[INFO] cloning repository https://github.com/jhnstrk/fitreader-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhnstrk/fitreader-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhnstrk%2Ffitreader-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhnstrk%2Ffitreader-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dafd2ebf3777fa53deb0460d073bbaa6673b60a9
[INFO] checking jhnstrk/fitreader-rs against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhnstrk%2Ffitreader-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhnstrk/fitreader-rs
[INFO] finished tweaking git repo https://github.com/jhnstrk/fitreader-rs
[INFO] tweaked toml for git repo https://github.com/jhnstrk/fitreader-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhnstrk/fitreader-rs on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jhnstrk/fitreader-rs 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2f9303ca5b60514ca223326a63cfb35a66cd2e8dc4b1945ce8c4930c23cc6b6
[INFO] running `Command { std: "docker" "start" "-a" "a2f9303ca5b60514ca223326a63cfb35a66cd2e8dc4b1945ce8c4930c23cc6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2f9303ca5b60514ca223326a63cfb35a66cd2e8dc4b1945ce8c4930c23cc6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f9303ca5b60514ca223326a63cfb35a66cd2e8dc4b1945ce8c4930c23cc6b6", kill_on_drop: false }`
[INFO] [stdout] a2f9303ca5b60514ca223326a63cfb35a66cd2e8dc4b1945ce8c4930c23cc6b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 209b23339651ecda284bea61d2963e603a32f2975c977dfeb330f260162e5942
[INFO] running `Command { std: "docker" "start" "-a" "209b23339651ecda284bea61d2963e603a32f2975c977dfeb330f260162e5942", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling syn v1.0.93
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking fit_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/fittypes.rs:276:46
[INFO] [stdout]     |
[INFO] [stdout] 276 |             FitFieldData::FitString(x, _) => (!x.is_empty()),
[INFO] [stdout]     |                                              ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -             FitFieldData::FitString(x, _) => (!x.is_empty()),
[INFO] [stdout] 276 +             FitFieldData::FitString(x, _) => !x.is_empty(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FitDeveloperFieldDefinition`
[INFO] [stdout]  --> src/fitdatamesg.rs:5:156
[INFO] [stdout]   |
[INFO] [stdout] 5 | ...aDescription, FitDevDataField, FitFileDeveloperId, FitDeveloperFieldDefinition};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/fittypes.rs:276:46
[INFO] [stdout]     |
[INFO] [stdout] 276 |             FitFieldData::FitString(x, _) => (!x.is_empty()),
[INFO] [stdout]     |                                              ^             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 276 -             FitFieldData::FitString(x, _) => (!x.is_empty()),
[INFO] [stdout] 276 +             FitFieldData::FitString(x, _) => !x.is_empty(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FitDeveloperFieldDefinition`
[INFO] [stdout]  --> src/fitdatamesg.rs:5:156
[INFO] [stdout]   |
[INFO] [stdout] 5 | ...aDescription, FitDevDataField, FitFileDeveloperId, FitDeveloperFieldDefinition};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fitdatamesg.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let mut developer_id: FitFileDeveloperId = Default::default();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fitdatamesg.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |             let mut developer_id: FitFileDeveloperId = Default::default();
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FitFileReader` is never constructed
[INFO] [stdout]   --> src/fitfile.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct FitFileReader<R: Read> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `read_global_header`, `read_next`, and `source` are never used
[INFO] [stdout]   --> src/fitfile.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<R: Read> FitFileReader<R> {
[INFO] [stdout]    | ------------------------------ associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(source: R) -> FitFileReader<R> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn read_global_header(&mut self) -> std::io::Result< FitFileHeader > {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn read_next(&mut self) -> std::io::Result<FitRecord>  {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn source(&self) -> &R   {&self.source}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FitFileWriter` is never constructed
[INFO] [stdout]   --> src/fitfile.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | struct FitFileWriter<W: Write + Seek> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write_global_header`, `write_next`, `finalize`, and `target` are never used
[INFO] [stdout]    --> src/fitfile.rs:74:12
[INFO] [stdout]     |
[INFO] [stdout]  73 | impl<W: Read + Write + Seek> FitFileWriter<W> {
[INFO] [stdout]     | --------------------------------------------- associated items in this implementation
[INFO] [stdout]  74 |     pub fn new(target: W) -> FitFileWriter<W> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     pub fn write_global_header(&mut self, header: &FitFileHeader) -> std::io::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     pub fn write_next(&mut self, rec: &FitRecord) -> std::io::Result<()>  {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  90 |     pub fn finalize(&mut self) -> std::io::Result<()>  {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn target(&self) -> &W   {&self.target}
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/fittypes.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |             std::mem::transmute::<f32, u32>(*item)
[INFO] [stdout]     |             -------------------------------^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/fittypes.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             std::mem::transmute::<f64, u64>(*item)
[INFO] [stdout]     |             -------------------------------^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace this with: `f64::to_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `source` is never used
[INFO] [stdout]   --> src/fitfile.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<R: Read> FitFileReader<R> {
[INFO] [stdout]    | ------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn source(&self) -> &R   {&self.source}
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[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/fittypes.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |             std::mem::transmute::<f32, u32>(*item)
[INFO] [stdout]     |             -------------------------------^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace this with: `f32::to_bits`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/fittypes.rs:255:13
[INFO] [stdout]     |
[INFO] [stdout] 255 |             std::mem::transmute::<f64, u64>(*item)
[INFO] [stdout]     |             -------------------------------^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: replace this with: `f64::to_bits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "209b23339651ecda284bea61d2963e603a32f2975c977dfeb330f260162e5942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209b23339651ecda284bea61d2963e603a32f2975c977dfeb330f260162e5942", kill_on_drop: false }`
[INFO] [stdout] 209b23339651ecda284bea61d2963e603a32f2975c977dfeb330f260162e5942
