[INFO] cloning repository https://github.com/ggvm-org/ggvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggvm-org/ggvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggvm-org%2Fggvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggvm-org%2Fggvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee3b1434784892f93f47a8f2cf51f9069dc4868f
[INFO] checking ggvm-org/ggvm against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggvm-org%2Fggvm" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ggvm-org/ggvm
[INFO] finished tweaking git repo https://github.com/ggvm-org/ggvm
[INFO] tweaked toml for git repo https://github.com/ggvm-org/ggvm written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ggvm-org/ggvm 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/ggvm-org/ggvm 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 10690a65b855ad466bf14ea092d82093c0a4e7f27e2f4debf2df1679de915740
[INFO] running `Command { std: "docker" "start" "-a" "10690a65b855ad466bf14ea092d82093c0a4e7f27e2f4debf2df1679de915740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10690a65b855ad466bf14ea092d82093c0a4e7f27e2f4debf2df1679de915740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10690a65b855ad466bf14ea092d82093c0a4e7f27e2f4debf2df1679de915740", kill_on_drop: false }`
[INFO] [stdout] 10690a65b855ad466bf14ea092d82093c0a4e7f27e2f4debf2df1679de915740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fafa89916fa8bd3db3fa461da9a13b39caa2da91bca46dabc6558ac69f9f1f95
[INFO] running `Command { std: "docker" "start" "-a" "fafa89916fa8bd3db3fa461da9a13b39caa2da91bca46dabc6558ac69f9f1f95", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking plan9_asm v0.4.3
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking go_ast v0.1.0 (/opt/rustwide/workdir/go_ast)
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stdout] error: struct `Package` is never constructed
[INFO] [stdout]  --> go_ast/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Package(String);
[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] [stdout] error: struct `Import` is never constructed
[INFO] [stdout]  --> go_ast/src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Import(String);
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Arg` is never constructed
[INFO] [stdout]   --> go_ast/src/lib.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Arg(String, Type);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `new_main` are never used
[INFO] [stdout]   --> go_ast/src/lib.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Package {
[INFO] [stdout]    | ------------ associated functions in this implementation
[INFO] [stdout]  7 |     fn new(s: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn new_main() -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `math_rand` are never used
[INFO] [stdout]   --> go_ast/src/lib.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Import {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 24 |     fn new(s: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn math_rand() -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Func` is never constructed
[INFO] [stdout]   --> go_ast/src/lib.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) struct Func {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> go_ast/src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl Func {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 47 |     pub fn new(name: String, ret_type: Type, wrap: &'static str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `go_ast` (lib) due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> go_ast/src/lib.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct Arg(String, Type);
[INFO] [stdout]    |            --- ^^^^^^  ^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fafa89916fa8bd3db3fa461da9a13b39caa2da91bca46dabc6558ac69f9f1f95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafa89916fa8bd3db3fa461da9a13b39caa2da91bca46dabc6558ac69f9f1f95", kill_on_drop: false }`
[INFO] [stdout] fafa89916fa8bd3db3fa461da9a13b39caa2da91bca46dabc6558ac69f9f1f95