[INFO] fetching crate fix_me 0.1.2...
[INFO] testing fix_me-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate fix_me 0.1.2 into /workspace/builds/worker-44/source
[INFO] validating manifest of crates.io crate fix_me 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fix_me 0.1.2
[INFO] finished tweaking crates.io crate fix_me 0.1.2
[INFO] tweaked toml for crates.io crate fix_me 0.1.2 written to /workspace/builds/worker-44/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ea0a64926dd2716294b25461b649cbfe2ea7eac43ce99a0426ad36cef62308a
[INFO] running `Command { std: "docker" "start" "-a" "9ea0a64926dd2716294b25461b649cbfe2ea7eac43ce99a0426ad36cef62308a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ea0a64926dd2716294b25461b649cbfe2ea7eac43ce99a0426ad36cef62308a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ea0a64926dd2716294b25461b649cbfe2ea7eac43ce99a0426ad36cef62308a", kill_on_drop: false }`
[INFO] [stdout] 9ea0a64926dd2716294b25461b649cbfe2ea7eac43ce99a0426ad36cef62308a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d3474e8f4554c9bae6cab98944d3c58260885f184ee59a2a9d6e3ea0611df70
[INFO] running `Command { std: "docker" "start" "-a" "6d3474e8f4554c9bae6cab98944d3c58260885f184ee59a2a9d6e3ea0611df70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fix_me v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "6d3474e8f4554c9bae6cab98944d3c58260885f184ee59a2a9d6e3ea0611df70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3474e8f4554c9bae6cab98944d3c58260885f184ee59a2a9d6e3ea0611df70", kill_on_drop: false }`
[INFO] [stdout] 6d3474e8f4554c9bae6cab98944d3c58260885f184ee59a2a9d6e3ea0611df70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab350a83cbe89b3d015415b74f1f1c43e18fe90d5e45263ebe6580a91098210
[INFO] running `Command { std: "docker" "start" "-a" "6ab350a83cbe89b3d015415b74f1f1c43e18fe90d5e45263ebe6580a91098210", kill_on_drop: false }`
[INFO] [stderr]    Compiling fix_me v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> tests/integration_test.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let test_string = String::from("test");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> tests/integration_test.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let val = to_fix();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "6ab350a83cbe89b3d015415b74f1f1c43e18fe90d5e45263ebe6580a91098210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab350a83cbe89b3d015415b74f1f1c43e18fe90d5e45263ebe6580a91098210", kill_on_drop: false }`
[INFO] [stdout] 6ab350a83cbe89b3d015415b74f1f1c43e18fe90d5e45263ebe6580a91098210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22494cd005f2efd156bd5581f8cdacdedbc9b23489a51a53864720f182665548
[INFO] running `Command { std: "docker" "start" "-a" "22494cd005f2efd156bd5581f8cdacdedbc9b23489a51a53864720f182665548", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `test_string`
[INFO] [stderr]   --> tests/integration_test.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let test_string = String::from("test");
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> tests/integration_test.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let val = to_fix();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: `fix_me` (test "integration_test") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fix_me-9a17020568c3e836)
[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 tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-64396a5b2ca53779)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test scope_test ... ok
[INFO] [stdout] test scope_test_2 ... ok
[INFO] [stdout] test macro_test ... ok
[INFO] [stdout] test test::test_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fix_me
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22494cd005f2efd156bd5581f8cdacdedbc9b23489a51a53864720f182665548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22494cd005f2efd156bd5581f8cdacdedbc9b23489a51a53864720f182665548", kill_on_drop: false }`
[INFO] [stdout] 22494cd005f2efd156bd5581f8cdacdedbc9b23489a51a53864720f182665548