[INFO] cloning repository https://github.com/matt-h/mpd-pulse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-h/mpd-pulse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15a02ca8028faad987b634a9c83a04e22326b8cd
[INFO] checking matt-h/mpd-pulse against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-h/mpd-pulse 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/matt-h/mpd-pulse
[INFO] finished tweaking git repo https://github.com/matt-h/mpd-pulse
[INFO] tweaked toml for git repo https://github.com/matt-h/mpd-pulse written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-h/mpd-pulse 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 libpulse-sys v1.19.3
[INFO] [stderr]   Downloaded rust-pulsectl-fork v0.2.12
[INFO] [stderr]   Downloaded proc-macro2 v1.0.35
[INFO] [stderr]   Downloaded libpulse-binding v2.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 79554fbe6ad00635b3ffde1cb45f0b569eb2f5aa4c780515d96052dca8814f85
[INFO] running `Command { std: "docker" "start" "-a" "79554fbe6ad00635b3ffde1cb45f0b569eb2f5aa4c780515d96052dca8814f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79554fbe6ad00635b3ffde1cb45f0b569eb2f5aa4c780515d96052dca8814f85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79554fbe6ad00635b3ffde1cb45f0b569eb2f5aa4c780515d96052dca8814f85", kill_on_drop: false }`
[INFO] [stdout] 79554fbe6ad00635b3ffde1cb45f0b569eb2f5aa4c780515d96052dca8814f85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a0c799884676ef6312b6818b5f8a8fabe59f2a8c4c3101a5e83b9ad69ea47c0e
[INFO] running `Command { std: "docker" "start" "-a" "a0c799884676ef6312b6818b5f8a8fabe59f2a8c4c3101a5e83b9ad69ea47c0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.35
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libpulse-sys v1.19.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking libpulse-binding v2.25.0
[INFO] [stderr]     Checking rust-pulsectl-fork v0.2.12
[INFO] [stderr]     Checking mpd-pulse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.49s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a0c799884676ef6312b6818b5f8a8fabe59f2a8c4c3101a5e83b9ad69ea47c0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c799884676ef6312b6818b5f8a8fabe59f2a8c4c3101a5e83b9ad69ea47c0e", kill_on_drop: false }`
[INFO] [stdout] a0c799884676ef6312b6818b5f8a8fabe59f2a8c4c3101a5e83b9ad69ea47c0e
[INFO] checking matt-h/mpd-pulse against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-h%2Fmpd-pulse" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-h/mpd-pulse 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/matt-h/mpd-pulse
[INFO] finished tweaking git repo https://github.com/matt-h/mpd-pulse
[INFO] tweaked toml for git repo https://github.com/matt-h/mpd-pulse written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-h/mpd-pulse 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3a3fecf8c0c4c186b867f25ba22de7ed33d3873dd50facaedcecd0f87b8127ee
[INFO] running `Command { std: "docker" "start" "-a" "3a3fecf8c0c4c186b867f25ba22de7ed33d3873dd50facaedcecd0f87b8127ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3fecf8c0c4c186b867f25ba22de7ed33d3873dd50facaedcecd0f87b8127ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3fecf8c0c4c186b867f25ba22de7ed33d3873dd50facaedcecd0f87b8127ee", kill_on_drop: false }`
[INFO] [stdout] 3a3fecf8c0c4c186b867f25ba22de7ed33d3873dd50facaedcecd0f87b8127ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d472eea2b74288f5f848a9e9023112ec78089b14967ffe90976c496e1b1ca59e
[INFO] running `Command { std: "docker" "start" "-a" "d472eea2b74288f5f848a9e9023112ec78089b14967ffe90976c496e1b1ca59e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.35
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling libpulse-sys v1.19.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking libpulse-binding v2.25.0
[INFO] [stderr]     Checking rust-pulsectl-fork v0.2.12
[INFO] [stderr]     Checking mpd-pulse v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.17s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d472eea2b74288f5f848a9e9023112ec78089b14967ffe90976c496e1b1ca59e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d472eea2b74288f5f848a9e9023112ec78089b14967ffe90976c496e1b1ca59e", kill_on_drop: false }`
[INFO] [stdout] d472eea2b74288f5f848a9e9023112ec78089b14967ffe90976c496e1b1ca59e