[INFO] updating cached repository https://github.com/audiocogs/mp3.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 407184f0ad208eceedbeb578340a0fe76f681af5
[INFO] testing audiocogs/mp3.rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs" "work/builds/worker-9/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/audiocogs/mp3.rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/audiocogs/mp3.rs
[INFO] finished tweaking git repo https://github.com/audiocogs/mp3.rs
[INFO] tweaked toml for git repo https://github.com/audiocogs/mp3.rs written to work/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/audiocogs/mp3.rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c0b4b23e87637904edfa42fbd68ec3b60a5409615bad9134885e7fd0fe16d16f
[INFO] running `"docker" "start" "-a" "c0b4b23e87637904edfa42fbd68ec3b60a5409615bad9134885e7fd0fe16d16f"`
[INFO] [stderr]    Compiling mp3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frame.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 |   pub fn read_from(reader: &mut peeker::Peeker) -> io::Result<Option<MpegFrame>> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn peeker::Peeker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/header.rs:195:33
[INFO] [stderr]     |
[INFO] [stderr] 195 |   pub fn read_from(reader: &mut Peeker) -> io::Result<Option<Header>> {
[INFO] [stderr]     |                                 ^^^^^^ help: use `dyn`: `dyn Peeker`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> src/peeker.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> src/bitreader.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::SeekFrom`
[INFO] [stderr]  --> src/bitreader.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::SeekFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bitreader.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |   reader: &'a mut (io::Read + 'a)
[INFO] [stderr]   |                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bitreader.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |   pub fn new(reader: &'a mut io::Read) -> BitReader<'a> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/bitreader.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for _ in (0..n) {
[INFO] [stderr]    |              ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/layer1.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Cursor`
[INFO] [stderr]  --> src/layer1.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Cursor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Seek`
[INFO] [stderr]  --> src/peeker.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Seek;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `samples`
[INFO] [stderr]   --> src/main.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |           let samples = layer1::decode_layer1(&mut reader, h.header);
[INFO] [stderr]    |               ^^^^^^^ help: consider prefixing with an underscore: `_samples`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `"docker" "inspect" "c0b4b23e87637904edfa42fbd68ec3b60a5409615bad9134885e7fd0fe16d16f"`
[INFO] running `"docker" "rm" "-f" "c0b4b23e87637904edfa42fbd68ec3b60a5409615bad9134885e7fd0fe16d16f"`
[INFO] [stdout] c0b4b23e87637904edfa42fbd68ec3b60a5409615bad9134885e7fd0fe16d16f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] e6fc0aa0efcbb1f772807ec2daa014592e3e67196929d897c8b5157a7f51bd07
[INFO] running `"docker" "start" "-a" "e6fc0aa0efcbb1f772807ec2daa014592e3e67196929d897c8b5157a7f51bd07"`
[INFO] [stderr]    Compiling mp3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/frame.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 |   pub fn read_from(reader: &mut peeker::Peeker) -> io::Result<Option<MpegFrame>> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn peeker::Peeker`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/header.rs:195:33
[INFO] [stderr]     |
[INFO] [stderr] 195 |   pub fn read_from(reader: &mut Peeker) -> io::Result<Option<Header>> {
[INFO] [stderr]     |                                 ^^^^^^ help: use `dyn`: `dyn Peeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/peeker.rs:33:38
[INFO] [stderr]    |
[INFO] [stderr] 33 |   let mut pkr = Box::new(buf) as Box<Peeker>;
[INFO] [stderr]    |                                      ^^^^^^ help: use `dyn`: `dyn Peeker`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/peeker.rs:41:38
[INFO] [stderr]    |
[INFO] [stderr] 41 |   let mut pkr = Box::new(buf) as Box<Peeker>;
[INFO] [stderr]    |                                      ^^^^^^ help: use `dyn`: `dyn Peeker`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::SeekFrom`
[INFO] [stderr]  --> src/bitreader.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::SeekFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/bitreader.rs:8:20
[INFO] [stderr]   |
[INFO] [stderr] 8 |   reader: &'a mut (io::Read + 'a)
[INFO] [stderr]   |                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bitreader.rs:12:30
[INFO] [stderr]    |
[INFO] [stderr] 12 |   pub fn new(reader: &'a mut io::Read) -> BitReader<'a> {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/bitreader.rs:19:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |     for _ in (0..n) {
[INFO] [stderr]    |              ^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Seek`
[INFO] [stderr]  --> src/peeker.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::Seek;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `samples`
[INFO] [stderr]   --> src/main.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |           let samples = layer1::decode_layer1(&mut reader, h.header);
[INFO] [stderr]    |               ^^^^^^^ help: consider prefixing with an underscore: `_samples`
[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/peeker.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 |   let mut buf = Cursor::new(vec![0xFFu8, 0xAA, 0x44, 0xA3]);
[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/peeker.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 |   let mut buf = Cursor::new(vec![0xFFu8, 0xAA, 0x44, 0xA3, 0x34, 0x99, 0x44]);
[INFO] [stderr]    |       ----^^^
[INFO] [stderr]    |       |
[INFO] [stderr]    |       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "e6fc0aa0efcbb1f772807ec2daa014592e3e67196929d897c8b5157a7f51bd07"`
[INFO] running `"docker" "rm" "-f" "e6fc0aa0efcbb1f772807ec2daa014592e3e67196929d897c8b5157a7f51bd07"`
[INFO] [stdout] e6fc0aa0efcbb1f772807ec2daa014592e3e67196929d897c8b5157a7f51bd07
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 7d4e16da67f34806295bc47a02ca16f99ce8a660367e9421aa120e9a53c56fe6
[INFO] running `"docker" "start" "-a" "7d4e16da67f34806295bc47a02ca16f99ce8a660367e9421aa120e9a53c56fe6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mp3-c1328e3ca100777e
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test peeker::test_peek_in_small_buf ... ok
[INFO] [stdout] test bitreader::test_medium_reads ... ok
[INFO] [stdout] test bitreader::test_large_reads ... ok
[INFO] [stdout] test bitreader::test_stream ... ok
[INFO] [stdout] test bitreader::test_stream2 ... ok
[INFO] [stdout] test bitreader::test_short_reads ... ok
[INFO] [stdout] test peeker::test_peek_in_medium_buf ... ok
[INFO] [stdout] test layer1::test_bit_allocations ... ok
[INFO] [stdout] test layer1::test_scale_factors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7d4e16da67f34806295bc47a02ca16f99ce8a660367e9421aa120e9a53c56fe6"`
[INFO] running `"docker" "rm" "-f" "7d4e16da67f34806295bc47a02ca16f99ce8a660367e9421aa120e9a53c56fe6"`
[INFO] [stdout] 7d4e16da67f34806295bc47a02ca16f99ce8a660367e9421aa120e9a53c56fe6