[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 master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MwanikiN/rust on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06181f530454d77f448eba83b4ec9f558f3eb57a9ca0efc53a168b7dc9c3e449
[INFO] running `Command { std: "docker" "start" "-a" "06181f530454d77f448eba83b4ec9f558f3eb57a9ca0efc53a168b7dc9c3e449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06181f530454d77f448eba83b4ec9f558f3eb57a9ca0efc53a168b7dc9c3e449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06181f530454d77f448eba83b4ec9f558f3eb57a9ca0efc53a168b7dc9c3e449", kill_on_drop: false }`
[INFO] [stdout] 06181f530454d77f448eba83b4ec9f558f3eb57a9ca0efc53a168b7dc9c3e449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 263be2a0e0732d7ceb022025caa6b2a81c01925010c382e47da1018a561bfaa3
[INFO] running `Command { std: "docker" "start" "-a" "263be2a0e0732d7ceb022025caa6b2a81c01925010c382e47da1018a561bfaa3", 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "263be2a0e0732d7ceb022025caa6b2a81c01925010c382e47da1018a561bfaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263be2a0e0732d7ceb022025caa6b2a81c01925010c382e47da1018a561bfaa3", kill_on_drop: false }`
[INFO] [stdout] 263be2a0e0732d7ceb022025caa6b2a81c01925010c382e47da1018a561bfaa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 633c39befb5fc34a4d88ce9672a0a7a9409146f77e93ff53f6ef621a9566cb19
[INFO] running `Command { std: "docker" "start" "-a" "633c39befb5fc34a4d88ce9672a0a7a9409146f77e93ff53f6ef621a9566cb19", 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "633c39befb5fc34a4d88ce9672a0a7a9409146f77e93ff53f6ef621a9566cb19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "633c39befb5fc34a4d88ce9672a0a7a9409146f77e93ff53f6ef621a9566cb19", kill_on_drop: false }`
[INFO] [stdout] 633c39befb5fc34a4d88ce9672a0a7a9409146f77e93ff53f6ef621a9566cb19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30715ee977c0cc00e077b4ed9eb66d62423f1e0a55baa1ad45dc75379dfb546f
[INFO] running `Command { std: "docker" "start" "-a" "30715ee977c0cc00e077b4ed9eb66d62423f1e0a55baa1ad45dc75379dfb546f", 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 0.06s
[INFO] [stderr]      Running unittests src/bin/a1.rs (/opt/rustwide/target/debug/deps/a1-d43ecf8ab3009f1b)
[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]      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] [stderr]      Running unittests src/bin/a3.rs (/opt/rustwide/target/debug/deps/a3-df1a87c9f0038fb9)
[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]      Running unittests src/bin/a4.rs (/opt/rustwide/target/debug/deps/a4-9c7dc97c702a171c)
[INFO] [stderr]      Running unittests src/bin/a5.rs (/opt/rustwide/target/debug/deps/a5-7dbe7ba2d00be31c)
[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] [stderr]      Running unittests src/bin/a6.rs (/opt/rustwide/target/debug/deps/a6-91c13143c4c7e79d)
[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]      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] running `Command { std: "docker" "inspect" "30715ee977c0cc00e077b4ed9eb66d62423f1e0a55baa1ad45dc75379dfb546f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30715ee977c0cc00e077b4ed9eb66d62423f1e0a55baa1ad45dc75379dfb546f", kill_on_drop: false }`
[INFO] [stdout] 30715ee977c0cc00e077b4ed9eb66d62423f1e0a55baa1ad45dc75379dfb546f