[INFO] cloning repository https://github.com/pdpi/synth.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pdpi/synth.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdpi%2Fsynth.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdpi%2Fsynth.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eee21a013ea7feb297ef8702b8f7c26d0dd6b29
[INFO] checking pdpi/synth.rs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpdpi%2Fsynth.rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pdpi/synth.rs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pdpi/synth.rs
[INFO] finished tweaking git repo https://github.com/pdpi/synth.rs
[INFO] tweaked toml for git repo https://github.com/pdpi/synth.rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/pdpi/synth.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.7
[INFO] [stderr]   Downloaded fs2 v0.2.3
[INFO] [stderr]   Downloaded cocoa v0.2.4
[INFO] [stderr]   Downloaded portaudio v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec898e9006e17fa2c6b0269499ee87c198e7d4d347df29830a05c2050b49f9d2
[INFO] running `Command { std: "docker" "start" "-a" "ec898e9006e17fa2c6b0269499ee87c198e7d4d347df29830a05c2050b49f9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec898e9006e17fa2c6b0269499ee87c198e7d4d347df29830a05c2050b49f9d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec898e9006e17fa2c6b0269499ee87c198e7d4d347df29830a05c2050b49f9d2", kill_on_drop: false }`
[INFO] [stdout] ec898e9006e17fa2c6b0269499ee87c198e7d4d347df29830a05c2050b49f9d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 381df9bdf882d8382903e14f4e167b57ef2f31cbbd9f294270c4b9d62279fefd
[INFO] running `Command { std: "docker" "start" "-a" "381df9bdf882d8382903e14f4e167b57ef2f31cbbd9f294270c4b9d62279fefd", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]    Compiling bitflags v0.3.3
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]    Compiling libloading v0.2.1
[INFO] [stderr]     Checking crossbeam v0.1.6
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking num v0.1.31
[INFO] [stderr]    Compiling xml-rs v0.2.2
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-0.1.6/src/sync/seg_queue.rs:34:29
[INFO] [stdout]    |
[INFO] [stdout] 34 |             ready: unsafe { mem::transmute([0usize; SEG_SIZE]) },
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `[usize; 32]` (2048 bits)
[INFO] [stdout]    = note: target type: `[AtomicBool; 32]` (256 bits)
[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 E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam`
[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" "381df9bdf882d8382903e14f4e167b57ef2f31cbbd9f294270c4b9d62279fefd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381df9bdf882d8382903e14f4e167b57ef2f31cbbd9f294270c4b9d62279fefd", kill_on_drop: false }`
[INFO] [stdout] 381df9bdf882d8382903e14f4e167b57ef2f31cbbd9f294270c4b9d62279fefd