[INFO] cloning repository https://github.com/natronium/jpgthing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natronium/jpgthing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatronium%2Fjpgthing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatronium%2Fjpgthing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28aa8ce6714fa0e128161af176efa02e508f81b1
[INFO] checking natronium/jpgthing against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatronium%2Fjpgthing" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/natronium/jpgthing 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 git repo https://github.com/natronium/jpgthing
[INFO] finished tweaking git repo https://github.com/natronium/jpgthing
[INFO] tweaked toml for git repo https://github.com/natronium/jpgthing written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/natronium/jpgthing 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 356e2bf062d2cb2afe06f44c45926a630f73dbe3efb3cea03da9546c7168cb5c
[INFO] running `Command { std: "docker" "start" "-a" "356e2bf062d2cb2afe06f44c45926a630f73dbe3efb3cea03da9546c7168cb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356e2bf062d2cb2afe06f44c45926a630f73dbe3efb3cea03da9546c7168cb5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356e2bf062d2cb2afe06f44c45926a630f73dbe3efb3cea03da9546c7168cb5c", kill_on_drop: false }`
[INFO] [stdout] 356e2bf062d2cb2afe06f44c45926a630f73dbe3efb3cea03da9546c7168cb5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fd7fdbd738089193efcedb13ef35851de18fd0c0d4db0dbf94afbef7d5d406c7
[INFO] running `Command { std: "docker" "start" "-a" "fd7fdbd738089193efcedb13ef35851de18fd0c0d4db0dbf94afbef7d5d406c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling binrw v0.12.0
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking jpgthing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `u16` to `u16`
[INFO] [stdout]   --> src/jpeg_huff.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         mincode[i] = huffcode[j].into();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jpgthing` (bin "jpgthing") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this conversion is useless `u16` to `u16`
[INFO] [stdout]   --> src/jpeg_huff.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         mincode[i] = huffcode[j].into();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jpgthing` (bin "jpgthing" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "fd7fdbd738089193efcedb13ef35851de18fd0c0d4db0dbf94afbef7d5d406c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd7fdbd738089193efcedb13ef35851de18fd0c0d4db0dbf94afbef7d5d406c7", kill_on_drop: false }`
[INFO] [stdout] fd7fdbd738089193efcedb13ef35851de18fd0c0d4db0dbf94afbef7d5d406c7