[INFO] fetching crate yams 0.10.0...
[INFO] checking yams-0.10.0 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate yams 0.10.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate yams 0.10.0
[INFO] finished tweaking crates.io crate yams 0.10.0
[INFO] tweaked toml for crates.io crate yams 0.10.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate yams 0.10.0 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yams 0.10.0 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://github.com/justinyhuang/yams"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://github.com/justinyhuang/yams"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `yams` (manifest) generated 2 warnings
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded futures-macro v0.3.19
[INFO] [stderr]   Downloaded futures-io v0.3.19
[INFO] [stderr]   Downloaded futures-sink v0.3.19
[INFO] [stderr]   Downloaded parse_int v0.6.0
[INFO] [stderr]   Downloaded clap_derive v3.0.12
[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded futures v0.3.19
[INFO] [stderr]   Downloaded tokio-modbus v0.5.2
[INFO] [stderr]   Downloaded serde_yaml v0.8.23
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded socket2 v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.135
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded serde v1.0.135
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded clap v3.0.12
[INFO] [stderr]   Downloaded nix v0.22.3
[INFO] [stderr]   Downloaded tokio-serial v5.4.1
[INFO] [stderr]   Downloaded mio-serial v5.0.1
[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c
[INFO] running `Command { std: "docker" "start" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:46:1
[INFO] [stderr]    |
[INFO] [stderr] 46 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:42:12
[INFO] [stderr]    |
[INFO] [stderr] 42 | homepage = "https://github.com/justinyhuang/yams"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 47 | repository = "https://github.com/justinyhuang/yams"
[INFO] [stderr]    |              --------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `yams` (manifest) generated 2 warnings
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking parse_int v0.6.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking socket2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serialport v4.0.1
[INFO] [stderr]     Checking mio-serial v5.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling clap_derive v3.0.12
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]     Checking clap v3.0.12
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking tokio-serial v5.4.1
[INFO] [stderr]     Checking tokio-modbus v0.5.2
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking yams v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `register_data` is never read
[INFO] [stdout]    --> src/config.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub struct ModbusClientConfig {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub register_data: Option<ModbusRegisterDatabase>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ModbusClientConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 |     unsafe { transmute(data) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 49 -     unsafe { transmute(data) }
[INFO] [stdout] 49 +     unsafe { f32::from_bits(data) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     unsafe { transmute(data) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 57 -     unsafe { transmute(data) }
[INFO] [stdout] 57 +     unsafe { f64::from_bits(data) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let data: u32 = unsafe { transmute(src) };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 69 -     let data: u32 = unsafe { transmute(src) };
[INFO] [stdout] 69 +     let data: u32 = unsafe { f32::to_bits(src) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let data: u64 = unsafe { transmute(src) };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 85 -     let data: u64 = unsafe { transmute(src) };
[INFO] [stdout] 85 +     let data: u64 = unsafe { f64::to_bits(src) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `register_data` is never read
[INFO] [stdout]    --> src/config.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub struct ModbusClientConfig {
[INFO] [stdout]     |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     pub register_data: Option<ModbusRegisterDatabase>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ModbusClientConfig` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:49:14
[INFO] [stdout]    |
[INFO] [stdout] 49 |     unsafe { transmute(data) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 49 -     unsafe { transmute(data) }
[INFO] [stdout] 49 +     unsafe { f32::from_bits(data) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |     unsafe { transmute(data) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 57 -     unsafe { transmute(data) }
[INFO] [stdout] 57 +     unsafe { f64::from_bits(data) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let data: u32 = unsafe { transmute(src) };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 69 -     let data: u32 = unsafe { transmute(src) };
[INFO] [stdout] 69 +     let data: u32 = unsafe { f32::to_bits(src) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/util.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let data: u64 = unsafe { transmute(src) };
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 85 -     let data: u64 = unsafe { transmute(src) };
[INFO] [stdout] 85 +     let data: u64 = unsafe { f64::to_bits(src) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.77s
[INFO] running `Command { std: "docker" "inspect" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c", kill_on_drop: false }`
[INFO] [stdout] 57431a1bf8a3f30a80b970463a4c22b1dba02e13476ffa84ebee71fa575cc38c
