[INFO] crate lambda 0.0.1 is already in cache
[INFO] testing lambda-0.0.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate lambda 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lambda 0.0.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lambda 0.0.1
[INFO] finished tweaking crates.io crate lambda 0.0.1
[INFO] tweaked toml for crates.io crate lambda 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d735b508e992634cdf20112d60d24c89b0ea045f8e1c00691c05ff9096a060bd
[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" "d735b508e992634cdf20112d60d24c89b0ea045f8e1c00691c05ff9096a060bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d735b508e992634cdf20112d60d24c89b0ea045f8e1c00691c05ff9096a060bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d735b508e992634cdf20112d60d24c89b0ea045f8e1c00691c05ff9096a060bd", kill_on_drop: false }`
[INFO] [stdout] d735b508e992634cdf20112d60d24c89b0ea045f8e1c00691c05ff9096a060bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54248d50aad7411acc704b374f19ed5ff5288eda282842e51ed2ef52e593bb90
[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" "54248d50aad7411acc704b374f19ed5ff5288eda282842e51ed2ef52e593bb90", kill_on_drop: false }`
[INFO] [stderr]    Compiling morphism v0.4.1
[INFO] [stderr]    Compiling lambda v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/lib.rs:91:26
[INFO] [stdout]    |
[INFO] [stdout] 91 |             .o(| (x,) | (0u + x, 1u + x))
[INFO] [stdout]    |                          ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/lib.rs:91:34
[INFO] [stdout]    |
[INFO] [stdout] 91 |             .o(| (x,) | (0u + x, 1u + x))
[INFO] [stdout]    |                                  ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/lib.rs:92:28
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .o(| (x, y) | (0u + x, 1u + y, 2u + y))
[INFO] [stdout]    |                            ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/lib.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .o(| (x, y) | (0u + x, 1u + y, 2u + y))
[INFO] [stdout]    |                                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for integer literal
[INFO] [stdout]   --> src/lib.rs:92:44
[INFO] [stdout]    |
[INFO] [stdout] 92 |             .o(| (x, y) | (0u + x, 1u + y, 2u + y))
[INFO] [stdout]    |                                            ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lambda`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "54248d50aad7411acc704b374f19ed5ff5288eda282842e51ed2ef52e593bb90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54248d50aad7411acc704b374f19ed5ff5288eda282842e51ed2ef52e593bb90", kill_on_drop: false }`
[INFO] [stdout] 54248d50aad7411acc704b374f19ed5ff5288eda282842e51ed2ef52e593bb90