[INFO] fetching crate next-gen_proc-macro 0.0.10...
[INFO] testing next-gen_proc-macro-0.0.10 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate next-gen_proc-macro 0.0.10 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate next-gen_proc-macro 0.0.10 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate next-gen_proc-macro 0.0.10
[INFO] finished tweaking crates.io crate next-gen_proc-macro 0.0.10
[INFO] tweaked toml for crates.io crate next-gen_proc-macro 0.0.10 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fstrings v0.2.3
[INFO] [stderr]   Downloaded fstrings-proc-macro v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb127e884c76a51312a22c10f4a4e4ef5baf983bb6e07d7cc1201562029c3e3
[INFO] running `Command { std: "docker" "start" "-a" "3eb127e884c76a51312a22c10f4a4e4ef5baf983bb6e07d7cc1201562029c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb127e884c76a51312a22c10f4a4e4ef5baf983bb6e07d7cc1201562029c3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb127e884c76a51312a22c10f4a4e4ef5baf983bb6e07d7cc1201562029c3e3", kill_on_drop: false }`
[INFO] [stdout] 3eb127e884c76a51312a22c10f4a4e4ef5baf983bb6e07d7cc1201562029c3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd1ffa4b634006c8388ff1834495e1f9bb0dac2323533868fb8c6807bd2455f
[INFO] running `Command { std: "docker" "start" "-a" "8fd1ffa4b634006c8388ff1834495e1f9bb0dac2323533868fb8c6807bd2455f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling fstrings-proc-macro v0.2.3
[INFO] [stderr]    Compiling fstrings v0.2.3
[INFO] [stderr]    Compiling next-gen_proc-macro v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> mod.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     debug_input!(&input);
[INFO] [stdout]    |                  ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |     debug_input!(let _ = &input);
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.17s
[INFO] running `Command { std: "docker" "inspect" "8fd1ffa4b634006c8388ff1834495e1f9bb0dac2323533868fb8c6807bd2455f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd1ffa4b634006c8388ff1834495e1f9bb0dac2323533868fb8c6807bd2455f", kill_on_drop: false }`
[INFO] [stdout] 8fd1ffa4b634006c8388ff1834495e1f9bb0dac2323533868fb8c6807bd2455f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4eecdb9102fc55aa16621cbd93dc6b21d45cc4e6b499496a4c5a418a5bbabbe
[INFO] running `Command { std: "docker" "start" "-a" "b4eecdb9102fc55aa16621cbd93dc6b21d45cc4e6b499496a4c5a418a5bbabbe", kill_on_drop: false }`
[INFO] [stderr]    Compiling next-gen_proc-macro v0.0.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> mod.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     debug_input!(&input);
[INFO] [stdout]    |                  ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |     debug_input!(let _ = &input);
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> mod.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     debug_input!(&input);
[INFO] [stdout]    |                  ^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 55 |     debug_input!(let _ = &input);
[INFO] [stdout]    |                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "b4eecdb9102fc55aa16621cbd93dc6b21d45cc4e6b499496a4c5a418a5bbabbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4eecdb9102fc55aa16621cbd93dc6b21d45cc4e6b499496a4c5a418a5bbabbe", kill_on_drop: false }`
[INFO] [stdout] b4eecdb9102fc55aa16621cbd93dc6b21d45cc4e6b499496a4c5a418a5bbabbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea28e91dfe48cdb1dc3b773e093cf3c8617c9ded338c7412940779e431f5f371
[INFO] running `Command { std: "docker" "start" "-a" "ea28e91dfe48cdb1dc3b773e093cf3c8617c9ded338c7412940779e431f5f371", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> mod.rs:55:18
[INFO] [stderr]    |
[INFO] [stderr] 55 |     debug_input!(&input);
[INFO] [stderr]    |                  ^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 55 |     debug_input!(let _ = &input);
[INFO] [stderr]    |                  +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `next-gen_proc-macro` (lib) generated 1 warning
[INFO] [stderr] warning: `next-gen_proc-macro` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/next_gen_proc_macro-eff13a79b7dc7289)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests next-gen_proc-macro
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea28e91dfe48cdb1dc3b773e093cf3c8617c9ded338c7412940779e431f5f371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea28e91dfe48cdb1dc3b773e093cf3c8617c9ded338c7412940779e431f5f371", kill_on_drop: false }`
[INFO] [stdout] ea28e91dfe48cdb1dc3b773e093cf3c8617c9ded338c7412940779e431f5f371