[INFO] fetching crate numeric-lut 0.1.0...
[INFO] testing numeric-lut-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate numeric-lut 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate numeric-lut 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numeric-lut 0.1.0
[INFO] finished tweaking crates.io crate numeric-lut 0.1.0
[INFO] tweaked toml for crates.io crate numeric-lut 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44686181886fec2576dce41bdd74dfd002e3979cbd443d694952c44b3fb8456d
[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" "44686181886fec2576dce41bdd74dfd002e3979cbd443d694952c44b3fb8456d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44686181886fec2576dce41bdd74dfd002e3979cbd443d694952c44b3fb8456d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44686181886fec2576dce41bdd74dfd002e3979cbd443d694952c44b3fb8456d", kill_on_drop: false }`
[INFO] [stdout] 44686181886fec2576dce41bdd74dfd002e3979cbd443d694952c44b3fb8456d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544afbc1762691d6efeb68fef1522b4c0942efb6095778192c567ab49562155b
[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" "544afbc1762691d6efeb68fef1522b4c0942efb6095778192c567ab49562155b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling numeric-lut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `syn::Type: From<TokenStream2>` is not satisfied
[INFO] [stdout]   --> src/lib.rs:87:42
[INFO] [stdout]    |
[INFO] [stdout] 87 |             quote::quote!([#ty; #count]).into()
[INFO] [stdout]    |                                          ^^^^ the trait `From<TokenStream2>` is not implemented for `syn::Type`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <syn::Type as From<TypeArray>>
[INFO] [stdout]              <syn::Type as From<TypeBareFn>>
[INFO] [stdout]              <syn::Type as From<TypeGroup>>
[INFO] [stdout]              <syn::Type as From<TypeImplTrait>>
[INFO] [stdout]            and 10 others
[INFO] [stdout]    = note: required because of the requirements on the impl of `Into<syn::Type>` for `TokenStream2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `syn::Expr: From<TokenStream2>` is not satisfied
[INFO] [stdout]    --> src/lib.rs:110:34
[INFO] [stdout]     |
[INFO] [stdout] 110 |     quote::quote!([#(#items),*]).into()
[INFO] [stdout]     |                                  ^^^^ the trait `From<TokenStream2>` is not implemented for `syn::Expr`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the following implementations were found:
[INFO] [stdout]               <syn::Expr as From<ExprArray>>
[INFO] [stdout]               <syn::Expr as From<ExprAssign>>
[INFO] [stdout]               <syn::Expr as From<ExprAssignOp>>
[INFO] [stdout]               <syn::Expr as From<ExprAsync>>
[INFO] [stdout]             and 35 others
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<syn::Expr>` for `TokenStream2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `numeric-lut`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "544afbc1762691d6efeb68fef1522b4c0942efb6095778192c567ab49562155b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544afbc1762691d6efeb68fef1522b4c0942efb6095778192c567ab49562155b", kill_on_drop: false }`
[INFO] [stdout] 544afbc1762691d6efeb68fef1522b4c0942efb6095778192c567ab49562155b