[INFO] fetching crate rc-cell 0.1.0...
[INFO] testing rc-cell-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rc-cell 0.1.0 into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate rc-cell 0.1.0 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 rc-cell 0.1.0
[INFO] finished tweaking crates.io crate rc-cell 0.1.0
[INFO] tweaked toml for crates.io crate rc-cell 0.1.0 written to /workspace/builds/worker-104/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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] fa822cb121a8e6865c4ae652ab275c15f00a413f386333c76fbb42004d2073f4
[INFO] running `Command { std: "docker" "start" "-a" "fa822cb121a8e6865c4ae652ab275c15f00a413f386333c76fbb42004d2073f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa822cb121a8e6865c4ae652ab275c15f00a413f386333c76fbb42004d2073f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa822cb121a8e6865c4ae652ab275c15f00a413f386333c76fbb42004d2073f4", kill_on_drop: false }`
[INFO] [stdout] fa822cb121a8e6865c4ae652ab275c15f00a413f386333c76fbb42004d2073f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] c1979d4cdd0051db37f4b9717a3678a3dda888bcf01aa1fd634d90c04067e07d
[INFO] running `Command { std: "docker" "start" "-a" "c1979d4cdd0051db37f4b9717a3678a3dda888bcf01aa1fd634d90c04067e07d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "c1979d4cdd0051db37f4b9717a3678a3dda888bcf01aa1fd634d90c04067e07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1979d4cdd0051db37f4b9717a3678a3dda888bcf01aa1fd634d90c04067e07d", kill_on_drop: false }`
[INFO] [stdout] c1979d4cdd0051db37f4b9717a3678a3dda888bcf01aa1fd634d90c04067e07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 87fea0d9dd09388b2bbecc19685a47e771714ee4236c79ece8c11252a929bbae
[INFO] running `Command { std: "docker" "start" "-a" "87fea0d9dd09388b2bbecc19685a47e771714ee4236c79ece8c11252a929bbae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rc-cell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "87fea0d9dd09388b2bbecc19685a47e771714ee4236c79ece8c11252a929bbae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87fea0d9dd09388b2bbecc19685a47e771714ee4236c79ece8c11252a929bbae", kill_on_drop: false }`
[INFO] [stdout] 87fea0d9dd09388b2bbecc19685a47e771714ee4236c79ece8c11252a929bbae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] f3041dffd0efa3fff359118225d2f1561d30ee1d2d43b8904210d3408074e9cf
[INFO] running `Command { std: "docker" "start" "-a" "f3041dffd0efa3fff359118225d2f1561d30ee1d2d43b8904210d3408074e9cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rc_cell-cf82178f427945a3)
[INFO] [stderr]    Doc-tests rc-cell
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::basic_test ... 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] [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" "f3041dffd0efa3fff359118225d2f1561d30ee1d2d43b8904210d3408074e9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3041dffd0efa3fff359118225d2f1561d30ee1d2d43b8904210d3408074e9cf", kill_on_drop: false }`
[INFO] [stdout] f3041dffd0efa3fff359118225d2f1561d30ee1d2d43b8904210d3408074e9cf