[INFO] fetching crate f289ctrl 0.1.0...
[INFO] checking f289ctrl-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate f289ctrl 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate f289ctrl 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate f289ctrl 0.1.0
[INFO] finished tweaking crates.io crate f289ctrl 0.1.0
[INFO] tweaked toml for crates.io crate f289ctrl 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate f289ctrl 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-util v0.7.8
[INFO] [stderr]   Downloaded anstyle-wincon v2.1.0
[INFO] [stderr]   Downloaded anstyle v1.0.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded anstream v0.5.0
[INFO] [stderr]   Downloaded socket2 v0.5.3
[INFO] [stderr]   Downloaded clap v4.4.2
[INFO] [stderr]   Downloaded serialport v4.2.2
[INFO] [stderr]   Downloaded memchr v2.6.3
[INFO] [stderr]   Downloaded bitflags v2.0.2
[INFO] [stderr]   Downloaded mio-serial v5.0.5
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded clap_builder v4.4.2
[INFO] [stderr]   Downloaded aho-corasick v1.0.5
[INFO] [stderr]   Downloaded chrono v0.4.30
[INFO] [stderr]   Downloaded syn v2.0.31
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded regex v1.9.5
[INFO] [stderr]   Downloaded gimli v0.28.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded tokio-serial v5.4.4
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded regex-automata v0.3.8
[INFO] [stderr]   Downloaded tokio v1.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64edf02bb57753cd253c975ea97b9d2e490a7f03082628fcaaea9ca7412f607
[INFO] running `Command { std: "docker" "start" "-a" "a64edf02bb57753cd253c975ea97b9d2e490a7f03082628fcaaea9ca7412f607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64edf02bb57753cd253c975ea97b9d2e490a7f03082628fcaaea9ca7412f607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64edf02bb57753cd253c975ea97b9d2e490a7f03082628fcaaea9ca7412f607", kill_on_drop: false }`
[INFO] [stdout] a64edf02bb57753cd253c975ea97b9d2e490a7f03082628fcaaea9ca7412f607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4972e4e7e4b1361e6fad73bef17a2ae101ea980535aa10f21ac30e85d4c9ff06
[INFO] running `Command { std: "docker" "start" "-a" "4972e4e7e4b1361e6fad73bef17a2ae101ea980535aa10f21ac30e85d4c9ff06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking anstyle v1.0.2
[INFO] [stderr]     Checking bitflags v2.0.2
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking chrono v0.4.30
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking clap v4.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking serialport v4.2.2
[INFO] [stderr]     Checking mio-serial v5.0.5
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tokio-serial v5.4.4
[INFO] [stderr]     Checking f289ctrl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/measurement.rs:282:22
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub struct AutoRange(bool);
[INFO] [stdout]     |            --------- ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `AutoRange` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/measurement.rs:282:22
[INFO] [stdout]     |
[INFO] [stdout] 282 | pub struct AutoRange(bool);
[INFO] [stdout]     |            --------- ^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `AutoRange` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 `dev` profile [unoptimized + debuginfo] target(s) in 15.41s
[INFO] running `Command { std: "docker" "inspect" "4972e4e7e4b1361e6fad73bef17a2ae101ea980535aa10f21ac30e85d4c9ff06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4972e4e7e4b1361e6fad73bef17a2ae101ea980535aa10f21ac30e85d4c9ff06", kill_on_drop: false }`
[INFO] [stdout] 4972e4e7e4b1361e6fad73bef17a2ae101ea980535aa10f21ac30e85d4c9ff06