[INFO] cloning repository https://github.com/Wazzaps/SimplExp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wazzaps/SimplExp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWazzaps%2FSimplExp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWazzaps%2FSimplExp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f30a4e53c7b4760bd908f46194d81bda47f55f32
[INFO] checking Wazzaps/SimplExp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWazzaps%2FSimplExp" "/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/Wazzaps/SimplExp 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/Wazzaps/SimplExp
[INFO] finished tweaking git repo https://github.com/Wazzaps/SimplExp
[INFO] tweaked toml for git repo https://github.com/Wazzaps/SimplExp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Wazzaps/SimplExp 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded konst_macro_rules v0.2.13
[INFO] [stderr]   Downloaded konst v0.2.13
[INFO] [stderr]   Downloaded eq-float v0.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cf87477ded62ad66507719d2c2a324b26054a22f699c5e09dc303fb37a2d962
[INFO] running `Command { std: "docker" "start" "-a" "1cf87477ded62ad66507719d2c2a324b26054a22f699c5e09dc303fb37a2d962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cf87477ded62ad66507719d2c2a324b26054a22f699c5e09dc303fb37a2d962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf87477ded62ad66507719d2c2a324b26054a22f699c5e09dc303fb37a2d962", kill_on_drop: false }`
[INFO] [stdout] 1cf87477ded62ad66507719d2c2a324b26054a22f699c5e09dc303fb37a2d962
[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=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] a9b4f40bd29c81613bec3ddc5962b2d52305107314ab28e7dd7e48e9385fb921
[INFO] running `Command { std: "docker" "start" "-a" "a9b4f40bd29c81613bec3ddc5962b2d52305107314ab28e7dd7e48e9385fb921", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling konst_proc_macros v0.2.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking konst_macro_rules v0.2.13
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking eq-float v0.1.0
[INFO] [stderr]     Checking konst v0.2.13
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking simplexp v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "a9b4f40bd29c81613bec3ddc5962b2d52305107314ab28e7dd7e48e9385fb921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b4f40bd29c81613bec3ddc5962b2d52305107314ab28e7dd7e48e9385fb921", kill_on_drop: false }`
[INFO] [stdout] a9b4f40bd29c81613bec3ddc5962b2d52305107314ab28e7dd7e48e9385fb921
[INFO] checking Wazzaps/SimplExp against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWazzaps%2FSimplExp" "/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/Wazzaps/SimplExp 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/Wazzaps/SimplExp
[INFO] finished tweaking git repo https://github.com/Wazzaps/SimplExp
[INFO] tweaked toml for git repo https://github.com/Wazzaps/SimplExp written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Wazzaps/SimplExp 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eb901ef555312d15f9c5e11f5c4daf0a186a5f060fc03ac1e9b3c1601177f79
[INFO] running `Command { std: "docker" "start" "-a" "1eb901ef555312d15f9c5e11f5c4daf0a186a5f060fc03ac1e9b3c1601177f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eb901ef555312d15f9c5e11f5c4daf0a186a5f060fc03ac1e9b3c1601177f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb901ef555312d15f9c5e11f5c4daf0a186a5f060fc03ac1e9b3c1601177f79", kill_on_drop: false }`
[INFO] [stdout] 1eb901ef555312d15f9c5e11f5c4daf0a186a5f060fc03ac1e9b3c1601177f79
[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=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] 8ba95b4b048d76da7b98867e87c86bfb25d1078181f467cc0b52f85a23094b2c
[INFO] running `Command { std: "docker" "start" "-a" "8ba95b4b048d76da7b98867e87c86bfb25d1078181f467cc0b52f85a23094b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking konst_macro_rules v0.2.13
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling konst_proc_macros v0.2.11
[INFO] [stderr]     Checking eq-float v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking konst v0.2.13
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/konst-0.2.13/src/macros/parsing_macros.rs:320:40
[INFO] [stdout]     |
[INFO] [stdout] 320 |       ($ret:lifetime, $($val:expr)?) => {{
[INFO] [stdout]     |  ________________________________________^
[INFO] [stdout] 321 | |         break $ret $($val)?
[INFO] [stdout] 322 | |     }};
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/konst-0.2.13/src/parsing.rs:654:21
[INFO] [stdout]     |
[INFO] [stdout] 654 |                       ret_!();
[INFO] [stdout]     |                       ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `return_` which comes from the expansion of the macro `ret_` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.15
[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 `konst` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8ba95b4b048d76da7b98867e87c86bfb25d1078181f467cc0b52f85a23094b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba95b4b048d76da7b98867e87c86bfb25d1078181f467cc0b52f85a23094b2c", kill_on_drop: false }`
[INFO] [stdout] 8ba95b4b048d76da7b98867e87c86bfb25d1078181f467cc0b52f85a23094b2c