[INFO] cloning repository https://github.com/eliaspoylio/wavetable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eliaspoylio/wavetable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliaspoylio%2Fwavetable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliaspoylio%2Fwavetable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb3d2aa9fe8188e5034f4a6f44930267cdd97a91
[INFO] checking eliaspoylio/wavetable against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliaspoylio%2Fwavetable" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliaspoylio/wavetable 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] started tweaking git repo https://github.com/eliaspoylio/wavetable
[INFO] finished tweaking git repo https://github.com/eliaspoylio/wavetable
[INFO] tweaked toml for git repo https://github.com/eliaspoylio/wavetable written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eliaspoylio/wavetable 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d9ebfe7d6284a8b7604d82fffc18f4154852c358986e6c54d28f6b65e903cf89
[INFO] running `Command { std: "docker" "start" "-a" "d9ebfe7d6284a8b7604d82fffc18f4154852c358986e6c54d28f6b65e903cf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9ebfe7d6284a8b7604d82fffc18f4154852c358986e6c54d28f6b65e903cf89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ebfe7d6284a8b7604d82fffc18f4154852c358986e6c54d28f6b65e903cf89", kill_on_drop: false }`
[INFO] [stdout] d9ebfe7d6284a8b7604d82fffc18f4154852c358986e6c54d28f6b65e903cf89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 640b0cc5190d52fd1785d43108bfb063781e47f7d72dcedf76149734cbb271b1
[INFO] running `Command { std: "docker" "start" "-a" "640b0cc5190d52fd1785d43108bfb063781e47f7d72dcedf76149734cbb271b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]     Checking rodio v0.14.0
[INFO] [stderr]     Checking wavetable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.34s
[INFO] running `Command { std: "docker" "inspect" "640b0cc5190d52fd1785d43108bfb063781e47f7d72dcedf76149734cbb271b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640b0cc5190d52fd1785d43108bfb063781e47f7d72dcedf76149734cbb271b1", kill_on_drop: false }`
[INFO] [stdout] 640b0cc5190d52fd1785d43108bfb063781e47f7d72dcedf76149734cbb271b1
[INFO] checking eliaspoylio/wavetable against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliaspoylio%2Fwavetable" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliaspoylio/wavetable 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] started tweaking git repo https://github.com/eliaspoylio/wavetable
[INFO] finished tweaking git repo https://github.com/eliaspoylio/wavetable
[INFO] tweaked toml for git repo https://github.com/eliaspoylio/wavetable written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eliaspoylio/wavetable 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1a4b2c087becbc4de6b8bef74bcfe4389714a46ed3667a40c5f5ac22c8436247
[INFO] running `Command { std: "docker" "start" "-a" "1a4b2c087becbc4de6b8bef74bcfe4389714a46ed3667a40c5f5ac22c8436247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a4b2c087becbc4de6b8bef74bcfe4389714a46ed3667a40c5f5ac22c8436247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4b2c087becbc4de6b8bef74bcfe4389714a46ed3667a40c5f5ac22c8436247", kill_on_drop: false }`
[INFO] [stdout] 1a4b2c087becbc4de6b8bef74bcfe4389714a46ed3667a40c5f5ac22c8436247
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bad8caa307063f9c8f7036a87991615f8d623c2919890479c9ecc8acd9055eff
[INFO] running `Command { std: "docker" "start" "-a" "bad8caa307063f9c8f7036a87991615f8d623c2919890479c9ecc8acd9055eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking minimp3 v0.5.1
[INFO] [stderr]     Checking rodio v0.14.0
[INFO] [stderr]     Checking wavetable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "bad8caa307063f9c8f7036a87991615f8d623c2919890479c9ecc8acd9055eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad8caa307063f9c8f7036a87991615f8d623c2919890479c9ecc8acd9055eff", kill_on_drop: false }`
[INFO] [stdout] bad8caa307063f9c8f7036a87991615f8d623c2919890479c9ecc8acd9055eff