[INFO] fetching crate identity 0.0.6...
[INFO] checking identity-0.0.6 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate identity 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate identity 0.0.6 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate identity 0.0.6
[INFO] finished tweaking crates.io crate identity 0.0.6
[INFO] tweaked toml for crates.io crate identity 0.0.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31aae9012ca9d261da3a9f004d8310eb7f1f461393321091b69c23ad63e88c9b
[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" "31aae9012ca9d261da3a9f004d8310eb7f1f461393321091b69c23ad63e88c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31aae9012ca9d261da3a9f004d8310eb7f1f461393321091b69c23ad63e88c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31aae9012ca9d261da3a9f004d8310eb7f1f461393321091b69c23ad63e88c9b", kill_on_drop: false }`
[INFO] [stdout] 31aae9012ca9d261da3a9f004d8310eb7f1f461393321091b69c23ad63e88c9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d504eb268c468646e20939e527daf7ae086abf2ffd6ba2c739369cede822a2b0
[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" "d504eb268c468646e20939e527daf7ae086abf2ffd6ba2c739369cede822a2b0", kill_on_drop: false }`
[INFO] [stderr]     Checking identity v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:391:20
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A: ?Sized, B: ?Sized> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A, B: ?Sized> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:391:31
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A: ?Sized, B: ?Sized> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A: ?Sized, B> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:393:22
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:393:33
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:393:44
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:391:20
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A: ?Sized, B: ?Sized> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A, B: ?Sized> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                 --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:391:31
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A: ?Sized, B: ?Sized> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 391 | pub type TyPair<A: ?Sized, B> = Cons<A, Cons<B, Nil>>;
[INFO] [stdout]     |                            --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:393:22
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:393:33
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]    --> src/lift.rs:393:44
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C: ?Sized> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                                            ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]     |
[INFO] [stdout] 393 | pub type TyTriple<A: ?Sized, B: ?Sized, C> = Cons<A, Cons<B, Cons<C, Nil>>>;
[INFO] [stdout]     |                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "d504eb268c468646e20939e527daf7ae086abf2ffd6ba2c739369cede822a2b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d504eb268c468646e20939e527daf7ae086abf2ffd6ba2c739369cede822a2b0", kill_on_drop: false }`
[INFO] [stdout] d504eb268c468646e20939e527daf7ae086abf2ffd6ba2c739369cede822a2b0