[INFO] fetching crate static_test 0.1.0...
[INFO] checking static_test-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate static_test 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate static_test 0.1.0 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 crates.io crate static_test 0.1.0
[INFO] finished tweaking crates.io crate static_test 0.1.0
[INFO] tweaked toml for crates.io crate static_test 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate static_test 0.1.0 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 28e99e4fc66b1b6765dcd9e97748a5000f9d1d00f9e7a4a067c2960acbe911d3
[INFO] running `Command { std: "docker" "start" "-a" "28e99e4fc66b1b6765dcd9e97748a5000f9d1d00f9e7a4a067c2960acbe911d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28e99e4fc66b1b6765dcd9e97748a5000f9d1d00f9e7a4a067c2960acbe911d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e99e4fc66b1b6765dcd9e97748a5000f9d1d00f9e7a4a067c2960acbe911d3", kill_on_drop: false }`
[INFO] [stdout] 28e99e4fc66b1b6765dcd9e97748a5000f9d1d00f9e7a4a067c2960acbe911d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bc8df4ccdd1ea704e695794cfe65e647fe0f8290c683876a7b698aa4b52461ae
[INFO] running `Command { std: "docker" "start" "-a" "bc8df4ccdd1ea704e695794cfe65e647fe0f8290c683876a7b698aa4b52461ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking static_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `static_assert`
[INFO] [stdout]  --> tests/test_ok.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[static_test]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "bc8df4ccdd1ea704e695794cfe65e647fe0f8290c683876a7b698aa4b52461ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8df4ccdd1ea704e695794cfe65e647fe0f8290c683876a7b698aa4b52461ae", kill_on_drop: false }`
[INFO] [stdout] bc8df4ccdd1ea704e695794cfe65e647fe0f8290c683876a7b698aa4b52461ae
[INFO] checking static_test-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate static_test 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate static_test 0.1.0 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 crates.io crate static_test 0.1.0
[INFO] finished tweaking crates.io crate static_test 0.1.0
[INFO] tweaked toml for crates.io crate static_test 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate static_test 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f5a0aaeb51992cf17330d615eae84f79979be171e8f14a7aeb2709d2c452fb9a
[INFO] running `Command { std: "docker" "start" "-a" "f5a0aaeb51992cf17330d615eae84f79979be171e8f14a7aeb2709d2c452fb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a0aaeb51992cf17330d615eae84f79979be171e8f14a7aeb2709d2c452fb9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a0aaeb51992cf17330d615eae84f79979be171e8f14a7aeb2709d2c452fb9a", kill_on_drop: false }`
[INFO] [stdout] f5a0aaeb51992cf17330d615eae84f79979be171e8f14a7aeb2709d2c452fb9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 43a9cee59d65c03793b290d4ae987184b79cc3e476a3dc50e15bc250978bdda1
[INFO] running `Command { std: "docker" "start" "-a" "43a9cee59d65c03793b290d4ae987184b79cc3e476a3dc50e15bc250978bdda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking static_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `static_assert`
[INFO] [stdout]  --> tests/test_ok.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[static_test]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/test_ok.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[static_test]
[INFO] [stdout]    | ^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 15 |     static_assert!( value * 10 == 20 );
[INFO] [stdout]    |     ---------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `static_unreachable` which comes from the expansion of the macro `static_assert` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `static_test` (test "test_ok") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "43a9cee59d65c03793b290d4ae987184b79cc3e476a3dc50e15bc250978bdda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a9cee59d65c03793b290d4ae987184b79cc3e476a3dc50e15bc250978bdda1", kill_on_drop: false }`
[INFO] [stdout] 43a9cee59d65c03793b290d4ae987184b79cc3e476a3dc50e15bc250978bdda1