125d83e6f821e2eb8adbd1b0d26b9b26dda66f05aea56ef981b4