[INFO] fetching crate ledcat 0.2.0... [INFO] checking ledcat-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate ledcat 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate ledcat 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ledcat 0.2.0 [INFO] finished tweaking crates.io crate ledcat 0.2.0 [INFO] tweaked toml for crates.io crate ledcat 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate ledcat 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded net2 v0.2.37 [INFO] [stderr] Downloaded which v3.1.1 [INFO] [stderr] Downloaded librgbmatrix-sys v0.3.0 [INFO] [stderr] Downloaded environment v0.1.1 [INFO] [stderr] Downloaded miniz_oxide v0.4.1 [INFO] [stderr] Downloaded serde v1.0.115 [INFO] [stderr] Downloaded syn v1.0.39 [INFO] [stderr] Downloaded serde_json v1.0.57 [INFO] [stderr] Downloaded bindgen v0.55.1 [INFO] [stderr] Downloaded assert_cli v0.6.3 [INFO] [stderr] Downloaded gpio v0.4.1 [INFO] [stderr] Downloaded libloading v0.6.3 [INFO] [stderr] Downloaded clang-sys v1.0.0 [INFO] [stderr] Downloaded hermit-abi v0.1.15 [INFO] [stderr] Downloaded proc-macro2 v1.0.19 [INFO] [stderr] Downloaded cc v1.0.59 [INFO] [stderr] Downloaded ppv-lite86 v0.2.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56989cc554df6f4a8dcdc9500304a47643fffeb6efc0ef3386f3f9501d228811 [INFO] running `Command { std: "docker" "start" "-a" "56989cc554df6f4a8dcdc9500304a47643fffeb6efc0ef3386f3f9501d228811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56989cc554df6f4a8dcdc9500304a47643fffeb6efc0ef3386f3f9501d228811", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56989cc554df6f4a8dcdc9500304a47643fffeb6efc0ef3386f3f9501d228811", kill_on_drop: false }` [INFO] [stdout] 56989cc554df6f4a8dcdc9500304a47643fffeb6efc0ef3386f3f9501d228811 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 09345378b83898ce66630f21fa2d910db251f28874b8f53622148ba1c9435010 [INFO] running `Command { std: "docker" "start" "-a" "09345378b83898ce66630f21fa2d910db251f28874b8f53622148ba1c9435010", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking gpio v0.4.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking ledcat v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/apa102.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/lpd8806.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/sk9822.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/ws2812.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cli v0.6.3 [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/apa102.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/lpd8806.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/sk9822.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/ws2812.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 72 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 36 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clock_phase` is never read [INFO] [stdout] --> src/driver/spidev.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | pub clock_polarity: u8, [INFO] [stdout] 21 | pub clock_phase: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 72 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 36 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clock_phase` is never read [INFO] [stdout] --> src/driver/spidev.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | pub clock_polarity: u8, [INFO] [stdout] 21 | pub clock_phase: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.35s [INFO] running `Command { std: "docker" "inspect" "09345378b83898ce66630f21fa2d910db251f28874b8f53622148ba1c9435010", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09345378b83898ce66630f21fa2d910db251f28874b8f53622148ba1c9435010", kill_on_drop: false }` [INFO] [stdout] 09345378b83898ce66630f21fa2d910db251f28874b8f53622148ba1c9435010 [INFO] checking ledcat-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate ledcat 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate ledcat 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ledcat 0.2.0 [INFO] finished tweaking crates.io crate ledcat 0.2.0 [INFO] tweaked toml for crates.io crate ledcat 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate ledcat 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90f6e63d2be58934da8780afe784a2b9581ddf0f02000ecac26dc19800c63cd3 [INFO] running `Command { std: "docker" "start" "-a" "90f6e63d2be58934da8780afe784a2b9581ddf0f02000ecac26dc19800c63cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90f6e63d2be58934da8780afe784a2b9581ddf0f02000ecac26dc19800c63cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90f6e63d2be58934da8780afe784a2b9581ddf0f02000ecac26dc19800c63cd3", kill_on_drop: false }` [INFO] [stdout] 90f6e63d2be58934da8780afe784a2b9581ddf0f02000ecac26dc19800c63cd3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72a5c2017d00af07b6e84b4c14e1cfc4ce7c8b53b0246ee548b32f3d6c0e4b2d [INFO] running `Command { std: "docker" "start" "-a" "72a5c2017d00af07b6e84b4c14e1cfc4ce7c8b53b0246ee548b32f3d6c0e4b2d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.39 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking miniz_oxide v0.4.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ppv-lite86 v0.2.9 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking gpio v0.4.1 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking assert_cli v0.6.3 [INFO] [stderr] Checking ledcat v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/apa102.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/lpd8806.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/sk9822.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/ws2812.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/apa102.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/artnet/mod.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::collections; [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/fluxled/mod.rs:8:15 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 8 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/generic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hexws2811.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 2 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/hub75.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] ... [INFO] [stdout] 5 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/lpd8806.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/sk9822.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `io` is imported redundantly [INFO] [stdout] --> src/device/ws2812.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::device::*; [INFO] [stdout] | ---------------- the item `io` is already imported here [INFO] [stdout] 3 | use std::io; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 72 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 36 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clock_phase` is never read [INFO] [stdout] --> src/driver/spidev.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | pub clock_polarity: u8, [INFO] [stdout] 21 | pub clock_phase: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `written_frame_size` is never used [INFO] [stdout] --> src/device/mod.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub trait Device: Send { [INFO] [stdout] | ------ method in this trait [INFO] [stdout] ... [INFO] [stdout] 72 | fn written_frame_size(&self, num_pixels: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | Io(io::Error), [INFO] [stdout] | -- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 36 | Io(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/driver/mod.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | Nix(nix::Error), [INFO] [stdout] | --- ^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Nix(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clock_phase` is never read [INFO] [stdout] --> src/driver/spidev.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct Config { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 20 | pub clock_polarity: u8, [INFO] [stdout] 21 | pub clock_phase: u8, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Config` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.23s [INFO] running `Command { std: "docker" "inspect" "72a5c2017d00af07b6e84b4c14e1cfc4ce7c8b53b0246ee548b32f3d6c0e4b2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72a5c2017d00af07b6e84b4c14e1cfc4ce7c8b53b0246ee548b32f3d6c0e4b2d", kill_on_drop: false }` [INFO] [stdout] 72a5c2017d00af07b6e84b4c14e1cfc4ce7c8b53b0246ee548b32f3d6c0e4b2d