[INFO] fetching crate pxtone 0.1.0...
[INFO] checking pxtone-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate pxtone 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pxtone 0.1.0 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 pxtone 0.1.0
[INFO] finished tweaking crates.io crate pxtone 0.1.0
[INFO] tweaked toml for crates.io crate pxtone 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate pxtone 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpal v0.13.4
[INFO] [stderr]   Downloaded ndk-glue v0.3.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded coreaudio-rs v0.10.0
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded alsa v0.5.0
[INFO] [stderr]   Downloaded oboe-sys v0.4.4
[INFO] [stderr]   Downloaded nix v0.20.1
[INFO] [stderr]   Downloaded pxtone-sys v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] [stderr]   Downloaded ndk v0.4.0
[INFO] [stderr]   Downloaded clang-sys v1.2.1
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded ndk-glue v0.4.0
[INFO] [stderr]   Downloaded oboe v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5686d3df5b465f96918b48e47691b9e4e020ede0df62df0ee6c12ba22b17c546
[INFO] running `Command { std: "docker" "start" "-a" "5686d3df5b465f96918b48e47691b9e4e020ede0df62df0ee6c12ba22b17c546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5686d3df5b465f96918b48e47691b9e4e020ede0df62df0ee6c12ba22b17c546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5686d3df5b465f96918b48e47691b9e4e020ede0df62df0ee6c12ba22b17c546", kill_on_drop: false }`
[INFO] [stdout] 5686d3df5b465f96918b48e47691b9e4e020ede0df62df0ee6c12ba22b17c546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 80193c07af9ab73de7cff1579fa44dad84fcc717a16d90f81a4674ab5f33540e
[INFO] running `Command { std: "docker" "start" "-a" "80193c07af9ab73de7cff1579fa44dad84fcc717a16d90f81a4674ab5f33540e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling clang-sys v1.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling cexpr v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]    Compiling pxtone-sys v0.1.1
[INFO] [stderr]     Checking pxtone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "80193c07af9ab73de7cff1579fa44dad84fcc717a16d90f81a4674ab5f33540e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80193c07af9ab73de7cff1579fa44dad84fcc717a16d90f81a4674ab5f33540e", kill_on_drop: false }`
[INFO] [stdout] 80193c07af9ab73de7cff1579fa44dad84fcc717a16d90f81a4674ab5f33540e
[INFO] checking pxtone-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate pxtone 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate pxtone 0.1.0 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 pxtone 0.1.0
[INFO] finished tweaking crates.io crate pxtone 0.1.0
[INFO] tweaked toml for crates.io crate pxtone 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate pxtone 0.1.0 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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fba5df5da1f0e9f6db95451d13db8caf8303f7a4bfe1bfb5c52c891e8eddcfa
[INFO] running `Command { std: "docker" "start" "-a" "9fba5df5da1f0e9f6db95451d13db8caf8303f7a4bfe1bfb5c52c891e8eddcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fba5df5da1f0e9f6db95451d13db8caf8303f7a4bfe1bfb5c52c891e8eddcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fba5df5da1f0e9f6db95451d13db8caf8303f7a4bfe1bfb5c52c891e8eddcfa", kill_on_drop: false }`
[INFO] [stdout] 9fba5df5da1f0e9f6db95451d13db8caf8303f7a4bfe1bfb5c52c891e8eddcfa
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad692722956156ac81b8a49c08ada8cedf5427d53cc78d5c4c3c69b84ee25ae5
[INFO] running `Command { std: "docker" "start" "-a" "ad692722956156ac81b8a49c08ada8cedf5427d53cc78d5c4c3c69b84ee25ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling cpal v0.13.4
[INFO] [stderr]    Compiling clang-sys v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling cexpr v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.28
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking thiserror v1.0.28
[INFO] [stderr]    Compiling pxtone-sys v0.1.1
[INFO] [stderr]     Checking pxtone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "ad692722956156ac81b8a49c08ada8cedf5427d53cc78d5c4c3c69b84ee25ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad692722956156ac81b8a49c08ada8cedf5427d53cc78d5c4c3c69b84ee25ae5", kill_on_drop: false }`
[INFO] [stdout] ad692722956156ac81b8a49c08ada8cedf5427d53cc78d5c4c3c69b84ee25ae5