[INFO] cloning repository https://github.com/sergey-melnychuk/iamgroot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sergey-melnychuk/iamgroot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fiamgroot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fiamgroot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e76a5a12b5b58f9d6dde0cd31ea1e0e1a600dea1
[INFO] checking sergey-melnychuk/iamgroot against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsergey-melnychuk%2Fiamgroot" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sergey-melnychuk/iamgroot on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sergey-melnychuk/iamgroot
[INFO] finished tweaking git repo https://github.com/sergey-melnychuk/iamgroot
[INFO] tweaked toml for git repo https://github.com/sergey-melnychuk/iamgroot written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sergey-melnychuk/iamgroot 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.84
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded reqwest v0.11.16
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded rustix v0.37.6
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded openssl v0.10.49
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9360190ce5bca04d28cd238e444c108a415e75c934ac8ffb1f7a6bb22a312eb
[INFO] running `Command { std: "docker" "start" "-a" "b9360190ce5bca04d28cd238e444c108a415e75c934ac8ffb1f7a6bb22a312eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9360190ce5bca04d28cd238e444c108a415e75c934ac8ffb1f7a6bb22a312eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9360190ce5bca04d28cd238e444c108a415e75c934ac8ffb1f7a6bb22a312eb", kill_on_drop: false }`
[INFO] [stdout] b9360190ce5bca04d28cd238e444c108a415e75c934ac8ffb1f7a6bb22a312eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d343cfdb6a33436c59f3a7e8c7abd9460c0b0b2158e6729e9b60b5e63635da4b
[INFO] running `Command { std: "docker" "start" "-a" "d343cfdb6a33436c59f3a7e8c7abd9460c0b0b2158e6729e9b60b5e63635da4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking futures-util v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling openssl v0.10.49
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling openssl-sys v0.9.84
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]    Compiling axum v0.7.4
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking axum-core v0.4.3
[INFO] [stderr]     Checking tokio-util v0.7.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.2
[INFO] [stderr]     Checking h2 v0.3.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.15
[INFO] [stderr]     Checking iamgroot v0.2.6 (/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 v1.1.0
[INFO] [stderr]     Checking hyper v0.14.25
[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] [stdout] warning: the item `jsonrpc` is imported redundantly
[INFO] [stdout]   --> examples/proxy.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use super::*;
[INFO] [stdout]    |         -------- the item `jsonrpc` is already imported here
[INFO] [stdout] 81 |     use iamgroot::jsonrpc;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "d343cfdb6a33436c59f3a7e8c7abd9460c0b0b2158e6729e9b60b5e63635da4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d343cfdb6a33436c59f3a7e8c7abd9460c0b0b2158e6729e9b60b5e63635da4b", kill_on_drop: false }`
[INFO] [stdout] d343cfdb6a33436c59f3a7e8c7abd9460c0b0b2158e6729e9b60b5e63635da4b