[INFO] cloning repository https://github.com/raustin9/ViperLang-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raustin9/ViperLang-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraustin9%2FViperLang-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraustin9%2FViperLang-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b4d513d25e478bb1b41506be9283544b46ae884
[INFO] checking raustin9/ViperLang-Rust against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraustin9%2FViperLang-Rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raustin9/ViperLang-Rust
[INFO] finished tweaking git repo https://github.com/raustin9/ViperLang-Rust
[INFO] tweaked toml for git repo https://github.com/raustin9/ViperLang-Rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raustin9/ViperLang-Rust on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raustin9/ViperLang-Rust 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 412034f2b7bf79c74887f8226c94f689273f6956c12b49a334a75de14c021391
[INFO] running `Command { std: "docker" "start" "-a" "412034f2b7bf79c74887f8226c94f689273f6956c12b49a334a75de14c021391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "412034f2b7bf79c74887f8226c94f689273f6956c12b49a334a75de14c021391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "412034f2b7bf79c74887f8226c94f689273f6956c12b49a334a75de14c021391", kill_on_drop: false }`
[INFO] [stdout] 412034f2b7bf79c74887f8226c94f689273f6956c12b49a334a75de14c021391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d77db78572bd74ed7bda0355cf20eb1768e4fb3db898fef20e38b2d64c6ee54
[INFO] running `Command { std: "docker" "start" "-a" "2d77db78572bd74ed7bda0355cf20eb1768e4fb3db898fef20e38b2d64c6ee54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling thiserror v1.0.59
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]    Compiling substring v1.4.5
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking viper_core v0.1.0 (/opt/rustwide/workdir/viper_core)
[INFO] [stdout] error: struct `StdEmitter` is never constructed
[INFO] [stdout]   --> viper_core/src/emitter.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct StdEmitter {
[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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viper_core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `StdEmitter` is never constructed
[INFO] [stdout]   --> viper_core/src/emitter.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct StdEmitter {
[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_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `viper_core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2d77db78572bd74ed7bda0355cf20eb1768e4fb3db898fef20e38b2d64c6ee54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d77db78572bd74ed7bda0355cf20eb1768e4fb3db898fef20e38b2d64c6ee54", kill_on_drop: false }`
[INFO] [stdout] 2d77db78572bd74ed7bda0355cf20eb1768e4fb3db898fef20e38b2d64c6ee54