[INFO] fetching crate upside-down 0.1.0...
[INFO] testing upside-down-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate upside-down 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate upside-down 0.1.0
[INFO] finished tweaking crates.io crate upside-down 0.1.0
[INFO] tweaked toml for crates.io crate upside-down 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate upside-down 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7c6494fc956c01340fab0646359a9e04d826a8d0777b0a065a0b32f989ba9c3
[INFO] running `Command { std: "docker" "start" "-a" "c7c6494fc956c01340fab0646359a9e04d826a8d0777b0a065a0b32f989ba9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c6494fc956c01340fab0646359a9e04d826a8d0777b0a065a0b32f989ba9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c6494fc956c01340fab0646359a9e04d826a8d0777b0a065a0b32f989ba9c3", kill_on_drop: false }`
[INFO] [stdout] c7c6494fc956c01340fab0646359a9e04d826a8d0777b0a065a0b32f989ba9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e6076e3b5e8bd9d590eee5fe3efec9d97a774d4a5a8890a1d20e3ccf847f078
[INFO] running `Command { std: "docker" "start" "-a" "0e6076e3b5e8bd9d590eee5fe3efec9d97a774d4a5a8890a1d20e3ccf847f078", kill_on_drop: false }`
[INFO] [stderr]    Compiling upside-down v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0e6076e3b5e8bd9d590eee5fe3efec9d97a774d4a5a8890a1d20e3ccf847f078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6076e3b5e8bd9d590eee5fe3efec9d97a774d4a5a8890a1d20e3ccf847f078", kill_on_drop: false }`
[INFO] [stdout] 0e6076e3b5e8bd9d590eee5fe3efec9d97a774d4a5a8890a1d20e3ccf847f078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5153c603705b184a07b377757520898d61a9f2df8bbe6b6ffbe145852d6aa4cd
[INFO] running `Command { std: "docker" "start" "-a" "5153c603705b184a07b377757520898d61a9f2df8bbe6b6ffbe145852d6aa4cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling upside-down v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "5153c603705b184a07b377757520898d61a9f2df8bbe6b6ffbe145852d6aa4cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5153c603705b184a07b377757520898d61a9f2df8bbe6b6ffbe145852d6aa4cd", kill_on_drop: false }`
[INFO] [stdout] 5153c603705b184a07b377757520898d61a9f2df8bbe6b6ffbe145852d6aa4cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37238f474a4a532ff16419904b7b116fef15fb3a7473beeb14fd6ff9c00bee79
[INFO] running `Command { std: "docker" "start" "-a" "37238f474a4a532ff16419904b7b116fef15fb3a7473beeb14fd6ff9c00bee79", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/upside_down-ef8d6d20a817e539)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test upside_down::test::test_string_lowercase ... ok
[INFO] [stdout] test upside_down::test::test_string_uppercase ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "37238f474a4a532ff16419904b7b116fef15fb3a7473beeb14fd6ff9c00bee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37238f474a4a532ff16419904b7b116fef15fb3a7473beeb14fd6ff9c00bee79", kill_on_drop: false }`
[INFO] [stdout] 37238f474a4a532ff16419904b7b116fef15fb3a7473beeb14fd6ff9c00bee79