[INFO] cloning repository https://github.com/SoryRawyer/theremini
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SoryRawyer/theremini" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b87b766f3812427e0b0dde96e866998f3283d58d
[INFO] checking SoryRawyer/theremini against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SoryRawyer/theremini 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/SoryRawyer/theremini
[INFO] finished tweaking git repo https://github.com/SoryRawyer/theremini
[INFO] tweaked toml for git repo https://github.com/SoryRawyer/theremini written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SoryRawyer/theremini 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]  Downloading crates ...
[INFO] [stderr]   Downloaded mach v0.0.5
[INFO] [stderr]   Downloaded atty v0.2.9
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.0
[INFO] [stderr]   Downloaded serialport v2.3.0
[INFO] [stderr]   Downloaded lazy_static v1.0.0
[INFO] [stderr]   Downloaded alsa-sys v0.1.1
[INFO] [stderr]   Downloaded cpal v0.8.1
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded gcc v0.3.54
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded nix v0.10.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded bitflags v1.0.2
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded memchr v2.0.1
[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] a339d8fc749176bafec50690047ab4a7a59a1913b4084229cac9c8352b939ef5
[INFO] running `Command { std: "docker" "start" "-a" "a339d8fc749176bafec50690047ab4a7a59a1913b4084229cac9c8352b939ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a339d8fc749176bafec50690047ab4a7a59a1913b4084229cac9c8352b939ef5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a339d8fc749176bafec50690047ab4a7a59a1913b4084229cac9c8352b939ef5", kill_on_drop: false }`
[INFO] [stdout] a339d8fc749176bafec50690047ab4a7a59a1913b4084229cac9c8352b939ef5
[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] 3e63a5f0f5113cfbb0ed745211de8cc8d71582b775ebba53e0422598e6be0c0c
[INFO] running `Command { std: "docker" "start" "-a" "3e63a5f0f5113cfbb0ed745211de8cc8d71582b775ebba53e0422598e6be0c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking cpal v0.8.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking theremini v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "3e63a5f0f5113cfbb0ed745211de8cc8d71582b775ebba53e0422598e6be0c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e63a5f0f5113cfbb0ed745211de8cc8d71582b775ebba53e0422598e6be0c0c", kill_on_drop: false }`
[INFO] [stdout] 3e63a5f0f5113cfbb0ed745211de8cc8d71582b775ebba53e0422598e6be0c0c
[INFO] checking SoryRawyer/theremini against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Ftheremini" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SoryRawyer/theremini on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SoryRawyer/theremini
[INFO] finished tweaking git repo https://github.com/SoryRawyer/theremini
[INFO] tweaked toml for git repo https://github.com/SoryRawyer/theremini written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SoryRawyer/theremini 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9079f551ecc5411c286ba73d4358e09dfd98ae35b3b076e576d59fe3e5614482
[INFO] running `Command { std: "docker" "start" "-a" "9079f551ecc5411c286ba73d4358e09dfd98ae35b3b076e576d59fe3e5614482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9079f551ecc5411c286ba73d4358e09dfd98ae35b3b076e576d59fe3e5614482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9079f551ecc5411c286ba73d4358e09dfd98ae35b3b076e576d59fe3e5614482", kill_on_drop: false }`
[INFO] [stdout] 9079f551ecc5411c286ba73d4358e09dfd98ae35b3b076e576d59fe3e5614482
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030774567cbf59d5432dc251407e2f6e9a8d2c6c4584adf02e3555e4a03d0ccf
[INFO] running `Command { std: "docker" "start" "-a" "030774567cbf59d5432dc251407e2f6e9a8d2c6c4584adf02e3555e4a03d0ccf", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bitflags v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling alsa-sys v0.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking cpal v0.8.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking theremini v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.45s
[INFO] running `Command { std: "docker" "inspect" "030774567cbf59d5432dc251407e2f6e9a8d2c6c4584adf02e3555e4a03d0ccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030774567cbf59d5432dc251407e2f6e9a8d2c6c4584adf02e3555e4a03d0ccf", kill_on_drop: false }`
[INFO] [stdout] 030774567cbf59d5432dc251407e2f6e9a8d2c6c4584adf02e3555e4a03d0ccf