[INFO] cloning repository https://github.com/hwang-fu/rust-macros-mastery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwang-fu/rust-macros-mastery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwang-fu%2Frust-macros-mastery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwang-fu%2Frust-macros-mastery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b2f23a652a91d63157324faf29d7267cc013f1d
[INFO] checking hwang-fu/rust-macros-mastery against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwang-fu%2Frust-macros-mastery" "/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/hwang-fu/rust-macros-mastery
[INFO] finished tweaking git repo https://github.com/hwang-fu/rust-macros-mastery
[INFO] tweaked toml for git repo https://github.com/hwang-fu/rust-macros-mastery written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hwang-fu/rust-macros-mastery on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hwang-fu/rust-macros-mastery 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "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] 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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e
[INFO] running `Command { std: "docker" "start" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e", 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" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e", 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" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking p16_attr_types v0.1.0 (/opt/rustwide/workdir/p16_attr_types)
[INFO] [stderr]     Checking p19_fn_macro_dsl v0.1.0 (/opt/rustwide/workdir/p19_fn_macro_dsl)
[INFO] [stderr]     Checking p11_derive_generics v0.1.0 (/opt/rustwide/workdir/p11_derive_generics)
[INFO] [stderr]     Checking p15_attr_functions v0.1.0 (/opt/rustwide/workdir/p15_attr_functions)
[INFO] [stderr]     Checking p18_fn_macro_basic v0.1.0 (/opt/rustwide/workdir/p18_fn_macro_basic)
[INFO] [stderr]     Checking p10_derive_basic v0.1.0 (/opt/rustwide/workdir/p10_derive_basic)
[INFO] [stderr]     Checking p17_attr_modules v0.1.0 (/opt/rustwide/workdir/p17_attr_modules)
[INFO] [stderr]     Checking p09_syn_basics v0.1.0 (/opt/rustwide/workdir/p09_syn_basics)
[INFO] [stderr]     Checking p24_darling v0.1.0 (/opt/rustwide/workdir/p24_darling)
[INFO] [stderr]     Checking p34_test_pattern v0.1.0 (/opt/rustwide/workdir/p34_test_pattern)
[INFO] [stderr]     Checking p23_syn_errors v0.1.0 (/opt/rustwide/workdir/p23_syn_errors)
[INFO] [stderr]     Checking p33_builder_pattern v0.1.0 (/opt/rustwide/workdir/p33_builder_pattern)
[INFO] [stderr]     Checking p01_macro_basics v0.1.0 (/opt/rustwide/workdir/p01_macro_basics)
[INFO] [stderr]     Checking p08_proc_macro_tools v0.1.0 (/opt/rustwide/workdir/p08_proc_macro_tools)
[INFO] [stderr]     Checking p03_macro_rules v0.1.0 (/opt/rustwide/workdir/p03_macro_rules)
[INFO] [stderr]     Checking p29_testing_proc v0.1.0 (/opt/rustwide/workdir/p29_testing_proc)
[INFO] [stderr]     Checking p28_testing_decl v0.1.0 (/opt/rustwide/workdir/p28_testing_decl)
[INFO] [stderr]     Checking p02_macro_repetition v0.1.0 (/opt/rustwide/workdir/p02_macro_repetition)
[INFO] [stderr]     Checking p07_proc_macro_intro v0.1.0 (/opt/rustwide/workdir/p07_proc_macro_intro)
[INFO] [stderr]     Checking p27_ident_generation v0.1.0 (/opt/rustwide/workdir/p27_ident_generation)
[INFO] [stderr]     Checking p06_macro_context v0.1.0 (/opt/rustwide/workdir/p06_macro_context)
[INFO] [stdout] warning: unused macro definition: `one`
[INFO] [stdout]  --> p01_macro_basics/src/main.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | macro_rules! one {
[INFO] [stdout]   |              ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `double`
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | macro_rules! double {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `add`
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 23 | macro_rules! add {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `parentheses`
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 | macro_rules! parentheses {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `count_tts`
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 | macro_rules! count_tts {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `count_tts2`
[INFO] [stdout]    --> p01_macro_basics/src/main.rs:100:14
[INFO] [stdout]     |
[INFO] [stdout] 100 | macro_rules! count_tts2 {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_four` is never used
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | make_fn!(get_four, 4);
