[INFO] fetching crate iamgroot 0.2.8...
[INFO] checking iamgroot-0.2.8 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate iamgroot 0.2.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate iamgroot 0.2.8 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iamgroot 0.2.8
[INFO] finished tweaking crates.io crate iamgroot 0.2.8
[INFO] tweaked toml for crates.io crate iamgroot 0.2.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate iamgroot 0.2.8 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af04d1cb0f73effc07b888e92f6cb13464cbb321e5d695bac8db73999812bbc3
[INFO] running `Command { std: "docker" "start" "-a" "af04d1cb0f73effc07b888e92f6cb13464cbb321e5d695bac8db73999812bbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af04d1cb0f73effc07b888e92f6cb13464cbb321e5d695bac8db73999812bbc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af04d1cb0f73effc07b888e92f6cb13464cbb321e5d695bac8db73999812bbc3", kill_on_drop: false }`
[INFO] [stdout] af04d1cb0f73effc07b888e92f6cb13464cbb321e5d695bac8db73999812bbc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a58adbdeaf6bf0313462778010fdf8dcb8adbe7b9d71c81bc510fbbaa63fda8
[INFO] running `Command { std: "docker" "start" "-a" "1a58adbdeaf6bf0313462778010fdf8dcb8adbe7b9d71c81bc510fbbaa63fda8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
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[INFO] [stderr]     Checking iamgroot v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Alias` is never constructed
[INFO] [stdout]   --> src/codegen.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct Alias {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Alias` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trait` is never constructed
[INFO] [stdout]    --> src/codegen.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct Trait {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Trait` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.14.25
[INFO] [stderr]     Checking hyper v1.1.0
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.16
[INFO] [stdout] warning: struct `Alias` is never constructed
[INFO] [stdout]   --> src/codegen.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub struct Alias {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Alias` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trait` is never constructed
[INFO] [stdout]    --> src/codegen.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct Trait {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Trait` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 58.27s
[INFO] running `Command { std: "docker" "inspect" "1a58adbdeaf6bf0313462778010fdf8dcb8adbe7b9d71c81bc510fbbaa63fda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a58adbdeaf6bf0313462778010fdf8dcb8adbe7b9d71c81bc510fbbaa63fda8", kill_on_drop: false }`
[INFO] [stdout] 1a58adbdeaf6bf0313462778010fdf8dcb8adbe7b9d71c81bc510fbbaa63fda8