[INFO] fetching crate scopeguard 1.2.0... [INFO] checking scopeguard-1.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate scopeguard 1.2.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate scopeguard 1.2.0 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 scopeguard 1.2.0 [INFO] finished tweaking crates.io crate scopeguard 1.2.0 [INFO] tweaked toml for crates.io crate scopeguard 1.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate scopeguard 1.2.0 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-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] 8408ce5a32df85e87359a31d8463e250352fbcbc90df91b40b988bd6cd26338b [INFO] running `Command { std: "docker" "start" "-a" "8408ce5a32df85e87359a31d8463e250352fbcbc90df91b40b988bd6cd26338b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8408ce5a32df85e87359a31d8463e250352fbcbc90df91b40b988bd6cd26338b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8408ce5a32df85e87359a31d8463e250352fbcbc90df91b40b988bd6cd26338b", kill_on_drop: false }` [INFO] [stdout] 8408ce5a32df85e87359a31d8463e250352fbcbc90df91b40b988bd6cd26338b [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] a0721fd187679e3fe92215953822e9993a942307d1258723926d864da48e0070 [INFO] running `Command { std: "docker" "start" "-a" "a0721fd187679e3fe92215953822e9993a942307d1258723926d864da48e0070", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "a0721fd187679e3fe92215953822e9993a942307d1258723926d864da48e0070", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0721fd187679e3fe92215953822e9993a942307d1258723926d864da48e0070", kill_on_drop: false }` [INFO] [stdout] a0721fd187679e3fe92215953822e9993a942307d1258723926d864da48e0070 [INFO] checking scopeguard-1.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate scopeguard 1.2.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate scopeguard 1.2.0 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 scopeguard 1.2.0 [INFO] finished tweaking crates.io crate scopeguard 1.2.0 [INFO] tweaked toml for crates.io crate scopeguard 1.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate scopeguard 1.2.0 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-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] 4c1182588c2d309feb319b23e8b6e614878b22275c12ff8e5c50dc19f59cb256 [INFO] running `Command { std: "docker" "start" "-a" "4c1182588c2d309feb319b23e8b6e614878b22275c12ff8e5c50dc19f59cb256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c1182588c2d309feb319b23e8b6e614878b22275c12ff8e5c50dc19f59cb256", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c1182588c2d309feb319b23e8b6e614878b22275c12ff8e5c50dc19f59cb256", kill_on_drop: false }` [INFO] [stdout] 4c1182588c2d309feb319b23e8b6e614878b22275c12ff8e5c50dc19f59cb256 [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] aabf3d05340d1294f135fe6044089ef9b8e069c51c1a11e72c071ca072dcbcdd [INFO] running `Command { std: "docker" "start" "-a" "aabf3d05340d1294f135fe6044089ef9b8e069c51c1a11e72c071ca072dcbcdd", kill_on_drop: false }` [INFO] [stderr] Checking scopeguard v1.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed for `Result>` [INFO] [stdout] --> src/lib.rs:522:13 [INFO] [stdout] | [INFO] [stdout] 522 | let _ = catch_unwind(AssertUnwindSafe(|| { [INFO] [stdout] | _____________^___- [INFO] [stdout] 523 | | defer_on_success!(drops.set(1)); [INFO] [stdout] 524 | | panic!("failure") [INFO] [stdout] 525 | | })); [INFO] [stdout] | |___________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `R` is specified [INFO] [stdout] | [INFO] [stdout] 522 | let _: Result> = catch_unwind(AssertUnwindSafe(|| { [INFO] [stdout] | ++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed for `Result>` [INFO] [stdout] --> src/lib.rs:533:13 [INFO] [stdout] | [INFO] [stdout] 533 | let _ = catch_unwind(AssertUnwindSafe(|| { [INFO] [stdout] | _____________^___- [INFO] [stdout] 534 | | defer_on_unwind!(drops.set(1)); [INFO] [stdout] 535 | | assert_eq!(drops.get(), 0); [INFO] [stdout] 536 | | panic!("failure") [INFO] [stdout] 537 | | })); [INFO] [stdout] | |___________- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `R` is specified [INFO] [stdout] | [INFO] [stdout] 533 | let _: Result> = catch_unwind(AssertUnwindSafe(|| { [INFO] [stdout] | ++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> examples/readme.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `scopeguard` (lib test) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 `scopeguard` (example "readme") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "aabf3d05340d1294f135fe6044089ef9b8e069c51c1a11e72c071ca072dcbcdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aabf3d05340d1294f135fe6044089ef9b8e069c51c1a11e72c071ca072dcbcdd", kill_on_drop: false }` [INFO] [stdout] aabf3d05340d1294f135fe6044089ef9b8e069c51c1a11e72c071ca072dcbcdd