[INFO] cloning repository https://github.com/Doctor-Fe/simple_borrowchecker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Doctor-Fe/simple_borrowchecker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctor-Fe%2Fsimple_borrowchecker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctor-Fe%2Fsimple_borrowchecker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15527b3ed8ee77739328086ed30a5ecb79f65cb4
[INFO] checking Doctor-Fe/simple_borrowchecker against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctor-Fe%2Fsimple_borrowchecker" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Doctor-Fe/simple_borrowchecker 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/Doctor-Fe/simple_borrowchecker
[INFO] finished tweaking git repo https://github.com/Doctor-Fe/simple_borrowchecker
[INFO] tweaked toml for git repo https://github.com/Doctor-Fe/simple_borrowchecker written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Doctor-Fe/simple_borrowchecker 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6d3977f06401a768f47d643dbf2579d58c137dc90cd7a90cd14a9c407ea5ad99
[INFO] running `Command { std: "docker" "start" "-a" "6d3977f06401a768f47d643dbf2579d58c137dc90cd7a90cd14a9c407ea5ad99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d3977f06401a768f47d643dbf2579d58c137dc90cd7a90cd14a9c407ea5ad99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3977f06401a768f47d643dbf2579d58c137dc90cd7a90cd14a9c407ea5ad99", kill_on_drop: false }`
[INFO] [stdout] 6d3977f06401a768f47d643dbf2579d58c137dc90cd7a90cd14a9c407ea5ad99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5d8bb0c7a4bfac5f2041358abde87f242208aa348843336f63070921b6d0902b
[INFO] running `Command { std: "docker" "start" "-a" "5d8bb0c7a4bfac5f2041358abde87f242208aa348843336f63070921b6d0902b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking fern v0.6.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking simple_borrowchecker v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "5d8bb0c7a4bfac5f2041358abde87f242208aa348843336f63070921b6d0902b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d8bb0c7a4bfac5f2041358abde87f242208aa348843336f63070921b6d0902b", kill_on_drop: false }`
[INFO] [stdout] 5d8bb0c7a4bfac5f2041358abde87f242208aa348843336f63070921b6d0902b
[INFO] checking Doctor-Fe/simple_borrowchecker against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDoctor-Fe%2Fsimple_borrowchecker" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Doctor-Fe/simple_borrowchecker 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/Doctor-Fe/simple_borrowchecker
[INFO] finished tweaking git repo https://github.com/Doctor-Fe/simple_borrowchecker
[INFO] tweaked toml for git repo https://github.com/Doctor-Fe/simple_borrowchecker written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Doctor-Fe/simple_borrowchecker 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8eb6ee88ca0932068060ec21b49ab42a366c656aafcb4802951429942cdcf242
[INFO] running `Command { std: "docker" "start" "-a" "8eb6ee88ca0932068060ec21b49ab42a366c656aafcb4802951429942cdcf242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eb6ee88ca0932068060ec21b49ab42a366c656aafcb4802951429942cdcf242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb6ee88ca0932068060ec21b49ab42a366c656aafcb4802951429942cdcf242", kill_on_drop: false }`
[INFO] [stdout] 8eb6ee88ca0932068060ec21b49ab42a366c656aafcb4802951429942cdcf242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 55d0c81807c3f9f57a0b91a924721e7f2c3656e6417fdb494efb4e73502823ab
[INFO] running `Command { std: "docker" "start" "-a" "55d0c81807c3f9f57a0b91a924721e7f2c3656e6417fdb494efb4e73502823ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking iana-time-zone v0.1.53
[INFO] [stderr]     Checking fern v0.6.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking chrono v0.4.23
[INFO] [stderr]     Checking simple_borrowchecker v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/parser/mod.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |               std::cmp::Ordering::Equal => match bracket2.cmp(&0) {
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 65 | |                 std::cmp::Ordering::Less => ret_err!(BracketError::new("{")),
[INFO] [stdout] 66 | |                 std::cmp::Ordering::Greater => ret_err!(BracketError::new("}")),
[INFO] [stdout] 67 | |                 std::cmp::Ordering::Equal => {
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |                 },
[INFO] [stdout] 71 | |             },
[INFO] [stdout]    | |_____________^ cannot satisfy `_ -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _`
[INFO] [stdout]   --> src/parser/mod.rs:64:42
[INFO] [stdout]    |
[INFO] [stdout] 64 |               std::cmp::Ordering::Equal => match bracket2.cmp(&0) {
[INFO] [stdout]    |  __________________________________________^
[INFO] [stdout] 65 | |                 std::cmp::Ordering::Less => ret_err!(BracketError::new("{")),
[INFO] [stdout] 66 | |                 std::cmp::Ordering::Greater => ret_err!(BracketError::new("}")),
[INFO] [stdout] 67 | |                 std::cmp::Ordering::Equal => {
[INFO] [stdout] ...  |
[INFO] [stdout] 70 | |                 },
[INFO] [stdout] 71 | |             },
[INFO] [stdout]    | |_____________^ cannot satisfy `_ -> _`
[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 E0284`.
[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 E0284`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_borrowchecker` (bin "simple_borrowchecker") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `simple_borrowchecker` (bin "simple_borrowchecker" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "55d0c81807c3f9f57a0b91a924721e7f2c3656e6417fdb494efb4e73502823ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d0c81807c3f9f57a0b91a924721e7f2c3656e6417fdb494efb4e73502823ab", kill_on_drop: false }`
[INFO] [stdout] 55d0c81807c3f9f57a0b91a924721e7f2c3656e6417fdb494efb4e73502823ab