[INFO] fetching crate loser_case 0.2.1...
[INFO] testing loser_case-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate loser_case 0.2.1 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate loser_case 0.2.1 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 loser_case 0.2.1
[INFO] finished tweaking crates.io crate loser_case 0.2.1
[INFO] tweaked toml for crates.io crate loser_case 0.2.1 written to /workspace/builds/worker-82/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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 66bf33224ddbcd7f4d44a51d61f7207993992f3c9e2d70db744bf85728d08711
[INFO] running `Command { std: "docker" "start" "-a" "66bf33224ddbcd7f4d44a51d61f7207993992f3c9e2d70db744bf85728d08711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66bf33224ddbcd7f4d44a51d61f7207993992f3c9e2d70db744bf85728d08711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66bf33224ddbcd7f4d44a51d61f7207993992f3c9e2d70db744bf85728d08711", kill_on_drop: false }`
[INFO] [stdout] 66bf33224ddbcd7f4d44a51d61f7207993992f3c9e2d70db744bf85728d08711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 4d4853f1928b3b0d3af0b713ef65b39581a123d08403b6f2301cb55f580dd6f2
[INFO] running `Command { std: "docker" "start" "-a" "4d4853f1928b3b0d3af0b713ef65b39581a123d08403b6f2301cb55f580dd6f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling loser_case v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "4d4853f1928b3b0d3af0b713ef65b39581a123d08403b6f2301cb55f580dd6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4853f1928b3b0d3af0b713ef65b39581a123d08403b6f2301cb55f580dd6f2", kill_on_drop: false }`
[INFO] [stdout] 4d4853f1928b3b0d3af0b713ef65b39581a123d08403b6f2301cb55f580dd6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] d1c88aa1d1f0ee2d3a5c0a784c53d863b285e678279c3a9281e913e526e8b92a
[INFO] running `Command { std: "docker" "start" "-a" "d1c88aa1d1f0ee2d3a5c0a784c53d863b285e678279c3a9281e913e526e8b92a", kill_on_drop: false }`
[INFO] [stderr]    Compiling loser_case v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "d1c88aa1d1f0ee2d3a5c0a784c53d863b285e678279c3a9281e913e526e8b92a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c88aa1d1f0ee2d3a5c0a784c53d863b285e678279c3a9281e913e526e8b92a", kill_on_drop: false }`
[INFO] [stdout] d1c88aa1d1f0ee2d3a5c0a784c53d863b285e678279c3a9281e913e526e8b92a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 85e0803faa67169706fe2cad5968363ab369fd724bfbef729c303a25ef3709ff
[INFO] running `Command { std: "docker" "start" "-a" "85e0803faa67169706fe2cad5968363ab369fd724bfbef729c303a25ef3709ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/loser_case-98f13005225400fe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests loser_case
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - to_loser (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "85e0803faa67169706fe2cad5968363ab369fd724bfbef729c303a25ef3709ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e0803faa67169706fe2cad5968363ab369fd724bfbef729c303a25ef3709ff", kill_on_drop: false }`
[INFO] [stdout] 85e0803faa67169706fe2cad5968363ab369fd724bfbef729c303a25ef3709ff