[INFO] cloning repository https://github.com/warfighter-engaged/game-with-your-brain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/warfighter-engaged/game-with-your-brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarfighter-engaged%2Fgame-with-your-brain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarfighter-engaged%2Fgame-with-your-brain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a76e395b3f0132c58677d88b4d29931f1ccae9de
[INFO] checking warfighter-engaged/game-with-your-brain against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarfighter-engaged%2Fgame-with-your-brain" "/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/warfighter-engaged/game-with-your-brain on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/warfighter-engaged/game-with-your-brain
[INFO] finished tweaking git repo https://github.com/warfighter-engaged/game-with-your-brain
[INFO] tweaked toml for git repo https://github.com/warfighter-engaged/game-with-your-brain written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/warfighter-engaged/game-with-your-brain 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v0.1.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.3
[INFO] [stderr]   Downloaded num-bigint v0.2.3
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded float_extras v0.1.6
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded simple-signal v1.1.1
[INFO] [stderr]   Downloaded tui v0.6.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1140e49fb593881cfca77cbaa4bc0e106d36d2002287d807089f90d38fa92561
[INFO] running `Command { std: "docker" "start" "-a" "1140e49fb593881cfca77cbaa4bc0e106d36d2002287d807089f90d38fa92561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1140e49fb593881cfca77cbaa4bc0e106d36d2002287d807089f90d38fa92561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1140e49fb593881cfca77cbaa4bc0e106d36d2002287d807089f90d38fa92561", kill_on_drop: false }`
[INFO] [stdout] 1140e49fb593881cfca77cbaa4bc0e106d36d2002287d807089f90d38fa92561
[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" "-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fae0cf7c6110836099efc0826e253cb81097ca16770e118fdd3c886d9654497
[INFO] running `Command { std: "docker" "start" "-a" "1fae0cf7c6110836099efc0826e253cb81097ca16770e118fdd3c886d9654497", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking single_value_channel v1.2.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]     Checking float_extras v0.1.6
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking wfpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `simple_signal` is imported redundantly
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use simple_signal::{self, Signal};
[INFO] [stdout]    |                     ^^^^ the item `simple_signal` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `peak_to_peak::*`
[INFO] [stdout]  --> src/emg_process/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use peak_to_peak::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `simple_signal` is imported redundantly
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use simple_signal::{self, Signal};
[INFO] [stdout]    |                     ^^^^ the item `simple_signal` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `peak_to_peak::*`
[INFO] [stdout]  --> src/emg_process/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use peak_to_peak::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 10.37s
[INFO] running `Command { std: "docker" "inspect" "1fae0cf7c6110836099efc0826e253cb81097ca16770e118fdd3c886d9654497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fae0cf7c6110836099efc0826e253cb81097ca16770e118fdd3c886d9654497", kill_on_drop: false }`
[INFO] [stdout] 1fae0cf7c6110836099efc0826e253cb81097ca16770e118fdd3c886d9654497
[INFO] checking warfighter-engaged/game-with-your-brain against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwarfighter-engaged%2Fgame-with-your-brain" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/warfighter-engaged/game-with-your-brain on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/warfighter-engaged/game-with-your-brain
[INFO] finished tweaking git repo https://github.com/warfighter-engaged/game-with-your-brain
[INFO] tweaked toml for git repo https://github.com/warfighter-engaged/game-with-your-brain written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/warfighter-engaged/game-with-your-brain 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1469e1446f4f6ca7c3aa6fec66913de20bef67450a01041aecfa202706124ba8
[INFO] running `Command { std: "docker" "start" "-a" "1469e1446f4f6ca7c3aa6fec66913de20bef67450a01041aecfa202706124ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1469e1446f4f6ca7c3aa6fec66913de20bef67450a01041aecfa202706124ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1469e1446f4f6ca7c3aa6fec66913de20bef67450a01041aecfa202706124ba8", kill_on_drop: false }`
[INFO] [stdout] 1469e1446f4f6ca7c3aa6fec66913de20bef67450a01041aecfa202706124ba8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef87008b501e018b7c7d99bcc61a50caf4a601c2db1b7e1c47282a1822bbf3c7
[INFO] running `Command { std: "docker" "start" "-a" "ef87008b501e018b7c7d99bcc61a50caf4a601c2db1b7e1c47282a1822bbf3c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking unicode-segmentation v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking single_value_channel v1.2.1
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking float_extras v0.1.6
[INFO] [stderr]     Checking simple-signal v1.1.1
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking tui v0.6.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking wfpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `simple_signal` is imported redundantly
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use simple_signal::{self, Signal};
[INFO] [stdout]    |                     ^^^^ the item `simple_signal` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `peak_to_peak::*`
[INFO] [stdout]  --> src/emg_process/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use peak_to_peak::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `simple_signal` is imported redundantly
[INFO] [stdout]   --> src/main.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 | use simple_signal::{self, Signal};
[INFO] [stdout]    |                     ^^^^ the item `simple_signal` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `peak_to_peak::*`
[INFO] [stdout]  --> src/emg_process/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use peak_to_peak::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 13.19s
[INFO] running `Command { std: "docker" "inspect" "ef87008b501e018b7c7d99bcc61a50caf4a601c2db1b7e1c47282a1822bbf3c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef87008b501e018b7c7d99bcc61a50caf4a601c2db1b7e1c47282a1822bbf3c7", kill_on_drop: false }`
[INFO] [stdout] ef87008b501e018b7c7d99bcc61a50caf4a601c2db1b7e1c47282a1822bbf3c7