[INFO] cloning repository https://github.com/whoiscc/frivolous
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whoiscc/frivolous" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoiscc%2Ffrivolous", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoiscc%2Ffrivolous'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51f7958162d6b5f07c47c7257e611b320a9e11d5
[INFO] checking whoiscc/frivolous against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhoiscc%2Ffrivolous" "/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/whoiscc/frivolous on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whoiscc/frivolous
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/whoiscc/frivolous
[INFO] tweaked toml for git repo https://github.com/whoiscc/frivolous written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whoiscc/frivolous 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" "+fc545c6b951a304df08b327c158f92678582f435" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16d253a5abae9b17a26ba6ced7f4da87b250fe96398151698038d605efc2baf
[INFO] running `Command { std: "docker" "start" "-a" "a16d253a5abae9b17a26ba6ced7f4da87b250fe96398151698038d605efc2baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16d253a5abae9b17a26ba6ced7f4da87b250fe96398151698038d605efc2baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16d253a5abae9b17a26ba6ced7f4da87b250fe96398151698038d605efc2baf", kill_on_drop: false }`
[INFO] [stdout] a16d253a5abae9b17a26ba6ced7f4da87b250fe96398151698038d605efc2baf
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa9f74d3e91c9cf681974017e90bc9be5768cdc490c2fb9ac61a0af261133077
[INFO] running `Command { std: "docker" "start" "-a" "fa9f74d3e91c9cf681974017e90bc9be5768cdc490c2fb9ac61a0af261133077", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.84
[INFO] [stderr]    Compiling cc v1.0.98
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking miniz_oxide v0.7.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking object v0.35.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling tikv-jemalloc-sys v0.5.4+5.3.0-patched
[INFO] [stderr]    Compiling backtrace v0.3.72
[INFO] [stderr]     Checking addr2line v0.22.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tikv-jemallocator v0.5.4
[INFO] [stderr]     Checking frivolous v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Source(Vec<Node>);
[INFO] [stdout]    |            ------ ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Source` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/parse.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Source(Vec<Node>);
[INFO] [stdout]    |            ------ ^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Source` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "fa9f74d3e91c9cf681974017e90bc9be5768cdc490c2fb9ac61a0af261133077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9f74d3e91c9cf681974017e90bc9be5768cdc490c2fb9ac61a0af261133077", kill_on_drop: false }`
[INFO] [stdout] fa9f74d3e91c9cf681974017e90bc9be5768cdc490c2fb9ac61a0af261133077