[INFO] cloning repository https://github.com/MOZGIII/soundbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MOZGIII/soundbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMOZGIII%2Fsoundbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMOZGIII%2Fsoundbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 877d1bb4cb238612792e64d037d5b45dd011caf8
[INFO] checking MOZGIII/soundbox against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMOZGIII%2Fsoundbox" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MOZGIII/soundbox on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MOZGIII/soundbox
[INFO] finished tweaking git repo https://github.com/MOZGIII/soundbox
[INFO] tweaked toml for git repo https://github.com/MOZGIII/soundbox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/MOZGIII/soundbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/tomaka/cpal.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fe87e72e36182e615e72fb6503d4c96eca0fcf771f175935f994e0831d4bd6c
[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" "8fe87e72e36182e615e72fb6503d4c96eca0fcf771f175935f994e0831d4bd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fe87e72e36182e615e72fb6503d4c96eca0fcf771f175935f994e0831d4bd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe87e72e36182e615e72fb6503d4c96eca0fcf771f175935f994e0831d4bd6c", kill_on_drop: false }`
[INFO] [stdout] 8fe87e72e36182e615e72fb6503d4c96eca0fcf771f175935f994e0831d4bd6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d5a8bc888ed5adc9f44db6381dae38763b26aa7c5c4cf61e8d80481f63089de
[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" "2d5a8bc888ed5adc9f44db6381dae38763b26aa7c5c4cf61e8d80481f63089de", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling alsa-sys v0.1.1 (https://github.com/tomaka/cpal.git?rev=0354548426f7b4c48392cae9876a3e77ea5c1c40#03545484)
[INFO] [stderr]     Checking cpal v0.8.2 (https://github.com/tomaka/cpal.git?rev=0354548426f7b4c48392cae9876a3e77ea5c1c40#03545484)
[INFO] [stderr]     Checking soundbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() -> Result<(), Box<std::error::Error>> {
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "2d5a8bc888ed5adc9f44db6381dae38763b26aa7c5c4cf61e8d80481f63089de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5a8bc888ed5adc9f44db6381dae38763b26aa7c5c4cf61e8d80481f63089de", kill_on_drop: false }`
[INFO] [stdout] 2d5a8bc888ed5adc9f44db6381dae38763b26aa7c5c4cf61e8d80481f63089de