[INFO] cloning repository https://github.com/audiocogs/mp3.rs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audiocogs/mp3.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiocogs%2Fmp3.rs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 407184f0ad208eceedbeb578340a0fe76f681af5 [INFO] checking audiocogs/mp3.rs against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [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 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "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" "+914adf04af1c1a984707f778da3d04590c03d144" "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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 8b4530e2b1df7e45f426d588ed7bbd868667e0bbede731f97b8c1c2c38c66aae [INFO] running `"docker" "start" "-a" "8b4530e2b1df7e45f426d588ed7bbd868667e0bbede731f97b8c1c2c38c66aae"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [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> { [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> { [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] 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> { [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> { [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; [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; [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] 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: if this is intentional, prefix it with an underscore: `_samples` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [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: if this is intentional, prefix it 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] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.42s [INFO] running `"docker" "inspect" "8b4530e2b1df7e45f426d588ed7bbd868667e0bbede731f97b8c1c2c38c66aae"` [INFO] running `"docker" "rm" "-f" "8b4530e2b1df7e45f426d588ed7bbd868667e0bbede731f97b8c1c2c38c66aae"` [INFO] [stdout] 8b4530e2b1df7e45f426d588ed7bbd868667e0bbede731f97b8c1c2c38c66aae