[INFO] cloning repository https://github.com/gab50000/rust_macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gab50000/rust_macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab50000%2Frust_macros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab50000%2Frust_macros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99e6a7a5cb73986a392d538e76ef4f71da22df96
[INFO] checking gab50000/rust_macros against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgab50000%2Frust_macros" "/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/gab50000/rust_macros
[INFO] finished tweaking git repo https://github.com/gab50000/rust_macros
[INFO] tweaked toml for git repo https://github.com/gab50000/rust_macros written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gab50000/rust_macros on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gab50000/rust_macros 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ed780464da3b69785a7e3878a0303fb7c6cb373b825026aa6b7feeae9ed0de3
[INFO] running `Command { std: "docker" "start" "-a" "9ed780464da3b69785a7e3878a0303fb7c6cb373b825026aa6b7feeae9ed0de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ed780464da3b69785a7e3878a0303fb7c6cb373b825026aa6b7feeae9ed0de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed780464da3b69785a7e3878a0303fb7c6cb373b825026aa6b7feeae9ed0de3", kill_on_drop: false }`
[INFO] [stdout] 9ed780464da3b69785a7e3878a0303fb7c6cb373b825026aa6b7feeae9ed0de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a349df3951a5a818ffc5d4696a47535fdefe36c530a30081bc6b11ab45f4552
[INFO] running `Command { std: "docker" "start" "-a" "9a349df3951a5a818ffc5d4696a47535fdefe36c530a30081bc6b11ab45f4552", kill_on_drop: false }`
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | make_struct!(BirthYear, u32, "byr");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `make_struct! { BirthYear, u32, "byr" }`
[INFO] [stdout]    = note: to `#[derive(Debug)] struct BirthYear (u32); impl BirthYear
[INFO] [stdout]            {
[INFO] [stdout]                fn parse(input : & str) -> IResult < & str, Self >
[INFO] [stdout]                {
[INFO] [stdout]                    let prefix = tuple((tag("byr"), char(':'))); let parse_numbers =
[INFO] [stdout]                    map_res(digit1, < u32 > :: from_str); let parser =
[INFO] [stdout]                    preceded(prefix, parse_numbers); let mut p = map(parser, Self);
[INFO] [stdout]                    p(input)
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> src/main.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | make_struct!(EyeColor, &str, "ecl");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `make_struct! { EyeColor, &str, "ecl" }`
[INFO] [stdout]    = note: to `#[derive(Debug)] struct EyeColor < 'a > (& 'a str); impl < 'a > EyeColor < 'a
[INFO] [stdout]            >
[INFO] [stdout]            {
[INFO] [stdout]                fn parse(input : & 'a str) -> IResult < & 'a str, Self >
[INFO] [stdout]                {
[INFO] [stdout]                    let prefix = tuple((tag("ecl"), char(':'))); let parser =
[INFO] [stdout]                    preceded(prefix, alpha1); let mut p = map(parser, Self); p(input)
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> src/main.rs:66:1
[INFO] [stdout]    |
[INFO] [stdout] 66 | make_struct!(BirthYear, u32, "byr");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `make_struct! { BirthYear, u32, "byr" }`
[INFO] [stdout]    = note: to `#[derive(Debug)] struct BirthYear (u32); impl BirthYear
[INFO] [stdout]            {
[INFO] [stdout]                fn parse(input : & str) -> IResult < & str, Self >
[INFO] [stdout]                {
[INFO] [stdout]                    let prefix = tuple((tag("byr"), char(':'))); let parse_numbers =
[INFO] [stdout]                    map_res(digit1, < u32 > :: from_str); let parser =
[INFO] [stdout]                    preceded(prefix, parse_numbers); let mut p = map(parser, Self);
[INFO] [stdout]                    p(input)
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]   --> src/main.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | make_struct!(EyeColor, &str, "ecl");
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expanding `make_struct! { EyeColor, &str, "ecl" }`
[INFO] [stdout]    = note: to `#[derive(Debug)] struct EyeColor < 'a > (& 'a str); impl < 'a > EyeColor < 'a
[INFO] [stdout]            >
[INFO] [stdout]            {
[INFO] [stdout]                fn parse(input : & 'a str) -> IResult < & 'a str, Self >
[INFO] [stdout]                {
[INFO] [stdout]                    let prefix = tuple((tag("ecl"), char(':'))); let parser =
[INFO] [stdout]                    preceded(prefix, alpha1); let mut p = map(parser, Self); p(input)
[INFO] [stdout]                }
[INFO] [stdout]            }`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{io, str::FromStr};
[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: `io`
[INFO] [stdout]   --> src/main.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{io, str::FromStr};
[INFO] [stdout]    |           ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let mut prod = 1;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 73 |     println!("{}", mul![]);
[INFO] [stdout]    |                    ------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `mul` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parse` is never used
[INFO] [stdout]   --> src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait Parse {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |         struct $id($type);
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 | make_struct!(BirthYear, u32, "byr");
[INFO] [stdout]    | -----------------------------------
[INFO] [stdout]    | |            |
[INFO] [stdout]    | |            field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `BirthYear` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `make_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         struct $id<'a>(&'a str);
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | make_struct!(EyeColor, &str, "ecl");
[INFO] [stdout]    | -----------------------------------
[INFO] [stdout]    | |            |
[INFO] [stdout]    | |            field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `EyeColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `make_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |             let mut prod = 1;
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] ...
[INFO] [stdout] 73 |     println!("{}", mul![]);
[INFO] [stdout]    |                    ------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `mul` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parse` is never used
[INFO] [stdout]   --> src/main.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | trait Parse {
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |         struct $id($type);
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 | make_struct!(BirthYear, u32, "byr");
[INFO] [stdout]    | -----------------------------------
[INFO] [stdout]    | |            |
[INFO] [stdout]    | |            field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `BirthYear` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `make_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 |         struct $id<'a>(&'a str);
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | make_struct!(EyeColor, &str, "ecl");
[INFO] [stdout]    | -----------------------------------
[INFO] [stdout]    | |            |
[INFO] [stdout]    | |            field in this struct
[INFO] [stdout]    | in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `EyeColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: this warning originates in the macro `make_struct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "9a349df3951a5a818ffc5d4696a47535fdefe36c530a30081bc6b11ab45f4552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a349df3951a5a818ffc5d4696a47535fdefe36c530a30081bc6b11ab45f4552", kill_on_drop: false }`
[INFO] [stdout] 9a349df3951a5a818ffc5d4696a47535fdefe36c530a30081bc6b11ab45f4552
