[INFO] cloning repository https://github.com/davnavr/link4wsl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davnavr/link4wsl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2Flink4wsl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2Flink4wsl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc885b26668e266f6dca929274dd08728a37bd4
[INFO] checking davnavr/link4wsl against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2Flink4wsl" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davnavr/link4wsl on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davnavr/link4wsl
[INFO] finished tweaking git repo https://github.com/davnavr/link4wsl
[INFO] tweaked toml for git repo https://github.com/davnavr/link4wsl written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/davnavr/link4wsl 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1ab9b112bdf192e6b96748e89842e2cfff7be4942759a4e128bf57690bf7233
[INFO] running `Command { std: "docker" "start" "-a" "d1ab9b112bdf192e6b96748e89842e2cfff7be4942759a4e128bf57690bf7233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ab9b112bdf192e6b96748e89842e2cfff7be4942759a4e128bf57690bf7233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ab9b112bdf192e6b96748e89842e2cfff7be4942759a4e128bf57690bf7233", kill_on_drop: false }`
[INFO] [stdout] d1ab9b112bdf192e6b96748e89842e2cfff7be4942759a4e128bf57690bf7233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b21a7b375e9fd82935e3c4dbfe980e4a6dd0765113439eea868495957ab9dfe3
[INFO] running `Command { std: "docker" "start" "-a" "b21a7b375e9fd82935e3c4dbfe980e4a6dd0765113439eea868495957ab9dfe3", kill_on_drop: false }`
[INFO] [stderr]     Checking link4wsl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "b21a7b375e9fd82935e3c4dbfe980e4a6dd0765113439eea868495957ab9dfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b21a7b375e9fd82935e3c4dbfe980e4a6dd0765113439eea868495957ab9dfe3", kill_on_drop: false }`
[INFO] [stdout] b21a7b375e9fd82935e3c4dbfe980e4a6dd0765113439eea868495957ab9dfe3
[INFO] checking davnavr/link4wsl against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavnavr%2Flink4wsl" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davnavr/link4wsl on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davnavr/link4wsl
[INFO] finished tweaking git repo https://github.com/davnavr/link4wsl
[INFO] tweaked toml for git repo https://github.com/davnavr/link4wsl written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/davnavr/link4wsl 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f5a3ea8bf2685519b7735b4b566395b902c542444387d45ba6854d26c4df3b9
[INFO] running `Command { std: "docker" "start" "-a" "0f5a3ea8bf2685519b7735b4b566395b902c542444387d45ba6854d26c4df3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f5a3ea8bf2685519b7735b4b566395b902c542444387d45ba6854d26c4df3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5a3ea8bf2685519b7735b4b566395b902c542444387d45ba6854d26c4df3b9", kill_on_drop: false }`
[INFO] [stdout] 0f5a3ea8bf2685519b7735b4b566395b902c542444387d45ba6854d26c4df3b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8545b1001cba6fbb5e7247c90555dbca62a773478e6ba3e28ea6647b9ff49118
[INFO] running `Command { std: "docker" "start" "-a" "8545b1001cba6fbb5e7247c90555dbca62a773478e6ba3e28ea6647b9ff49118", kill_on_drop: false }`
[INFO] [stderr]     Checking link4wsl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:14:23
[INFO] [stdout]     |
[INFO] [stdout] 14  |       ($($arg:tt)*) => {{
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 15  | |         write_err_ln!($($arg)*);
[INFO] [stdout] 16  | |         std::process::exit(-1)
[INFO] [stdout] 17  | |     }};
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 157 |                       fail!("could not mark output file {out_path:?} as executable: {err}");
[INFO] [stdout]     |                       --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/main.rs:14:23
[INFO] [stdout]     |
[INFO] [stdout] 14  |       ($($arg:tt)*) => {{
[INFO] [stdout]     |  _______________________^
[INFO] [stdout] 15  | |         write_err_ln!($($arg)*);
[INFO] [stdout] 16  | |         std::process::exit(-1)
[INFO] [stdout] 17  | |     }};
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 157 |                       fail!("could not mark output file {out_path:?} as executable: {err}");
[INFO] [stdout]     |                       --------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `link4wsl` (bin "link4wsl") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `link4wsl` (bin "link4wsl" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8545b1001cba6fbb5e7247c90555dbca62a773478e6ba3e28ea6647b9ff49118", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8545b1001cba6fbb5e7247c90555dbca62a773478e6ba3e28ea6647b9ff49118", kill_on_drop: false }`
[INFO] [stdout] 8545b1001cba6fbb5e7247c90555dbca62a773478e6ba3e28ea6647b9ff49118