[INFO] fetching crate rplayer 0.1.1...
[INFO] checking rplayer-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rplayer 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rplayer 0.1.1 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 crates.io crate rplayer 0.1.1
[INFO] finished tweaking crates.io crate rplayer 0.1.1
[INFO] tweaked toml for crates.io crate rplayer 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rplayer 0.1.1 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 minimp3-sys v0.3.2
[INFO] [stderr]   Downloaded hound v3.4.0
[INFO] [stderr]   Downloaded cpal v0.13.4
[INFO] [stderr]   Downloaded alsa-sys v0.3.1
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.8
[INFO] [stderr]   Downloaded ndk-glue v0.3.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded ndk-glue v0.4.0
[INFO] [stderr]   Downloaded libloading v0.7.2
[INFO] [stderr]   Downloaded clang-sys v1.3.0
[INFO] [stderr]   Downloaded claxon v0.4.3
[INFO] [stderr]   Downloaded combine v4.6.2
[INFO] [stderr]   Downloaded bindgen v0.56.0
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded oboe-sys v0.4.4
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded stdweb v0.1.3
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.0
[INFO] [stderr]   Downloaded ndk v0.4.0
[INFO] [stderr]   Downloaded oboe v0.4.4
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded minimp3 v0.5.1
[INFO] [stderr]   Downloaded rodio v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5cacec67e046350550fd855fd1531bc27569f08add639fd7ef43b64fa125f036
[INFO] running `Command { std: "docker" "start" "-a" "5cacec67e046350550fd855fd1531bc27569f08add639fd7ef43b64fa125f036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cacec67e046350550fd855fd1531bc27569f08add639fd7ef43b64fa125f036", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cacec67e046350550fd855fd1531bc27569f08add639fd7ef43b64fa125f036", kill_on_drop: false }`
[INFO] [stdout] 5cacec67e046350550fd855fd1531bc27569f08add639fd7ef43b64fa125f036
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 19baa44db31facab3517341bfad9ba3874c314182b7a76fd5a331399c889c1aa
[INFO] running `Command { std: "docker" "start" "-a" "19baa44db31facab3517341bfad9ba3874c314182b7a76fd5a331399c889c1aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking alsa v0.5.0
[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 rodio v0.13.1
[INFO] [stderr]     Checking rplayer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.48s
[INFO] running `Command { std: "docker" "inspect" "19baa44db31facab3517341bfad9ba3874c314182b7a76fd5a331399c889c1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19baa44db31facab3517341bfad9ba3874c314182b7a76fd5a331399c889c1aa", kill_on_drop: false }`
[INFO] [stdout] 19baa44db31facab3517341bfad9ba3874c314182b7a76fd5a331399c889c1aa
[INFO] checking rplayer-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rplayer 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate rplayer 0.1.1 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 crates.io crate rplayer 0.1.1
[INFO] finished tweaking crates.io crate rplayer 0.1.1
[INFO] tweaked toml for crates.io crate rplayer 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate rplayer 0.1.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2aa74e852f38d094d6be7c0dc16af6527949563a1a104634f297915711e377c0
[INFO] running `Command { std: "docker" "start" "-a" "2aa74e852f38d094d6be7c0dc16af6527949563a1a104634f297915711e377c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa74e852f38d094d6be7c0dc16af6527949563a1a104634f297915711e377c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa74e852f38d094d6be7c0dc16af6527949563a1a104634f297915711e377c0", kill_on_drop: false }`
[INFO] [stdout] 2aa74e852f38d094d6be7c0dc16af6527949563a1a104634f297915711e377c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 61d050bc42e6a482a1bcb90fc39235af9f3dc097a76cd8cd51366405ffb30ddb
[INFO] running `Command { std: "docker" "start" "-a" "61d050bc42e6a482a1bcb90fc39235af9f3dc097a76cd8cd51366405ffb30ddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]     Checking ogg v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking alsa v0.5.0
[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 rodio v0.13.1
[INFO] [stderr]     Checking rplayer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.02s
[INFO] running `Command { std: "docker" "inspect" "61d050bc42e6a482a1bcb90fc39235af9f3dc097a76cd8cd51366405ffb30ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61d050bc42e6a482a1bcb90fc39235af9f3dc097a76cd8cd51366405ffb30ddb", kill_on_drop: false }`
[INFO] [stdout] 61d050bc42e6a482a1bcb90fc39235af9f3dc097a76cd8cd51366405ffb30ddb