[INFO] fetching crate quiet 0.1.0...
[INFO] testing quiet-0.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate quiet 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate quiet 0.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate quiet 0.1.0
[INFO] finished tweaking crates.io crate quiet 0.1.0
[INFO] tweaked toml for crates.io crate quiet 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06aa515b0436ab04609ab503e544359cbc142fdfcabe86bc1949611536a56b30
[INFO] running `Command { std: "docker" "start" "-a" "06aa515b0436ab04609ab503e544359cbc142fdfcabe86bc1949611536a56b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06aa515b0436ab04609ab503e544359cbc142fdfcabe86bc1949611536a56b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06aa515b0436ab04609ab503e544359cbc142fdfcabe86bc1949611536a56b30", kill_on_drop: false }`
[INFO] [stdout] 06aa515b0436ab04609ab503e544359cbc142fdfcabe86bc1949611536a56b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e87c0ed1aa9c84f2b8ba46b92722643d3877f823adf70a69d34bb986a869919
[INFO] running `Command { std: "docker" "start" "-a" "4e87c0ed1aa9c84f2b8ba46b92722643d3877f823adf70a69d34bb986a869919", kill_on_drop: false }`
[INFO] [stderr]    Compiling quiet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/fec/convolutional/decoder.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fec/convolutional/decoder.rs:170:25
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/fec/convolutional/bit.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "4e87c0ed1aa9c84f2b8ba46b92722643d3877f823adf70a69d34bb986a869919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e87c0ed1aa9c84f2b8ba46b92722643d3877f823adf70a69d34bb986a869919", kill_on_drop: false }`
[INFO] [stdout] 4e87c0ed1aa9c84f2b8ba46b92722643d3877f823adf70a69d34bb986a869919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd18ae6d4d7d5e106a6134b38f45a8b2c19940f4327657d7f6fe437964b1a984
[INFO] running `Command { std: "docker" "start" "-a" "bd18ae6d4d7d5e106a6134b38f45a8b2c19940f4327657d7f6fe437964b1a984", kill_on_drop: false }`
[INFO] [stderr]    Compiling quiet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/fec/convolutional/decoder.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fec/convolutional/decoder.rs:170:25
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/fec/convolutional/bit.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/fec/convolutional/decoder.rs:92:25
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stdout]    |                         ----^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/fec/convolutional/decoder.rs:170:25
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stdout]     |                         ----^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]    --> src/fec/convolutional/bit.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |     pub fn len(&self) -> usize {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "bd18ae6d4d7d5e106a6134b38f45a8b2c19940f4327657d7f6fe437964b1a984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd18ae6d4d7d5e106a6134b38f45a8b2c19940f4327657d7f6fe437964b1a984", kill_on_drop: false }`
[INFO] [stdout] bd18ae6d4d7d5e106a6134b38f45a8b2c19940f4327657d7f6fe437964b1a984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7d281c79f7d6cce74be685fca8f33851d9823a259f4678ff9cd4e824e3abc11e
[INFO] running `Command { std: "docker" "start" "-a" "7d281c79f7d6cce74be685fca8f33851d9823a259f4678ff9cd4e824e3abc11e", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/fec/convolutional/decoder.rs:92:25
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let mut errors = &mut self.error_table.errors;
[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/fec/convolutional/decoder.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                     let mut errors = &mut self.error_table.errors;
[INFO] [stderr]     |                         ----^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `len`
[INFO] [stderr]    --> src/fec/convolutional/bit.rs:177:12
[INFO] [stderr]     |
[INFO] [stderr] 177 |     pub fn len(&self) -> usize {
[INFO] [stderr]     |            ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `quiet` (lib) generated 3 warnings
[INFO] [stderr] warning: `quiet` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quiet-7c04cff9a0d049f2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests quiet
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7d281c79f7d6cce74be685fca8f33851d9823a259f4678ff9cd4e824e3abc11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d281c79f7d6cce74be685fca8f33851d9823a259f4678ff9cd4e824e3abc11e", kill_on_drop: false }`
[INFO] [stdout] 7d281c79f7d6cce74be685fca8f33851d9823a259f4678ff9cd4e824e3abc11e