[INFO] cloning repository https://github.com/largenumberhere/n2t_vm_translator [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/largenumberhere/n2t_vm_translator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flargenumberhere%2Fn2t_vm_translator", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flargenumberhere%2Fn2t_vm_translator'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9c7ca757e88f38eb3027174eb5c2cde6a093e94 [INFO] checking largenumberhere/n2t_vm_translator against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flargenumberhere%2Fn2t_vm_translator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/largenumberhere/n2t_vm_translator [INFO] finished tweaking git repo https://github.com/largenumberhere/n2t_vm_translator [INFO] tweaked toml for git repo https://github.com/largenumberhere/n2t_vm_translator written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/largenumberhere/n2t_vm_translator on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/largenumberhere/n2t_vm_translator 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc [INFO] running `Command { std: "docker" "start" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.89 [INFO] [stderr] Compiling hack_macro v0.1.0 (/opt/rustwide/workdir/hack_macro) [INFO] [stdout] warning: unused import: `proc_macro::TokenTree` [INFO] [stdout] --> hack_macro/src/lib.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use proc_macro::TokenTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> hack_macro/src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Group` [INFO] [stdout] --> hack_macro/src/lib.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | use proc_macro2::{Group, Span}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Token` [INFO] [stdout] --> hack_macro/src/lib.rs:7:38 [INFO] [stdout] | [INFO] [stdout] 7 | use syn::{parse_macro_input, LitStr, Token}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::debug` [INFO] [stdout] --> hack_macro/src/lib.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use log::debug; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `quote::__private::ext::RepToTokensExt` [INFO] [stdout] --> hack_macro/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use quote::__private::ext::RepToTokensExt; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `TokenTree1` is never used [INFO] [stdout] --> hack_macro/src/lib.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | type TokenTree1 = proc_macro::TokenTree; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `TokenTree2` is never used [INFO] [stdout] --> hack_macro/src/lib.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | type TokenTree2 = proc_macro2::TokenTree; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `proc_macro2::TokenStream` [INFO] [stdout] --> hack_macro/src/lib.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | stream.into() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 113 - stream.into() [INFO] [stdout] 113 + stream [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 113 - stream.into() [INFO] [stdout] 113 + >::into(stream) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hack_macro` (lib) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc", kill_on_drop: false }` [INFO] [stdout] 171051260b92d1ca1421d88803a308fca430beb7582aa443cc3d2c05971b9dbc