[INFO] cloning repository https://github.com/arcnmx/encage-runtime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arcnmx/encage-runtime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fencage-runtime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fencage-runtime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d983e6656d6d4de919f16352c36d6aca30d60f4e
[INFO] checking arcnmx/encage-runtime against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fencage-runtime" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arcnmx/encage-runtime on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arcnmx/encage-runtime
[INFO] finished tweaking git repo https://github.com/arcnmx/encage-runtime
[INFO] tweaked toml for git repo https://github.com/arcnmx/encage-runtime written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/arcnmx/encage-runtime already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/arcnmx/nix-rust`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v0.7.0
[INFO] [stderr]   Downloaded serde v0.7.0
[INFO] [stderr]   Downloaded vec_map v0.4.0
[INFO] [stderr]   Downloaded clap v1.5.5
[INFO] [stderr]   Downloaded void v0.0.5
[INFO] [stderr]   Downloaded serde-value v0.1.0
[INFO] [stderr]   Downloaded ordered-float v0.0.2
[INFO] [stderr]   Downloaded ocf v0.2.0-alpha.6
[INFO] [stderr]   Downloaded libc v0.2.7
[INFO] [stderr]   Downloaded quick-error v0.2.2
[INFO] [stderr]   Downloaded nom v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5d017ccb2359a865d405dbf7641f0042ef040a31c142b94177e5ce917f2f3d6
[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" "f5d017ccb2359a865d405dbf7641f0042ef040a31c142b94177e5ce917f2f3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d017ccb2359a865d405dbf7641f0042ef040a31c142b94177e5ce917f2f3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d017ccb2359a865d405dbf7641f0042ef040a31c142b94177e5ce917f2f3d6", kill_on_drop: false }`
[INFO] [stdout] f5d017ccb2359a865d405dbf7641f0042ef040a31c142b94177e5ce917f2f3d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0daef76787e17e40c513b556293b9c3a209f09c66df9c9b68be8349b58b60d35
[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" "0daef76787e17e40c513b556293b9c3a209f09c66df9c9b68be8349b58b60d35", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking void v0.0.5
[INFO] [stderr]     Checking strsim v0.4.0
[INFO] [stderr]     Checking ansi_term v0.7.2
[INFO] [stderr]     Checking vec_map v0.4.0
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking clap v1.5.5
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking nix v0.5.0-pre (https://github.com/arcnmx/nix-rust?branch=refactor#4719bed2)
[INFO] [stderr]     Checking tempdir v0.3.4
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/nix-rust-8d37db6708c485ac/4719bed/src/sched.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |         ffi::clone(mem::transmute(callback), ptr as *mut c_void, flags, &mut cb)
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: for<'r> extern "C" fn(*mut Box<(dyn FnMut() -> isize + 'r)>) -> i32 {callback}
[INFO] [stdout]     = note: target type: *const for<'r> extern "C" fn(*const Box<(dyn FnMut() -> isize + 'r)>) -> i32
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[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 E0591`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nix`
[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" "0daef76787e17e40c513b556293b9c3a209f09c66df9c9b68be8349b58b60d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0daef76787e17e40c513b556293b9c3a209f09c66df9c9b68be8349b58b60d35", kill_on_drop: false }`
[INFO] [stdout] 0daef76787e17e40c513b556293b9c3a209f09c66df9c9b68be8349b58b60d35