[INFO] cloning repository https://github.com/DaniilMarch/pcm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DaniilMarch/pcm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilMarch%2Fpcm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilMarch%2Fpcm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c5dc40ca8d20943ac4bbe2b8695e5428d7ab673
[INFO] building DaniilMarch/pcm against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDaniilMarch%2Fpcm" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DaniilMarch/pcm on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DaniilMarch/pcm
[INFO] finished tweaking git repo https://github.com/DaniilMarch/pcm
[INFO] tweaked toml for git repo https://github.com/DaniilMarch/pcm written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/DaniilMarch/pcm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97db3c15a859be10cb090acf25bd686ab40bd16a3eefd8c230c5d4800612c273
[INFO] running `Command { std: "docker" "start" "-a" "97db3c15a859be10cb090acf25bd686ab40bd16a3eefd8c230c5d4800612c273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97db3c15a859be10cb090acf25bd686ab40bd16a3eefd8c230c5d4800612c273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97db3c15a859be10cb090acf25bd686ab40bd16a3eefd8c230c5d4800612c273", kill_on_drop: false }`
[INFO] [stdout] 97db3c15a859be10cb090acf25bd686ab40bd16a3eefd8c230c5d4800612c273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2a4d62162fb7fa01ed4d0893a4c63a453d652761e6eeb5eba75ea347d780dcf
[INFO] running `Command { std: "docker" "start" "-a" "e2a4d62162fb7fa01ed4d0893a4c63a453d652761e6eeb5eba75ea347d780dcf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling pcm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     for i in 0..11 { //Mp3 sync word which is 1111_1111_1111
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate` and `length` are never read
[INFO] [stdout]    --> src/lib.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct NoteFrequencyParams {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 110 |     rate: f64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 111 |     length: f64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NoteFrequencyParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGIN_NOTE_LITERA` is never used
[INFO] [stdout]    --> src/lib.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 | const ORIGIN_NOTE_LITERA: NoteLitera = NoteLitera::A;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGIN_NOTE_VALUE` is never used
[INFO] [stdout]    --> src/lib.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | const ORIGIN_NOTE_VALUE: u8 = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NoteLitera`, `NoteMusicalNotation`, and `write_to_mp3`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     write_to_mp3,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     NoteMusicalNotation, 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     NoteLitera
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "e2a4d62162fb7fa01ed4d0893a4c63a453d652761e6eeb5eba75ea347d780dcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a4d62162fb7fa01ed4d0893a4c63a453d652761e6eeb5eba75ea347d780dcf", kill_on_drop: false }`
[INFO] [stdout] e2a4d62162fb7fa01ed4d0893a4c63a453d652761e6eeb5eba75ea347d780dcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a3ab6c2ad39c8004318b1899819828884d074eb0b21cea66731b83a286a21e3
[INFO] running `Command { std: "docker" "start" "-a" "5a3ab6c2ad39c8004318b1899819828884d074eb0b21cea66731b83a286a21e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling pcm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     for i in 0..11 { //Mp3 sync word which is 1111_1111_1111
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate` and `length` are never read
[INFO] [stdout]    --> src/lib.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct NoteFrequencyParams {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 110 |     rate: f64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 111 |     length: f64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NoteFrequencyParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGIN_NOTE_LITERA` is never used
[INFO] [stdout]    --> src/lib.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 | const ORIGIN_NOTE_LITERA: NoteLitera = NoteLitera::A;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGIN_NOTE_VALUE` is never used
[INFO] [stdout]    --> src/lib.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | const ORIGIN_NOTE_VALUE: u8 = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `NoteLitera`, `NoteMusicalNotation`, and `write_to_mp3`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     write_to_mp3,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     NoteMusicalNotation, 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 9 |     NoteLitera
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lib.rs:255:9
[INFO] [stdout]     |
[INFO] [stdout] 255 |     for i in 0..11 { //Mp3 sync word which is 1111_1111_1111
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `rate` and `length` are never read
[INFO] [stdout]    --> src/lib.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct NoteFrequencyParams {
[INFO] [stdout]     |            ------------------- fields in this struct
[INFO] [stdout] 110 |     rate: f64,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 111 |     length: f64,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `NoteFrequencyParams` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGIN_NOTE_LITERA` is never used
[INFO] [stdout]    --> src/lib.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 | const ORIGIN_NOTE_LITERA: NoteLitera = NoteLitera::A;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ORIGIN_NOTE_VALUE` is never used
[INFO] [stdout]    --> src/lib.rs:119:7
[INFO] [stdout]     |
[INFO] [stdout] 119 | const ORIGIN_NOTE_VALUE: u8 = 0;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "5a3ab6c2ad39c8004318b1899819828884d074eb0b21cea66731b83a286a21e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3ab6c2ad39c8004318b1899819828884d074eb0b21cea66731b83a286a21e3", kill_on_drop: false }`
[INFO] [stdout] 5a3ab6c2ad39c8004318b1899819828884d074eb0b21cea66731b83a286a21e3