[INFO] fetching crate led_bargraph 0.2.1... [INFO] checking led_bargraph-0.2.1 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] extracting crate led_bargraph 0.2.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate led_bargraph 0.2.1 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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 nb v0.1.3 [INFO] [stderr] Downloaded nb v1.0.0 [INFO] [stderr] Downloaded docopt v1.1.1 [INFO] [stderr] Downloaded sysfs_gpio v0.5.4 [INFO] [stderr] Downloaded embedded-hal v0.2.4 [INFO] [stderr] Downloaded linux-embedded-hal v0.2.2 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded spidev v0.3.0 [INFO] [stderr] Downloaded i2cdev v0.4.4 [INFO] [stderr] Downloaded ht16k33 v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d77c5c2c599d967ecbf7026bc2afa3397580efb463edad9a8b261ff634de64c8 [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" "d77c5c2c599d967ecbf7026bc2afa3397580efb463edad9a8b261ff634de64c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d77c5c2c599d967ecbf7026bc2afa3397580efb463edad9a8b261ff634de64c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d77c5c2c599d967ecbf7026bc2afa3397580efb463edad9a8b261ff634de64c8", kill_on_drop: false }` [INFO] [stdout] d77c5c2c599d967ecbf7026bc2afa3397580efb463edad9a8b261ff634de64c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e8f39e2ed90fc7942ae2ddeb4922c614ca98675ea34c853fb2c5108d9b9d7be1 [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" "e8f39e2ed90fc7942ae2ddeb4922c614ca98675ea34c853fb2c5108d9b9d7be1", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking nb v1.0.0 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking i2cdev v0.4.4 [INFO] [stderr] Checking nb v0.1.3 [INFO] [stderr] Checking embedded-hal v0.2.4 [INFO] [stderr] Checking slog-stdlog v3.0.5 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking ht16k33 v0.3.0 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking slog-async v2.6.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 [INFO] [stderr] Checking serde v1.0.124 [INFO] [stderr] Checking docopt v1.1.1 [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)]` 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)]` 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 dev [unoptimized + debuginfo] target(s) in 33.67s [INFO] running `Command { std: "docker" "inspect" "e8f39e2ed90fc7942ae2ddeb4922c614ca98675ea34c853fb2c5108d9b9d7be1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8f39e2ed90fc7942ae2ddeb4922c614ca98675ea34c853fb2c5108d9b9d7be1", kill_on_drop: false }` [INFO] [stdout] e8f39e2ed90fc7942ae2ddeb4922c614ca98675ea34c853fb2c5108d9b9d7be1