[INFO] cloning repository https://github.com/mp768/Copper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mp768/Copper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmp768%2FCopper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmp768%2FCopper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d65ab68d41bdd12998a2b926285d7d3cda577cce
[INFO] testing mp768/Copper against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmp768%2FCopper" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mp768/Copper on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mp768/Copper
[INFO] finished tweaking git repo https://github.com/mp768/Copper
[INFO] tweaked toml for git repo https://github.com/mp768/Copper written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/mp768/Copper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05ccf89353dab639a5459550d0f9075054d9dcee187c2301a2431f51d7e38c7b
[INFO] running `Command { std: "docker" "start" "-a" "05ccf89353dab639a5459550d0f9075054d9dcee187c2301a2431f51d7e38c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05ccf89353dab639a5459550d0f9075054d9dcee187c2301a2431f51d7e38c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05ccf89353dab639a5459550d0f9075054d9dcee187c2301a2431f51d7e38c7b", kill_on_drop: false }`
[INFO] [stdout] 05ccf89353dab639a5459550d0f9075054d9dcee187c2301a2431f51d7e38c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23790a90aab11fe383a1d070b25f054b4c71b5eacd7d4018a2230b0ef801ce32
[INFO] running `Command { std: "docker" "start" "-a" "23790a90aab11fe383a1d070b25f054b4c71b5eacd7d4018a2230b0ef801ce32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling copper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MacroDefs`, `MacroTokenizer`
[INFO] [stdout]   --> src/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | use mini_macros::tokenizer::{MacroDefs, MacroTokenizer};
[INFO] [stdout]    |                              ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mini_macros::tokenizer::MacroExpander`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::mini_macros::tokenizer::MacroExpander;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.52s
[INFO] running `Command { std: "docker" "inspect" "23790a90aab11fe383a1d070b25f054b4c71b5eacd7d4018a2230b0ef801ce32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23790a90aab11fe383a1d070b25f054b4c71b5eacd7d4018a2230b0ef801ce32", kill_on_drop: false }`
[INFO] [stdout] 23790a90aab11fe383a1d070b25f054b4c71b5eacd7d4018a2230b0ef801ce32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3971e604d57dad52170724f13d3cbbc042697238ebdcfa5c716471ec5269f067
[INFO] running `Command { std: "docker" "start" "-a" "3971e604d57dad52170724f13d3cbbc042697238ebdcfa5c716471ec5269f067", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling copper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MacroDefs`, `MacroTokenizer`
[INFO] [stdout]   --> src/main.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 | use mini_macros::tokenizer::{MacroDefs, MacroTokenizer};
[INFO] [stdout]    |                              ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mini_macros::tokenizer::MacroExpander`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::mini_macros::tokenizer::MacroExpander;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.20s
[INFO] running `Command { std: "docker" "inspect" "3971e604d57dad52170724f13d3cbbc042697238ebdcfa5c716471ec5269f067", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3971e604d57dad52170724f13d3cbbc042697238ebdcfa5c716471ec5269f067", kill_on_drop: false }`
[INFO] [stdout] 3971e604d57dad52170724f13d3cbbc042697238ebdcfa5c716471ec5269f067
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f15a617ed5deed8bd97c888c8ac5f6ef0ce33119454a3303cecc490c7638a8bb
[INFO] running `Command { std: "docker" "start" "-a" "f15a617ed5deed8bd97c888c8ac5f6ef0ce33119454a3303cecc490c7638a8bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `MacroDefs`, `MacroTokenizer`
[INFO] [stderr]   --> src/main.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 | use mini_macros::tokenizer::{MacroDefs, MacroTokenizer};
[INFO] [stderr]    |                              ^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::mini_macros::tokenizer::MacroExpander`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use crate::mini_macros::tokenizer::MacroExpander;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `copper` (bin "copper" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/copper-d59bf99f375c4359)
[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" "f15a617ed5deed8bd97c888c8ac5f6ef0ce33119454a3303cecc490c7638a8bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15a617ed5deed8bd97c888c8ac5f6ef0ce33119454a3303cecc490c7638a8bb", kill_on_drop: false }`
[INFO] [stdout] f15a617ed5deed8bd97c888c8ac5f6ef0ce33119454a3303cecc490c7638a8bb