[INFO] cloning repository https://github.com/duzumaki/schroeder_reverb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duzumaki/schroeder_reverb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduzumaki%2Fschroeder_reverb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduzumaki%2Fschroeder_reverb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea3e9268e442aa6c3b8cebd3fa518486cb362667
[INFO] checking duzumaki/schroeder_reverb against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduzumaki%2Fschroeder_reverb" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duzumaki/schroeder_reverb on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duzumaki/schroeder_reverb
[INFO] finished tweaking git repo https://github.com/duzumaki/schroeder_reverb
[INFO] tweaked toml for git repo https://github.com/duzumaki/schroeder_reverb written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/duzumaki/schroeder_reverb 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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking duzumaki/schroeder_reverb against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduzumaki%2Fschroeder_reverb" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/duzumaki/schroeder_reverb on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/duzumaki/schroeder_reverb
[INFO] finished tweaking git repo https://github.com/duzumaki/schroeder_reverb
[INFO] tweaked toml for git repo https://github.com/duzumaki/schroeder_reverb written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/duzumaki/schroeder_reverb 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" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615babe249382f9f0f615da980f4d6c409b018a1f0107ed57d76968df4a51861
[INFO] running `Command { std: "docker" "start" "-a" "615babe249382f9f0f615da980f4d6c409b018a1f0107ed57d76968df4a51861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615babe249382f9f0f615da980f4d6c409b018a1f0107ed57d76968df4a51861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615babe249382f9f0f615da980f4d6c409b018a1f0107ed57d76968df4a51861", kill_on_drop: false }`
[INFO] [stdout] 615babe249382f9f0f615da980f4d6c409b018a1f0107ed57d76968df4a51861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb4b5088f1b30890089aeeed2da3d27af1b51f68f9e3ba682be60eb238c15be
[INFO] running `Command { std: "docker" "start" "-a" "5fb4b5088f1b30890089aeeed2da3d27af1b51f68f9e3ba682be60eb238c15be", kill_on_drop: false }`
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking slowed_and_reverb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `hound` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hound;
[INFO] [stdout]   |     ^^^^^ the item `hound` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if i - delay_samples >= 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hound` is imported redundantly
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hound;
[INFO] [stdout]   |     ^^^^^ the item `hound` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if i - delay_samples >= 0 {
[INFO] [stdout]    |              ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 -decay_factor * all_pass_filter_samples[(i - delay_samples) as usize];
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:44:60
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 -decay_factor * all_pass_filter_samples[(i - delay_samples) as usize];
[INFO] [stdout]    |                                                            ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if i - delay_samples >= 1 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if i - delay_samples >= 1 {
[INFO] [stdout]    |              ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:49:61
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 decay_factor * all_pass_filter_samples[(i - (1 + delay_samples)) as usize];
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:49:59
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 decay_factor * all_pass_filter_samples[(i - (1 + delay_samples)) as usize];
[INFO] [stdout]    |                                                           ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slowed_and_reverb` (bin "slowed_and_reverb" test) due to 9 previous errors; 1 warning emitted
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if i - delay_samples >= 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if i - delay_samples >= 0 {
[INFO] [stdout]    |              ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:44:62
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 -decay_factor * all_pass_filter_samples[(i - delay_samples) as usize];
[INFO] [stdout]    |                                                              ^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:44:60
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 -decay_factor * all_pass_filter_samples[(i - delay_samples) as usize];
[INFO] [stdout]    |                                                            ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if i - delay_samples >= 1 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:47:14
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if i - delay_samples >= 1 {
[INFO] [stdout]    |              ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:49:61
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 decay_factor * all_pass_filter_samples[(i - (1 + delay_samples)) as usize];
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^ expected `u16`, found `i16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot subtract `i16` from `u16`
[INFO] [stdout]   --> src/main.rs:49:59
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 decay_factor * all_pass_filter_samples[(i - (1 + delay_samples)) as usize];
[INFO] [stdout]    |                                                           ^ no implementation for `u16 - i16`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sub<i16>` is not implemented for `u16`
[INFO] [stdout]    = help: the following other types implement trait `Sub<Rhs>`:
[INFO] [stdout]              <u16 as Sub>
[INFO] [stdout]              <u16 as Sub<&u16>>
[INFO] [stdout]              <&'a u16 as Sub<u16>>
[INFO] [stdout]              <&u16 as Sub<&u16>>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slowed_and_reverb` (bin "slowed_and_reverb") due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5fb4b5088f1b30890089aeeed2da3d27af1b51f68f9e3ba682be60eb238c15be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb4b5088f1b30890089aeeed2da3d27af1b51f68f9e3ba682be60eb238c15be", kill_on_drop: false }`
[INFO] [stdout] 5fb4b5088f1b30890089aeeed2da3d27af1b51f68f9e3ba682be60eb238c15be