[INFO] updating cached repository https://github.com/audiocogs/mp3.rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] checking audiocogs/mp3.rs against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/audiocogs/mp3.rs on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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 /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/audiocogs/mp3.rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da287fcff761d3b605e638457b5c903d46c2e150c6c47d90c7bbe067ff3be0a9
[INFO] running `"docker" "start" "-a" "da287fcff761d3b605e638457b5c903d46c2e150c6c47d90c7bbe067ff3be0a9"`
[INFO] [stderr]     Checking bitflags v0.1.1
[INFO] [stderr]     Checking 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` iterator 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] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/header.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |     return Some(size as u32);
[INFO] [stderr]     |                 ^^^^^^^^^^^
[INFO] [stderr] 
[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` iterator 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] error: aborting due to previous error; 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `mp3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0606]: casting `f64` as `u32` is invalid
[INFO] [stderr]    --> src/header.rs:259:17
[INFO] [stderr]     |
[INFO] [stderr] 259 |     return Some(size as u32);
[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] error: aborting due to previous error; 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `mp3`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "da287fcff761d3b605e638457b5c903d46c2e150c6c47d90c7bbe067ff3be0a9"`
[INFO] running `"docker" "rm" "-f" "da287fcff761d3b605e638457b5c903d46c2e150c6c47d90c7bbe067ff3be0a9"`
[INFO] [stdout] da287fcff761d3b605e638457b5c903d46c2e150c6c47d90c7bbe067ff3be0a9