[INFO] fetching crate rmp 0.8.14...
[INFO] checking rmp-0.8.14 against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] extracting crate rmp 0.8.14 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rmp 0.8.14 on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmp 0.8.14
[INFO] finished tweaking crates.io crate rmp 0.8.14
[INFO] tweaked toml for crates.io crate rmp 0.8.14 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate rmp 0.8.14 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56cd6364b9581654c736796359b42af432eafb567a65b3de0ecc159d0ad0182b
[INFO] running `Command { std: "docker" "start" "-a" "56cd6364b9581654c736796359b42af432eafb567a65b3de0ecc159d0ad0182b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56cd6364b9581654c736796359b42af432eafb567a65b3de0ecc159d0ad0182b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56cd6364b9581654c736796359b42af432eafb567a65b3de0ecc159d0ad0182b", kill_on_drop: false }`
[INFO] [stdout] 56cd6364b9581654c736796359b42af432eafb567a65b3de0ecc159d0ad0182b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d88a5513b8da45fb1e826ab480f6ddddbb1df86930a6b037e8f4cb5663df9c6
[INFO] running `Command { std: "docker" "start" "-a" "2d88a5513b8da45fb1e826ab480f6ddddbb1df86930a6b037e8f4cb5663df9c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rmp v0.8.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stdout] error: this conversion is useless `u32` to `u32`
[INFO] [stdout]   --> examples/inspect.rs:32:64
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Marker::Str32 => print!("Str32(\"{}\")", read_str_data(rd.read_data_u32()?.into(), rd)?),
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u32` to `u32`
[INFO] [stdout]   --> examples/inspect.rs:35:69
[INFO] [stdout]    |
[INFO] [stdout] 35 |         Marker::Bin32 => print!("Bin32({})", HexDump(&read_bin_data(rd.read_data_u32()?.into(), rd)?)),
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u32` to `u32`
[INFO] [stdout]   --> examples/inspect.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |         Marker::Array32 => dump_array(indent, 32, rd.read_data_u32()?.into(), rd)?,
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `u32` to `u32`
[INFO] [stdout]   --> examples/inspect.rs:41:47
[INFO] [stdout]    |
[INFO] [stdout] 41 |         Marker::Map32 => dump_map(indent, 32, rd.read_data_u32()?.into(), rd)?,
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rmp` (example "inspect") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d88a5513b8da45fb1e826ab480f6ddddbb1df86930a6b037e8f4cb5663df9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d88a5513b8da45fb1e826ab480f6ddddbb1df86930a6b037e8f4cb5663df9c6", kill_on_drop: false }`
[INFO] [stdout] 2d88a5513b8da45fb1e826ab480f6ddddbb1df86930a6b037e8f4cb5663df9c6