[INFO] fetching crate memcell 0.1.1...
[INFO] testing memcell-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate memcell 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate memcell 0.1.1
[INFO] finished tweaking crates.io crate memcell 0.1.1
[INFO] tweaked toml for crates.io crate memcell 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memcell 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7b8d3dd66b94f8ac2aa9d637cecba0df5e432e4d20eb628193516126f2f611
[INFO] running `Command { std: "docker" "start" "-a" "8d7b8d3dd66b94f8ac2aa9d637cecba0df5e432e4d20eb628193516126f2f611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7b8d3dd66b94f8ac2aa9d637cecba0df5e432e4d20eb628193516126f2f611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7b8d3dd66b94f8ac2aa9d637cecba0df5e432e4d20eb628193516126f2f611", kill_on_drop: false }`
[INFO] [stdout] 8d7b8d3dd66b94f8ac2aa9d637cecba0df5e432e4d20eb628193516126f2f611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae0681d7098db289f730fb1a46e819159a68fb75ddae36300cef7578f9379b9e
[INFO] running `Command { std: "docker" "start" "-a" "ae0681d7098db289f730fb1a46e819159a68fb75ddae36300cef7578f9379b9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memcell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "ae0681d7098db289f730fb1a46e819159a68fb75ddae36300cef7578f9379b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae0681d7098db289f730fb1a46e819159a68fb75ddae36300cef7578f9379b9e", kill_on_drop: false }`
[INFO] [stdout] ae0681d7098db289f730fb1a46e819159a68fb75ddae36300cef7578f9379b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 455864cd124894a7c1b7b54d716508655045c5247e768747a19b87954f2c2d13
[INFO] running `Command { std: "docker" "start" "-a" "455864cd124894a7c1b7b54d716508655045c5247e768747a19b87954f2c2d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling memcell v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "455864cd124894a7c1b7b54d716508655045c5247e768747a19b87954f2c2d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455864cd124894a7c1b7b54d716508655045c5247e768747a19b87954f2c2d13", kill_on_drop: false }`
[INFO] [stdout] 455864cd124894a7c1b7b54d716508655045c5247e768747a19b87954f2c2d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 392c9cbd0f568f6849908eab4d81f4850cdc9d92b0b9cea008282f934392469c
[INFO] running `Command { std: "docker" "start" "-a" "392c9cbd0f568f6849908eab4d81f4850cdc9d92b0b9cea008282f934392469c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memcell-0e3b411531ed5336)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::update_cell ... 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 memcell
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::has_previous (line 118) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::take_both (line 100) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::last (line 149) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::update (line 55) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::current (line 135) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::take_last (line 86) ... ok
[INFO] [stdout] test src/lib.rs - MemoryCell<T>::take_current (line 72) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "392c9cbd0f568f6849908eab4d81f4850cdc9d92b0b9cea008282f934392469c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392c9cbd0f568f6849908eab4d81f4850cdc9d92b0b9cea008282f934392469c", kill_on_drop: false }`
[INFO] [stdout] 392c9cbd0f568f6849908eab4d81f4850cdc9d92b0b9cea008282f934392469c