[INFO] cloning repository https://github.com/mfs/mercury
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfs/mercury" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fmercury", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fmercury'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ee886d5e0237fac54bfa034222eae265b2425ff
[INFO] checking mfs/mercury against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fmercury" "/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/mfs/mercury on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfs/mercury
[INFO] finished tweaking git repo https://github.com/mfs/mercury
[INFO] tweaked toml for git repo https://github.com/mfs/mercury written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mfs/mercury already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston-shaders_graphics2d v0.2.0
[INFO] [stderr]   Downloaded gfx_device_gl v0.8.2
[INFO] [stderr]   Downloaded gfx_core v0.1.2
[INFO] [stderr]   Downloaded num_cpus v0.2.11
[INFO] [stderr]   Downloaded draw_state v0.4.0
[INFO] [stderr]   Downloaded piston-gfx_texture v0.10.0
[INFO] [stderr]   Downloaded pistoncore-window v0.15.0
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.18.0
[INFO] [stderr]   Downloaded gfx v0.10.1
[INFO] [stderr]   Downloaded piston2d-graphics v0.15.0
[INFO] [stderr]   Downloaded piston v0.18.0
[INFO] [stderr]   Downloaded piston2d-gfx_graphics v0.23.1
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.21.0
[INFO] [stderr]   Downloaded gfx_core v0.2.0
[INFO] [stderr]   Downloaded gfx v0.9.1
[INFO] [stderr]   Downloaded image v0.7.0
[INFO] [stderr]   Downloaded piston_window v0.38.0
[INFO] [stderr]   Downloaded euclid v0.6.4
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.2
[INFO] [stderr]   Downloaded draw_state v0.3.0
[INFO] [stderr]   Downloaded gfx_gl v0.3.0
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0870e140a581b3ede1168232be5b34981564075d0eeb53089d7ca7247a0aed3
[INFO] running `Command { std: "docker" "start" "-a" "b0870e140a581b3ede1168232be5b34981564075d0eeb53089d7ca7247a0aed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0870e140a581b3ede1168232be5b34981564075d0eeb53089d7ca7247a0aed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0870e140a581b3ede1168232be5b34981564075d0eeb53089d7ca7247a0aed3", kill_on_drop: false }`
[INFO] [stdout] b0870e140a581b3ede1168232be5b34981564075d0eeb53089d7ca7247a0aed3
[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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f99552e8231afbc12eac0a342794a2fdec72643b8072e6d9cb9d2fc68870a69
[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" "2f99552e8231afbc12eac0a342794a2fdec72643b8072e6d9cb9d2fc68870a69", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling gcc v0.3.26
[INFO] [stderr]     Checking rustc-serialize v0.3.18
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking crossbeam v0.1.6
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking piston-texture v0.3.0
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.0
[INFO] [stderr]     Checking cfor v1.1.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking gif v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.5.8
[INFO] [stderr]     Checking draw_state v0.4.0
[INFO] [stderr]     Checking draw_state v0.3.0
[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] [stderr]     Checking piston2d-graphics v0.15.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.18/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2f99552e8231afbc12eac0a342794a2fdec72643b8072e6d9cb9d2fc68870a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f99552e8231afbc12eac0a342794a2fdec72643b8072e6d9cb9d2fc68870a69", kill_on_drop: false }`
[INFO] [stdout] 2f99552e8231afbc12eac0a342794a2fdec72643b8072e6d9cb9d2fc68870a69