[INFO] cloning repository https://github.com/klingtnet/ytterbium
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/klingtnet/ytterbium" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklingtnet%2Fytterbium", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklingtnet%2Fytterbium'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a210daece1b61a40b35e74ed6a583bf8ea4a6fd
[INFO] checking klingtnet/ytterbium against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fklingtnet%2Fytterbium" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/klingtnet/ytterbium on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/klingtnet/ytterbium
[INFO] finished tweaking git repo https://github.com/klingtnet/ytterbium
[INFO] tweaked toml for git repo https://github.com/klingtnet/ytterbium written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/klingtnet/ytterbium already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clippy_lints v0.0.212
[INFO] [stderr]   Downloaded hound v2.0.0
[INFO] [stderr]   Downloaded bincode v0.5.9
[INFO] [stderr]   Downloaded portmidi v0.2.4
[INFO] [stderr]   Downloaded rosc v0.1.5
[INFO] [stderr]   Downloaded itertools v0.4.19
[INFO] [stderr]   Downloaded rb v0.2.0
[INFO] [stderr]   Downloaded rsoundio v0.1.6
[INFO] [stderr]   Downloaded clippy v0.0.212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93cbeb68ce5feb7f9b2a4f70de378ff0c91c36a2943498a8676060cc277a60ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93cbeb68ce5feb7f9b2a4f70de378ff0c91c36a2943498a8676060cc277a60ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93cbeb68ce5feb7f9b2a4f70de378ff0c91c36a2943498a8676060cc277a60ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cbeb68ce5feb7f9b2a4f70de378ff0c91c36a2943498a8676060cc277a60ac", kill_on_drop: false }`
[INFO] [stdout] 93cbeb68ce5feb7f9b2a4f70de378ff0c91c36a2943498a8676060cc277a60ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3369c1b40f14f4f605cdcd23c8b8cb54833dfaaa2b41b65f4cf09036b032aaf0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3369c1b40f14f4f605cdcd23c8b8cb54833dfaaa2b41b65f4cf09036b032aaf0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking rb v0.2.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking portmidi v0.2.4
[INFO] [stderr]     Checking hound v2.0.0
[INFO] [stderr]    Compiling rsoundio v0.1.6
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portmidi-0.2.4/src/io.rs:51:29
[INFO] [stdout]    |
[INFO] [stdout] 51 |         match ffi::PmError::try_from(res) {
[INFO] [stdout]    |                             ^^^^^^^^ multiple `try_from` found
[INFO] [stdout]    |
[INFO] [stdout] note: candidate #1 is defined in an impl of the trait `ffi::types::MaybeError` for the type `ffi::types::PmError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/portmidi-0.2.4/src/ffi/types.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     fn try_from(err_code: c_int) -> Result<c_int, PmError> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: candidate #2 is defined in an impl of the trait `TryFrom` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]    |
[INFO] [stdout] 51 |         match ffi::types::MaybeError::try_from(res) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]    |
[INFO] [stdout] 51 |         match TryFrom::try_from(res) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `portmidi`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3369c1b40f14f4f605cdcd23c8b8cb54833dfaaa2b41b65f4cf09036b032aaf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3369c1b40f14f4f605cdcd23c8b8cb54833dfaaa2b41b65f4cf09036b032aaf0", kill_on_drop: false }`
[INFO] [stdout] 3369c1b40f14f4f605cdcd23c8b8cb54833dfaaa2b41b65f4cf09036b032aaf0