[INFO] cloning repository https://github.com/fzs111/rust-generic-mutability-ext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fzs111/rust-generic-mutability-ext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzs111%2Frust-generic-mutability-ext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzs111%2Frust-generic-mutability-ext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f366b1ccfafbba2d0ac55161c8674847705f7015
[INFO] checking fzs111/rust-generic-mutability-ext/f366b1ccfafbba2d0ac55161c8674847705f7015 against try#0d69e2d38d443a5f5bcd601fecce9431b3835c30 for pr-130531
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffzs111%2Frust-generic-mutability-ext" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fzs111/rust-generic-mutability-ext on toolchain 0d69e2d38d443a5f5bcd601fecce9431b3835c30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fzs111/rust-generic-mutability-ext
[INFO] finished tweaking git repo https://github.com/fzs111/rust-generic-mutability-ext
[INFO] tweaked toml for git repo https://github.com/fzs111/rust-generic-mutability-ext written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fzs111/rust-generic-mutability-ext 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" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-mutability v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88904ee9a2f5e891b5418a614bf7d68e4bb8ffaf39007da118d37f326d455eaa
[INFO] running `Command { std: "docker" "start" "-a" "88904ee9a2f5e891b5418a614bf7d68e4bb8ffaf39007da118d37f326d455eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88904ee9a2f5e891b5418a614bf7d68e4bb8ffaf39007da118d37f326d455eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88904ee9a2f5e891b5418a614bf7d68e4bb8ffaf39007da118d37f326d455eaa", kill_on_drop: false }`
[INFO] [stdout] 88904ee9a2f5e891b5418a614bf7d68e4bb8ffaf39007da118d37f326d455eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+0d69e2d38d443a5f5bcd601fecce9431b3835c30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 587832db3295349c93420a504a95b838124f79699db8b9b475a8aa09b25d02a2
[INFO] running `Command { std: "docker" "start" "-a" "587832db3295349c93420a504a95b838124f79699db8b9b475a8aa09b25d02a2", kill_on_drop: false }`
[INFO] [stderr]     Checking generic-mutability v0.1.0
[INFO] [stderr]     Checking generic-mutability-ext v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `into_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 macro_rules! into_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `into_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 macro_rules! into_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `from_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 macro_rules! from_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `from_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 macro_rules! from_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `into_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 macro_rules! into_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `into_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:72:30
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 macro_rules! into_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `from_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:49:30
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 macro_rules! from_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `from_gen`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/generic-mutability-0.1.0/src/macros.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 macro_rules! from_gen {
[INFO] [stdout]    |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "587832db3295349c93420a504a95b838124f79699db8b9b475a8aa09b25d02a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "587832db3295349c93420a504a95b838124f79699db8b9b475a8aa09b25d02a2", kill_on_drop: false }`
[INFO] [stdout] 587832db3295349c93420a504a95b838124f79699db8b9b475a8aa09b25d02a2