[INFO] cloning repository https://github.com/dpc/mioecho
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpc/mioecho" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fmioecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fmioecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee164facade7662057a29d64ffd45a7f74e7ab3b
[INFO] checking dpc/mioecho against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fmioecho" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/mioecho on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpc/mioecho
[INFO] finished tweaking git repo https://github.com/dpc/mioecho
[INFO] tweaked toml for git repo https://github.com/dpc/mioecho written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/mioecho already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miow v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.4
[INFO] [stderr]   Downloaded memchr v0.1.7
[INFO] [stderr]   Downloaded env_logger v0.3.2
[INFO] [stderr]   Downloaded log v0.3.4
[INFO] [stderr]   Downloaded net2 v0.2.20
[INFO] [stderr]   Downloaded nix v0.4.2
[INFO] [stderr]   Downloaded aho-corasick v0.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.2.2
[INFO] [stderr]   Downloaded regex v0.1.44
[INFO] [stderr]   Downloaded mio v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e1463111487d8dfc05b9ba4e89b6358bc1383b0b4be2f8ea502a066d5d6270d
[INFO] running `Command { std: "docker" "start" "-a" "1e1463111487d8dfc05b9ba4e89b6358bc1383b0b4be2f8ea502a066d5d6270d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e1463111487d8dfc05b9ba4e89b6358bc1383b0b4be2f8ea502a066d5d6270d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1463111487d8dfc05b9ba4e89b6358bc1383b0b4be2f8ea502a066d5d6270d", kill_on_drop: false }`
[INFO] [stdout] 1e1463111487d8dfc05b9ba4e89b6358bc1383b0b4be2f8ea502a066d5d6270d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d75be27dfe8c0ad33a40261d105e73b760f9cdb9ef29cbf0e8cec9420dc319
[INFO] running `Command { std: "docker" "start" "-a" "b3d75be27dfe8c0ad33a40261d105e73b760f9cdb9ef29cbf0e8cec9420dc319", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.2.2
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking nix v0.4.2
[INFO] [stderr]     Checking memchr v0.1.7
[INFO] [stderr]     Checking log v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.4.0
[INFO] [stderr]     Checking net2 v0.2.20
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking miow v0.1.1
[INFO] [stderr]     Checking regex v0.1.44
[INFO] [stdout] error[E0591]: can't transmute zero-sized type
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/nix-0.4.2/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<'a> extern "C" fn(*mut Box<(dyn FnMut() -> isize + 'a)>) -> i32 {callback}
[INFO] [stdout]     = note: target type: *const for<'a> extern "C" fn(*const Box<(dyn FnMut() -> isize + 'a)>) -> i32
[INFO] [stdout]     = help: cast with `as` to a pointer instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.3.2
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b3d75be27dfe8c0ad33a40261d105e73b760f9cdb9ef29cbf0e8cec9420dc319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d75be27dfe8c0ad33a40261d105e73b760f9cdb9ef29cbf0e8cec9420dc319", kill_on_drop: false }`
[INFO] [stdout] b3d75be27dfe8c0ad33a40261d105e73b760f9cdb9ef29cbf0e8cec9420dc319
[INFO] checking dpc/mioecho against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fmioecho" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/mioecho on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpc/mioecho
[INFO] finished tweaking git repo https://github.com/dpc/mioecho
[INFO] tweaked toml for git repo https://github.com/dpc/mioecho written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/mioecho already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9850278557745fc66962c8eca5df8781b30e66d6c6b475dad63f5a09dbebede
[INFO] running `Command { std: "docker" "start" "-a" "f9850278557745fc66962c8eca5df8781b30e66d6c6b475dad63f5a09dbebede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9850278557745fc66962c8eca5df8781b30e66d6c6b475dad63f5a09dbebede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9850278557745fc66962c8eca5df8781b30e66d6c6b475dad63f5a09dbebede", kill_on_drop: false }`
[INFO] [stdout] f9850278557745fc66962c8eca5df8781b30e66d6c6b475dad63f5a09dbebede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aa8122892cfc2d135f17b107a8fa7b0182e2bc71516f42eba8389571a2eb71e
[INFO] running `Command { std: "docker" "start" "-a" "2aa8122892cfc2d135f17b107a8fa7b0182e2bc71516f42eba8389571a2eb71e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "2aa8122892cfc2d135f17b107a8fa7b0182e2bc71516f42eba8389571a2eb71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa8122892cfc2d135f17b107a8fa7b0182e2bc71516f42eba8389571a2eb71e", kill_on_drop: false }`
[INFO] [stdout] 2aa8122892cfc2d135f17b107a8fa7b0182e2bc71516f42eba8389571a2eb71e