[INFO] crate ifeq 0.1.3 is already in cache [INFO] testing ifeq-0.1.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate ifeq 0.1.3 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ifeq 0.1.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ifeq 0.1.3 [INFO] finished tweaking crates.io crate ifeq 0.1.3 [INFO] tweaked toml for crates.io crate ifeq 0.1.3 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c56b9a8cfbabfa1174a4d2dd5a932a10d44c927541ca0ed7ddbecc060c7fb75 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2c56b9a8cfbabfa1174a4d2dd5a932a10d44c927541ca0ed7ddbecc060c7fb75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c56b9a8cfbabfa1174a4d2dd5a932a10d44c927541ca0ed7ddbecc060c7fb75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c56b9a8cfbabfa1174a4d2dd5a932a10d44c927541ca0ed7ddbecc060c7fb75", kill_on_drop: false }` [INFO] [stdout] 2c56b9a8cfbabfa1174a4d2dd5a932a10d44c927541ca0ed7ddbecc060c7fb75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9f59ebdfc53c0b4e0d31dda21e0e68af992168fb347c8c5dd83693708946db0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c9f59ebdfc53c0b4e0d31dda21e0e68af992168fb347c8c5dd83693708946db0", kill_on_drop: false }` [INFO] [stderr] Compiling ifeq v0.1.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "c9f59ebdfc53c0b4e0d31dda21e0e68af992168fb347c8c5dd83693708946db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9f59ebdfc53c0b4e0d31dda21e0e68af992168fb347c8c5dd83693708946db0", kill_on_drop: false }` [INFO] [stdout] c9f59ebdfc53c0b4e0d31dda21e0e68af992168fb347c8c5dd83693708946db0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc219cf3d21089972d5958aa61a1670f731b2d4eaa03443c2f667acad8c69f3c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cc219cf3d21089972d5958aa61a1670f731b2d4eaa03443c2f667acad8c69f3c", kill_on_drop: false }` [INFO] [stderr] Compiling ifeq v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0658]: use of unstable library feature 'bool_to_option' [INFO] [stdout] --> src/lib.rs:68:31 [INFO] [stdout] | [INFO] [stdout] 68 | assert_eq!(9.if_eq(9).then(|| "It works"), "It works".to_owned()); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64260 for more information [INFO] [stdout] = help: add `#![feature(bool_to_option)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | assert_eq!(9.if_eq(9).then(|| "It works"), "It works".to_owned()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found struct `std::string::String` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option<&str>` [INFO] [stdout] found struct `std::string::String` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bool_to_option' [INFO] [stdout] --> src/lib.rs:69:31 [INFO] [stdout] | [INFO] [stdout] 69 | assert_eq!(9.if_eq(9).then(|| (0..100).collect::>().len()), 100); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64260 for more information [INFO] [stdout] = help: add `#![feature(bool_to_option)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | assert_eq!(9.if_eq(9).then(|| (0..100).collect::>().len()), 100); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found integer [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option` [INFO] [stdout] found type `{integer}` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bool_to_option' [INFO] [stdout] --> src/lib.rs:70:41 [INFO] [stdout] | [INFO] [stdout] 70 | assert_eq!("alma".if_eq("alma").then(|| "ok"), "ok"); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64260 for more information [INFO] [stdout] = help: add `#![feature(bool_to_option)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | assert_eq!("alma".if_eq("alma").then(|| "ok"), "ok"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found `&str` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option<&str>` [INFO] [stdout] found reference `&str` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bool_to_option' [INFO] [stdout] --> src/lib.rs:71:41 [INFO] [stdout] | [INFO] [stdout] 71 | assert_ne!("alma".if_eq("alma").then(|| "ok"), "_ok"); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64260 for more information [INFO] [stdout] = help: add `#![feature(bool_to_option)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | assert_ne!("alma".if_eq("alma").then(|| "ok"), "_ok"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found `&str` [INFO] [stdout] | [INFO] [stdout] = note: expected enum `std::option::Option<&str>` [INFO] [stdout] found reference `&str` [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ifeq`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "cc219cf3d21089972d5958aa61a1670f731b2d4eaa03443c2f667acad8c69f3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc219cf3d21089972d5958aa61a1670f731b2d4eaa03443c2f667acad8c69f3c", kill_on_drop: false }` [INFO] [stdout] cc219cf3d21089972d5958aa61a1670f731b2d4eaa03443c2f667acad8c69f3c