[INFO] fetching crate tagged_ptr 0.1.0...
[INFO] checking tagged_ptr-0.1.0 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] extracting crate tagged_ptr 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tagged_ptr 0.1.0 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 tagged_ptr 0.1.0
[INFO] finished tweaking crates.io crate tagged_ptr 0.1.0
[INFO] tweaked toml for crates.io crate tagged_ptr 0.1.0 written to /workspace/builds/worker-4-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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 65c3139f16607f20695785bd6db2c4870ea6f8481272a38ef27bb7ab0a2b4cb0
[INFO] running `Command { std: "docker" "start" "-a" "65c3139f16607f20695785bd6db2c4870ea6f8481272a38ef27bb7ab0a2b4cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65c3139f16607f20695785bd6db2c4870ea6f8481272a38ef27bb7ab0a2b4cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c3139f16607f20695785bd6db2c4870ea6f8481272a38ef27bb7ab0a2b4cb0", kill_on_drop: false }`
[INFO] [stdout] 65c3139f16607f20695785bd6db2c4870ea6f8481272a38ef27bb7ab0a2b4cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 093e8ce52880c2e9339b81aa739aef9e138450ac0c419b90147029f4620cc8a4
[INFO] running `Command { std: "docker" "start" "-a" "093e8ce52880c2e9339b81aa739aef9e138450ac0c419b90147029f4620cc8a4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking tagged_ptr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tagged_ptr.rs:217:32
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ----------- ^^ expected `Rc<u32>`, found `Box<Rc<{integer}>>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<u32>`
[INFO] [stdout]                found struct `Box<Rc<{integer}>>`
[INFO] [stdout] help: the type constructed contains `Box<Rc<{integer}>>` due to the type of the argument passed
[INFO] [stdout]    --> src/tagged_ptr.rs:217:20
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ^^^^^^^^^^^^--^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this argument influences the type of `Unpacked`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> src/tagged_ptr.rs:12:11
[INFO] [stdout]     |
[INFO] [stdout] 12  |     A(A), B(B), C(C), D(D),
[INFO] [stdout]     |           ^
[INFO] [stdout] help: consider unboxing the value
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let x: X = Unpacked::B(*rc);
[INFO] [stdout]     |                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/tagged_ptr.rs:230:32
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ----------- ^^ expected `Rc<u32>`, found `Box<Rc<{integer}>>`
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    arguments to this enum variant are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<u32>`
[INFO] [stdout]                found struct `Box<Rc<{integer}>>`
[INFO] [stdout] help: the type constructed contains `Box<Rc<{integer}>>` due to the type of the argument passed
[INFO] [stdout]    --> src/tagged_ptr.rs:230:20
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let x: X = Unpacked::B(rc);
[INFO] [stdout]     |                    ^^^^^^^^^^^^--^
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this argument influences the type of `Unpacked`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]    --> src/tagged_ptr.rs:12:11
[INFO] [stdout]     |
[INFO] [stdout] 12  |     A(A), B(B), C(C), D(D),
[INFO] [stdout]     |           ^
[INFO] [stdout] help: consider unboxing the value
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let x: X = Unpacked::B(*rc);
[INFO] [stdout]     |                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tagged_ptr` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "093e8ce52880c2e9339b81aa739aef9e138450ac0c419b90147029f4620cc8a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093e8ce52880c2e9339b81aa739aef9e138450ac0c419b90147029f4620cc8a4", kill_on_drop: false }`
[INFO] [stdout] 093e8ce52880c2e9339b81aa739aef9e138450ac0c419b90147029f4620cc8a4