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `make_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_five` is never used
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | make_fn!(get_five, 5);
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_fn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Int32` is never used
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 | make_alias!(Int32, i32);
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_alias` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Text` is never used
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 | make_alias!(Text, String);
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_alias` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Numbers32` is never used
[INFO] [stdout]   --> p01_macro_basics/src/main.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 | make_alias!(Numbers32, Vec<i32>);
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `make_alias` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking p26_macro_scoping v0.1.0 (/opt/rustwide/workdir/p26_macro_scoping)
[INFO] [stderr]     Checking p05_macro_internal v0.1.0 (/opt/rustwide/workdir/p05_macro_internal)
[INFO] [stderr]     Checking p04_macro_recursion v0.1.0 (/opt/rustwide/workdir/p04_macro_recursion)
[INFO] [stderr]     Checking p25_hygiene_basics v0.1.0 (/opt/rustwide/workdir/p25_hygiene_basics)
[INFO] [stderr]     Checking p32_web_pattern v0.1.0 (/opt/rustwide/workdir/p32_web_pattern)
[INFO] [stdout] warning: function `get_ten` is never used
[INFO] [stdout]   --> p06_macro_context/src/main.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | my_make_getter!(get_ten, 10);
[INFO] [stdout]    |                 ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `my_make_getter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_twenty` is never used
[INFO] [stdout]   --> p06_macro_context/src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | my_make_getter!(get_twenty, 20);
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `my_make_getter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking p31_serde_pattern v0.1.0 (/opt/rustwide/workdir/p31_serde_pattern)
[INFO] [stdout] warning: unused macro definition: `my_count_tokens`
[INFO] [stdout]  --> p05_macro_internal/src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! my_count_tokens {
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_token_count_print`
[INFO] [stdout]   --> p05_macro_internal/src/main.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! my_token_count_print {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_call`
[INFO] [stdout]   --> p05_macro_internal/src/main.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 | macro_rules! my_call {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_describe_tokens`
[INFO] [stdout]   --> p05_macro_internal/src/main.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 | macro_rules! my_describe_tokens {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_vec`
[INFO] [stdout]  --> p02_macro_repetition/src/main.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! my_vec {
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_sum`
[INFO] [stdout]   --> p02_macro_repetition/src/main.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 | macro_rules! my_sum {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_sum2`
[INFO] [stdout]   --> p02_macro_repetition/src/main.rs:22:14
[INFO] [stdout]    |
[INFO] [stdout] 22 | macro_rules! my_sum2 {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `my_vec_v2`
[INFO] [stdout]   --> p02_macro_repetition/src/main.rs:31:14
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! my_vec_v2 {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking p30_debugging v0.1.0 (/opt/rustwide/workdir/p30_debugging)
[INFO] [stderr]     Checking p22_quote_advanced v0.1.0 (/opt/rustwide/workdir/p22_quote_advanced)
[INFO] [stderr]     Checking p14_attr_basic v0.1.0 (/opt/rustwide/workdir/p14_attr_basic)
[INFO] [stderr]     Checking p21_syn_advanced v0.1.0 (/opt/rustwide/workdir/p21_syn_advanced)
[INFO] [stderr]     Checking p13_derive_advanced v0.1.0 (/opt/rustwide/workdir/p13_derive_advanced)
[INFO] [stderr]     Checking p20_fn_macro_data v0.1.0 (/opt/rustwide/workdir/p20_fn_macro_data)
[INFO] [stderr]     Checking p12_derive_attributes v0.1.0 (/opt/rustwide/workdir/p12_derive_attributes)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e", kill_on_drop: false }`
[INFO] [stdout] c69f852c6762217ab7480e2c37abfafc5a06aa765ea4dec6caca3c34d598e91e
