[INFO] fetching crate morphism 0.4.1...
[INFO] checking morphism-0.4.1 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate morphism 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate morphism 0.4.1 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate morphism 0.4.1
[INFO] finished tweaking crates.io crate morphism 0.4.1
[INFO] tweaked toml for crates.io crate morphism 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e97a3fd3f7621fef2b070319451320bda255ff881128d81e4427c1d4964a7dc9
[INFO] running `Command { std: "docker" "start" "-a" "e97a3fd3f7621fef2b070319451320bda255ff881128d81e4427c1d4964a7dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e97a3fd3f7621fef2b070319451320bda255ff881128d81e4427c1d4964a7dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97a3fd3f7621fef2b070319451320bda255ff881128d81e4427c1d4964a7dc9", kill_on_drop: false }`
[INFO] [stdout] e97a3fd3f7621fef2b070319451320bda255ff881128d81e4427c1d4964a7dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473a8a4ec41fcad5e7f7bbc38b7a56769ab03a40b00e2c4e80960336494bc61f
[INFO] running `Command { std: "docker" "start" "-a" "473a8a4ec41fcad5e7f7bbc38b7a56769ab03a40b00e2c4e80960336494bc61f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking morphism v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Morphism::new::<()>();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:39:18
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:69:18
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:77:18
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:87:18
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]   --> benches/bench.rs:97:18
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let f = &mut Morphism::new::<()>();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]    --> benches/bench.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let f = Morphism::new::<()>().tail(|_| {});
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]    --> benches/bench.rs:131:17
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut f = Morphism::new::<()>();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]    --> benches/bench.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let mut f = Morphism::new::<()>();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `morphism::Void` is private
[INFO] [stdout]    --> benches/bench.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |     let mut f = Morphism::new::<()>();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morphism` (bench "bench") due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "473a8a4ec41fcad5e7f7bbc38b7a56769ab03a40b00e2c4e80960336494bc61f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473a8a4ec41fcad5e7f7bbc38b7a56769ab03a40b00e2c4e80960336494bc61f", kill_on_drop: false }`
[INFO] [stdout] 473a8a4ec41fcad5e7f7bbc38b7a56769ab03a40b00e2c4e80960336494bc61f