[INFO] fetching crate rmus 0.1.4...
[INFO] building rmus-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate rmus 0.1.4 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rmus 0.1.4
[INFO] finished tweaking crates.io crate rmus 0.1.4
[INFO] tweaked toml for crates.io crate rmus 0.1.4 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmus 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 96 packages to latest compatible versions
[INFO] [stderr]       Adding cpal v0.11.0 (available: v0.16.0)
[INFO] [stderr]       Adding crossbeam v0.7.3 (available: v0.8.4)
[INFO] [stderr]       Adding minimp3 v0.3.5 (available: v0.6.1)
[INFO] [stderr]       Adding ogg v0.7.1 (available: v0.9.2)
[INFO] [stderr]       Adding smol v0.1.18 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17b780e30ae015389fe5f95bf860ad36ef62c946bc4f0b7d3520d0a699b6c750
[INFO] running `Command { std: "docker" "start" "-a" "17b780e30ae015389fe5f95bf860ad36ef62c946bc4f0b7d3520d0a699b6c750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17b780e30ae015389fe5f95bf860ad36ef62c946bc4f0b7d3520d0a699b6c750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b780e30ae015389fe5f95bf860ad36ef62c946bc4f0b7d3520d0a699b6c750", kill_on_drop: false }`
[INFO] [stdout] 17b780e30ae015389fe5f95bf860ad36ef62c946bc4f0b7d3520d0a699b6c750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39bd0260d81d6123fa6086e7de3a829e386cfda7f3ba038e01b01d65bdbdc957
[INFO] running `Command { std: "docker" "start" "-a" "39bd0260d81d6123fa6086e7de3a829e386cfda7f3ba038e01b01d65bdbdc957", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling cpal v0.11.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling cache-padded v1.3.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling ogg v0.8.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling ogg v0.7.1
[INFO] [stderr]    Compiling claxon v0.4.3
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling lewton v0.10.2
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling minimp3 v0.3.5
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling rmus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom` and `prelude::*`
[INFO] [stdout]  --> src/decoders/mp3.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufReader, prelude::*, SeekFrom},
[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 function argument
[INFO] [stdout]   --> src/decoders/flac.rs:51:53
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[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] 51 -                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout] 51 +                     self.buf.push_back(Sample::from(block.sample(channel_pos as u32, sample_pos) ));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:192:46
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   Ok(v) => (v as f32 * vol as f32 / 100.0),
[INFO] [stdout]     |                                ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -                                     Ok(v) => (v as f32 * vol as f32 / 100.0),
[INFO] [stdout] 192 +                                     Ok(v) => v as f32 * vol as f32 / 100.0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/decoders/flac.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn goto (&self, pos: u64) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/decoders/flac.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Err(v) => panic!(v),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Err(v) => panic!("{}", v),
[INFO] [stdout]    |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 48 -                 Err(v) => panic!(v),
[INFO] [stdout] 48 +                 Err(v) => std::panic::panic_any(v),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.32s
[INFO] running `Command { std: "docker" "inspect" "39bd0260d81d6123fa6086e7de3a829e386cfda7f3ba038e01b01d65bdbdc957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bd0260d81d6123fa6086e7de3a829e386cfda7f3ba038e01b01d65bdbdc957", kill_on_drop: false }`
[INFO] [stdout] 39bd0260d81d6123fa6086e7de3a829e386cfda7f3ba038e01b01d65bdbdc957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68320815a9c811a9b13d6d544f93fe336b05257a1aaf71fe2e7d6b6c959a304e
[INFO] running `Command { std: "docker" "start" "-a" "68320815a9c811a9b13d6d544f93fe336b05257a1aaf71fe2e7d6b6c959a304e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rmus v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SeekFrom` and `prelude::*`
[INFO] [stdout]  --> src/decoders/mp3.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufReader, prelude::*, SeekFrom},
[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 function argument
[INFO] [stdout]   --> src/decoders/flac.rs:51:53
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[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] 51 -                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout] 51 +                     self.buf.push_back(Sample::from(block.sample(channel_pos as u32, sample_pos) ));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:192:46
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   Ok(v) => (v as f32 * vol as f32 / 100.0),
[INFO] [stdout]     |                                ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -                                     Ok(v) => (v as f32 * vol as f32 / 100.0),
[INFO] [stdout] 192 +                                     Ok(v) => v as f32 * vol as f32 / 100.0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/decoders/flac.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn goto (&self, pos: u64) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/decoders/flac.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Err(v) => panic!(v),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Err(v) => panic!("{}", v),
[INFO] [stdout]    |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 48 -                 Err(v) => panic!(v),
[INFO] [stdout] 48 +                 Err(v) => std::panic::panic_any(v),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeekFrom` and `prelude::*`
[INFO] [stdout]  --> src/decoders/mp3.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{BufReader, prelude::*, SeekFrom},
[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 function argument
[INFO] [stdout]   --> src/decoders/flac.rs:51:53
[INFO] [stdout]    |
[INFO] [stdout] 51 |                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[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] 51 -                     self.buf.push_back(Sample::from((block.sample(channel_pos as u32, sample_pos))));
[INFO] [stdout] 51 +                     self.buf.push_back(Sample::from(block.sample(channel_pos as u32, sample_pos) ));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/lib.rs:192:46
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   Ok(v) => (v as f32 * vol as f32 / 100.0),
[INFO] [stdout]     |                                ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -                                     Ok(v) => (v as f32 * vol as f32 / 100.0),
[INFO] [stdout] 192 +                                     Ok(v) => v as f32 * vol as f32 / 100.0 ,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/decoders/flac.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn goto (&self, pos: u64) {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/decoders/flac.rs:48:34
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Err(v) => panic!(v),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 Err(v) => panic!("{}", v),
[INFO] [stdout]    |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 48 -                 Err(v) => panic!(v),
[INFO] [stdout] 48 +                 Err(v) => std::panic::panic_any(v),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "68320815a9c811a9b13d6d544f93fe336b05257a1aaf71fe2e7d6b6c959a304e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68320815a9c811a9b13d6d544f93fe336b05257a1aaf71fe2e7d6b6c959a304e", kill_on_drop: false }`
[INFO] [stdout] 68320815a9c811a9b13d6d544f93fe336b05257a1aaf71fe2e7d6b6c959a304e
