[INFO] fetching crate upside-down 0.1.0...
[INFO] testing upside-down-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate upside-down 0.1.0 into /workspace/builds/worker-3-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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate upside-down 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a0b45e9922bb11eda8d03ef35510f5535c2a0b9f91c5eeaca1e774e915df864
[INFO] running `Command { std: "docker" "start" "-a" "1a0b45e9922bb11eda8d03ef35510f5535c2a0b9f91c5eeaca1e774e915df864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0b45e9922bb11eda8d03ef35510f5535c2a0b9f91c5eeaca1e774e915df864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0b45e9922bb11eda8d03ef35510f5535c2a0b9f91c5eeaca1e774e915df864", kill_on_drop: false }`
[INFO] [stdout] 1a0b45e9922bb11eda8d03ef35510f5535c2a0b9f91c5eeaca1e774e915df864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f1521533889d015a45510722222cb91590f28b06df5f82f841fac05051f6e95
[INFO] running `Command { std: "docker" "start" "-a" "2f1521533889d015a45510722222cb91590f28b06df5f82f841fac05051f6e95", 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 0.26s
[INFO] running `Command { std: "docker" "inspect" "2f1521533889d015a45510722222cb91590f28b06df5f82f841fac05051f6e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1521533889d015a45510722222cb91590f28b06df5f82f841fac05051f6e95", kill_on_drop: false }`
[INFO] [stdout] 2f1521533889d015a45510722222cb91590f28b06df5f82f841fac05051f6e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f845fb956a98e396a94b2b18357911b6ae588f86ffe010587a42a977377f878
[INFO] running `Command { std: "docker" "start" "-a" "8f845fb956a98e396a94b2b18357911b6ae588f86ffe010587a42a977377f878", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "8f845fb956a98e396a94b2b18357911b6ae588f86ffe010587a42a977377f878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f845fb956a98e396a94b2b18357911b6ae588f86ffe010587a42a977377f878", kill_on_drop: false }`
[INFO] [stdout] 8f845fb956a98e396a94b2b18357911b6ae588f86ffe010587a42a977377f878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7ab2e874361d4816309d28b255867d8d16bd24bc2dfb50fd3b7d4d898d9415e
[INFO] running `Command { std: "docker" "start" "-a" "f7ab2e874361d4816309d28b255867d8d16bd24bc2dfb50fd3b7d4d898d9415e", 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-ae911892e899af92)
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7ab2e874361d4816309d28b255867d8d16bd24bc2dfb50fd3b7d4d898d9415e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ab2e874361d4816309d28b255867d8d16bd24bc2dfb50fd3b7d4d898d9415e", kill_on_drop: false }`
[INFO] [stdout] f7ab2e874361d4816309d28b255867d8d16bd24bc2dfb50fd3b7d4d898d9415e