[INFO] cloning repository https://github.com/RoastVeg/facet-xdr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RoastVeg/facet-xdr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Ffacet-xdr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Ffacet-xdr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79246b311e13923de2294ffbb29a2e7b7f882a21
[INFO] checking RoastVeg/facet-xdr against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRoastVeg%2Ffacet-xdr" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/RoastVeg/facet-xdr
[INFO] finished tweaking git repo https://github.com/RoastVeg/facet-xdr
[INFO] tweaked toml for git repo https://github.com/RoastVeg/facet-xdr written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/RoastVeg/facet-xdr on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/RoastVeg/facet-xdr 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0524d108e0ca2a37c840854b29e302fc26176ac825fab0860e16f97ca6328d0f
[INFO] running `Command { std: "docker" "start" "-a" "0524d108e0ca2a37c840854b29e302fc26176ac825fab0860e16f97ca6328d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0524d108e0ca2a37c840854b29e302fc26176ac825fab0860e16f97ca6328d0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0524d108e0ca2a37c840854b29e302fc26176ac825fab0860e16f97ca6328d0f", kill_on_drop: false }`
[INFO] [stdout] 0524d108e0ca2a37c840854b29e302fc26176ac825fab0860e16f97ca6328d0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bd5fb673e88091d97ce2bc020b14420e8afd30658b47845ab8fbee222988649
[INFO] running `Command { std: "docker" "start" "-a" "9bd5fb673e88091d97ce2bc020b14420e8afd30658b47845ab8fbee222988649", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling shadow_counted v0.4.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking impls v1.0.3
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking facet-core v0.25.1
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling unsynn v0.1.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling facet-derive-parse v0.25.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling facet-derive-emit v0.25.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling facet-derive v0.25.1
[INFO] [stderr]     Checking proptest v1.6.0
[INFO] [stderr]     Checking facet-reflect v0.25.1
[INFO] [stderr]     Checking facet v0.25.1
[INFO] [stderr]     Checking facet-xdr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `XdrSerializer` is never constructed
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub struct XdrSerializer<'w, W: Write> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `facet-xdr` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9bd5fb673e88091d97ce2bc020b14420e8afd30658b47845ab8fbee222988649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bd5fb673e88091d97ce2bc020b14420e8afd30658b47845ab8fbee222988649", kill_on_drop: false }`
[INFO] [stdout] 9bd5fb673e88091d97ce2bc020b14420e8afd30658b47845ab8fbee222988649
