[INFO] cloning repository birktj/ais-decoder
[INFO] running `"git" "clone" "--bare" "git://github.com/birktj/ais-decoder.git" "work/cache/sources/gh/birktj/ais-decoder"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/birktj/ais-decoder'...
[INFO] running `"git" "clone" "work/cache/sources/gh/birktj/ais-decoder" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/birktj/ais-decoder"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/birktj/ais-decoder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/birktj/ais-decoder" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/birktj/ais-decoder"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/birktj/ais-decoder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4834a22c016dea70c808b2a59288f667ce9e4a25
[INFO] sha for GitHub repo birktj/ais-decoder: 4834a22c016dea70c808b2a59288f667ce9e4a25
[INFO] validating manifest of birktj/ais-decoder on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of birktj/ais-decoder on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing birktj/ais-decoder
[INFO] finished frobbing birktj/ais-decoder
[INFO] frobbed toml for birktj/ais-decoder written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/birktj/ais-decoder/Cargo.toml
[INFO] started frobbing birktj/ais-decoder
[INFO] finished frobbing birktj/ais-decoder
[INFO] frobbed toml for birktj/ais-decoder written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/birktj/ais-decoder/Cargo.toml
[INFO] crate birktj/ais-decoder already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing birktj/ais-decoder against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/birktj/ais-decoder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 1ebb6df1482ae0ffeed453ae1a3252bfbc067703707a8f572ac94264bc320f6e
[INFO] running `"docker" "start" "-a" "1ebb6df1482ae0ffeed453ae1a3252bfbc067703707a8f572ac94264bc320f6e"`
[INFO] [stderr]    Compiling gnuplot v0.0.26
[INFO] [stderr]    Compiling ais-decoder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Command`, `Stdio`
[INFO] [stderr]  --> src/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process::{Command, Stdio};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `clock`
[INFO] [stderr]    --> src/main.rs:476:13
[INFO] [stderr]     |
[INFO] [stderr] 476 |     let mut clock = FunctionSignal::new(|x| if (x*9600.0) as i64 % 2 >= 1 {250.0} else {0.0});
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_clock`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |     let mut signal = SampledSignal::from_iterator(50000.0, data);
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:476:9
[INFO] [stderr]     |
[INFO] [stderr] 476 |     let mut clock = FunctionSignal::new(|x| if (x*9600.0) as i64 % 2 >= 1 {250.0} else {0.0});
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:513:9
[INFO] [stderr]     |
[INFO] [stderr] 513 |     let mut ais_data = low_pass_iter(1.0, signal.sample_iter(1.0 / (9600.0 * 20.0)))
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_wav`
[INFO] [stderr]    --> src/main.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn from_wav<R: std::io::Read>(reader: hound::WavReader<R>) -> SampledSignal<impl Iterator<Item = f64>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_slice`
[INFO] [stderr]    --> src/main.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn from_slice<'a>(sample_rate: f64, slice: &'a [f64]) -> SampledSignal<impl Iterator<Item = f64> + 'a> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_owned`
[INFO] [stderr]    --> src/main.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn to_owned(self) -> SampledSignal<std::vec::IntoIter<f64>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `low_pass`
[INFO] [stderr]    --> src/main.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn low_pass(x: &[f32]) -> Vec<f32> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `string`
[INFO] [stderr]    --> src/main.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn string(bytes: &[u8], start: usize, end: usize) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `"docker" "inspect" "1ebb6df1482ae0ffeed453ae1a3252bfbc067703707a8f572ac94264bc320f6e"`
[INFO] running `"docker" "rm" "-f" "1ebb6df1482ae0ffeed453ae1a3252bfbc067703707a8f572ac94264bc320f6e"`
[INFO] [stdout] 1ebb6df1482ae0ffeed453ae1a3252bfbc067703707a8f572ac94264bc320f6e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/birktj/ais-decoder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a79fe958868515867d129e7eeb373ce544410bdc272a95fced9bb6c70adf9e2e
[INFO] running `"docker" "start" "-a" "a79fe958868515867d129e7eeb373ce544410bdc272a95fced9bb6c70adf9e2e"`
[INFO] [stderr]    Compiling ais-decoder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Command`, `Stdio`
[INFO] [stderr]  --> src/main.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::process::{Command, Stdio};
[INFO] [stderr]   |                    ^^^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/main.rs:6:21
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `clock`
[INFO] [stderr]    --> src/main.rs:476:13
[INFO] [stderr]     |
[INFO] [stderr] 476 |     let mut clock = FunctionSignal::new(|x| if (x*9600.0) as i64 % 2 >= 1 {250.0} else {0.0});
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_clock`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:469:9
[INFO] [stderr]     |
[INFO] [stderr] 469 |     let mut signal = SampledSignal::from_iterator(50000.0, data);
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:476:9
[INFO] [stderr]     |
[INFO] [stderr] 476 |     let mut clock = FunctionSignal::new(|x| if (x*9600.0) as i64 % 2 >= 1 {250.0} else {0.0});
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:513:9
[INFO] [stderr]     |
[INFO] [stderr] 513 |     let mut ais_data = low_pass_iter(1.0, signal.sample_iter(1.0 / (9600.0 * 20.0)))
[INFO] [stderr]     |         ----^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_wav`
[INFO] [stderr]    --> src/main.rs:106:5
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn from_wav<R: std::io::Read>(reader: hound::WavReader<R>) -> SampledSignal<impl Iterator<Item = f64>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_slice`
[INFO] [stderr]    --> src/main.rs:131:5
[INFO] [stderr]     |
[INFO] [stderr] 131 |     fn from_slice<'a>(sample_rate: f64, slice: &'a [f64]) -> SampledSignal<impl Iterator<Item = f64> + 'a> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_owned`
[INFO] [stderr]    --> src/main.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn to_owned(self) -> SampledSignal<std::vec::IntoIter<f64>> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `low_pass`
[INFO] [stderr]    --> src/main.rs:190:1
[INFO] [stderr]     |
[INFO] [stderr] 190 | fn low_pass(x: &[f32]) -> Vec<f32> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `string`
[INFO] [stderr]    --> src/main.rs:257:5
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn string(bytes: &[u8], start: usize, end: usize) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "a79fe958868515867d129e7eeb373ce544410bdc272a95fced9bb6c70adf9e2e"`
[INFO] running `"docker" "rm" "-f" "a79fe958868515867d129e7eeb373ce544410bdc272a95fced9bb6c70adf9e2e"`
[INFO] [stdout] a79fe958868515867d129e7eeb373ce544410bdc272a95fced9bb6c70adf9e2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/birktj/ais-decoder:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 219546ddfb05902ecfb7ce494de1c875dbdf8273e265a0332fc9f5e682f738c8
[INFO] running `"docker" "start" "-a" "219546ddfb05902ecfb7ce494de1c875dbdf8273e265a0332fc9f5e682f738c8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ais_decoder-9ecc0ad3aeec03a0
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "219546ddfb05902ecfb7ce494de1c875dbdf8273e265a0332fc9f5e682f738c8"`
[INFO] running `"docker" "rm" "-f" "219546ddfb05902ecfb7ce494de1c875dbdf8273e265a0332fc9f5e682f738c8"`
[INFO] [stdout] 219546ddfb05902ecfb7ce494de1c875dbdf8273e265a0332fc9f5e682f738c8