[INFO] cloning repository https://github.com/MwanikiN/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MwanikiN/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwanikiN%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwanikiN%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3956bc3ad5ff909bad7ef6ab8db414f3d4825a10
[INFO] testing MwanikiN/rust against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMwanikiN%2Frust" "/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/MwanikiN/rust
[INFO] finished tweaking git repo https://github.com/MwanikiN/rust
[INFO] tweaked toml for git repo https://github.com/MwanikiN/rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MwanikiN/rust on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MwanikiN/rust 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fc3f6182f7f11e93533e5831afc0d355baea1e89f94cb4a740cd0cd55e8cf28
[INFO] running `Command { std: "docker" "start" "-a" "9fc3f6182f7f11e93533e5831afc0d355baea1e89f94cb4a740cd0cd55e8cf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fc3f6182f7f11e93533e5831afc0d355baea1e89f94cb4a740cd0cd55e8cf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fc3f6182f7f11e93533e5831afc0d355baea1e89f94cb4a740cd0cd55e8cf28", kill_on_drop: false }`
[INFO] [stdout] 9fc3f6182f7f11e93533e5831afc0d355baea1e89f94cb4a740cd0cd55e8cf28
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1fc92e7710966eae154e32ca9aa41466848155aca2e3b63bfd6c9f099b173a
[INFO] running `Command { std: "docker" "start" "-a" "ba1fc92e7710966eae154e32ca9aa41466848155aca2e3b63bfd6c9f099b173a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Used` is never constructed
[INFO] [stdout]   --> src/bin/a2.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Age { New, Used }
[INFO] [stdout]    |      ---        ^^^^
[INFO] [stdout]    |      |
[INFO] [stdout]    |      variant in this enum
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Age` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Used` is never constructed
[INFO] [stdout]   --> src/bin/a3.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Age { New, Used }
[INFO] [stdout]    |      ---        ^^^^
[INFO] [stdout]    |      |
[INFO] [stdout]    |      variant in this enum
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Age` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "ba1fc92e7710966eae154e32ca9aa41466848155aca2e3b63bfd6c9f099b173a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1fc92e7710966eae154e32ca9aa41466848155aca2e3b63bfd6c9f099b173a", kill_on_drop: false }`
[INFO] [stdout] ba1fc92e7710966eae154e32ca9aa41466848155aca2e3b63bfd6c9f099b173a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdbfabc1d478a3fba011b8c87c15313f246dc87ef8ceb9a5f2b3aab00d8c0a16
[INFO] running `Command { std: "docker" "start" "-a" "bdbfabc1d478a3fba011b8c87c15313f246dc87ef8ceb9a5f2b3aab00d8c0a16", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Used` is never constructed
[INFO] [stdout]   --> src/bin/a3.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Age { New, Used }
[INFO] [stdout]    |      ---        ^^^^
[INFO] [stdout]    |      |
[INFO] [stdout]    |      variant in this enum
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Age` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Used` is never constructed
[INFO] [stdout]   --> src/bin/a2.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum Age { New, Used }
[INFO] [stdout]    |      ---        ^^^^
[INFO] [stdout]    |      |
[INFO] [stdout]    |      variant in this enum
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Age` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "bdbfabc1d478a3fba011b8c87c15313f246dc87ef8ceb9a5f2b3aab00d8c0a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbfabc1d478a3fba011b8c87c15313f246dc87ef8ceb9a5f2b3aab00d8c0a16", kill_on_drop: false }`
[INFO] [stdout] bdbfabc1d478a3fba011b8c87c15313f246dc87ef8ceb9a5f2b3aab00d8c0a16
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 577b97c7799e802ad82ebfbbf1beaf75b09223f3e943cae62a3cf2718090e8c0
[INFO] running `Command { std: "docker" "start" "-a" "577b97c7799e802ad82ebfbbf1beaf75b09223f3e943cae62a3cf2718090e8c0", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Used` is never constructed
[INFO] [stderr]   --> src/bin/a2.rs:12:17
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum Age { New, Used }
[INFO] [stderr]    |      ---        ^^^^
[INFO] [stderr]    |      |
[INFO] [stderr]    |      variant in this enum
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Age` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustc` (bin "a2" test) generated 1 warning
[INFO] [stderr] warning: variant `Used` is never constructed
[INFO] [stderr]   --> src/bin/a3.rs:11:17
[INFO] [stderr]    |
[INFO] [stderr] 11 | enum Age { New, Used }
[INFO] [stderr]    |      ---        ^^^^
[INFO] [stderr]    |      |
[INFO] [stderr]    |      variant in this enum
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Age` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustc` (bin "a3" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/bin/a1.rs (/opt/rustwide/target/debug/deps/a1-d43ecf8ab3009f1b)
[INFO] [stderr]      Running unittests src/bin/a2.rs (/opt/rustwide/target/debug/deps/a2-3b65076656c82e1e)
[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] [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] [stdout] 
[INFO] [stderr]      Running unittests src/bin/a3.rs (/opt/rustwide/target/debug/deps/a3-df1a87c9f0038fb9)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/bin/a4.rs (/opt/rustwide/target/debug/deps/a4-9c7dc97c702a171c)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/a5.rs (/opt/rustwide/target/debug/deps/a5-7dbe7ba2d00be31c)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/bin/a6.rs (/opt/rustwide/target/debug/deps/a6-91c13143c4c7e79d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustc-b66796cb68d84fe9)
[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] [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] [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] [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" "577b97c7799e802ad82ebfbbf1beaf75b09223f3e943cae62a3cf2718090e8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577b97c7799e802ad82ebfbbf1beaf75b09223f3e943cae62a3cf2718090e8c0", kill_on_drop: false }`
[INFO] [stdout] 577b97c7799e802ad82ebfbbf1beaf75b09223f3e943cae62a3cf2718090e8c0