[INFO] fetching crate ifeq 0.1.3...
[INFO] checking ifeq-0.1.3 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate ifeq 0.1.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ifeq 0.1.3 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a34573ef5af17c78fc1f9b345a7c05758cacc922caa5cad7005b81b21cb8b12b
[INFO] running `Command { std: "docker" "start" "-a" "a34573ef5af17c78fc1f9b345a7c05758cacc922caa5cad7005b81b21cb8b12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a34573ef5af17c78fc1f9b345a7c05758cacc922caa5cad7005b81b21cb8b12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34573ef5af17c78fc1f9b345a7c05758cacc922caa5cad7005b81b21cb8b12b", kill_on_drop: false }`
[INFO] [stdout] a34573ef5af17c78fc1f9b345a7c05758cacc922caa5cad7005b81b21cb8b12b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d048abaf92f8474bb5b5be1417dd4a71914e2c41911f0bf3222b891068ca1ee
[INFO] running `Command { std: "docker" "start" "-a" "6d048abaf92f8474bb5b5be1417dd4a71914e2c41911f0bf3222b891068ca1ee", kill_on_drop: false }`
[INFO] [stderr]     Checking ifeq v0.1.3 (/opt/rustwide/workdir)
[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 `Option`, found struct `String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<&str>`
[INFO] [stdout]             found struct `String`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[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::<Vec<_>>().len()), 100);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found integer
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<usize>`
[INFO] [stdout]               found type `{integer}`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `Option`, found `&str`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<&str>`
[INFO] [stdout]            found reference `&str`
[INFO] [stdout]    = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `Option`, found `&str`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<&str>`
[INFO] [stdout]            found reference `&str`
[INFO] [stdout]    = note: this error originates in the macro `assert_ne` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this 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" "6d048abaf92f8474bb5b5be1417dd4a71914e2c41911f0bf3222b891068ca1ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d048abaf92f8474bb5b5be1417dd4a71914e2c41911f0bf3222b891068ca1ee", kill_on_drop: false }`
[INFO] [stdout] 6d048abaf92f8474bb5b5be1417dd4a71914e2c41911f0bf3222b891068ca1ee