[INFO] fetching crate w1_therm_reader 0.1.0...
[INFO] checking w1_therm_reader-0.1.0 against master#9748d87dc70a9a6725c5dbd76ce29d04752b4f90 for pr-144156
[INFO] extracting crate w1_therm_reader 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate w1_therm_reader 0.1.0
[INFO] finished tweaking crates.io crate w1_therm_reader 0.1.0
[INFO] tweaked toml for crates.io crate w1_therm_reader 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate w1_therm_reader 0.1.0 on toolchain 9748d87dc70a9a6725c5dbd76ce29d04752b4f90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "generate-lockfile" "--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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding nom v5.1.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c38194aca98939a0435509e29edbf46c321829c4594a04466270474be4f3ac5a
[INFO] running `Command { std: "docker" "start" "-a" "c38194aca98939a0435509e29edbf46c321829c4594a04466270474be4f3ac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c38194aca98939a0435509e29edbf46c321829c4594a04466270474be4f3ac5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38194aca98939a0435509e29edbf46c321829c4594a04466270474be4f3ac5a", kill_on_drop: false }`
[INFO] [stdout] c38194aca98939a0435509e29edbf46c321829c4594a04466270474be4f3ac5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9748d87dc70a9a6725c5dbd76ce29d04752b4f90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22ada2238d9c53bbeddfabfe51d475c34361133871e411879c4365c03385a068
[INFO] running `Command { std: "docker" "start" "-a" "22ada2238d9c53bbeddfabfe51d475c34361133871e411879c4365c03385a068", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking w1_therm_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `raw_value` is never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ResultW1 {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     raw_value: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResultW1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw_value` is never read
[INFO] [stdout]   --> src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ResultW1 {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     raw_value: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ResultW1` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "22ada2238d9c53bbeddfabfe51d475c34361133871e411879c4365c03385a068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ada2238d9c53bbeddfabfe51d475c34361133871e411879c4365c03385a068", kill_on_drop: false }`
[INFO] [stdout] 22ada2238d9c53bbeddfabfe51d475c34361133871e411879c4365c03385a068