[INFO] fetching crate dimsum 0.1.0...
[INFO] testing dimsum-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dimsum 0.1.0 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate dimsum 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 dimsum 0.1.0
[INFO] finished tweaking crates.io crate dimsum 0.1.0
[INFO] tweaked toml for crates.io crate dimsum 0.1.0 written to /workspace/builds/worker-83/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 5043d9afb20c03b922850322de5b626eca702a57808272d9c9bc739c24290012
[INFO] running `Command { std: "docker" "start" "-a" "5043d9afb20c03b922850322de5b626eca702a57808272d9c9bc739c24290012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5043d9afb20c03b922850322de5b626eca702a57808272d9c9bc739c24290012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5043d9afb20c03b922850322de5b626eca702a57808272d9c9bc739c24290012", kill_on_drop: false }`
[INFO] [stdout] 5043d9afb20c03b922850322de5b626eca702a57808272d9c9bc739c24290012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 3d1c333e58f0215cf2f2070167d3379ace17241ede1ee2bfabbf8b348aa77a60
[INFO] running `Command { std: "docker" "start" "-a" "3d1c333e58f0215cf2f2070167d3379ace17241ede1ee2bfabbf8b348aa77a60", kill_on_drop: false }`
[INFO] [stderr]    Compiling dimsum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "3d1c333e58f0215cf2f2070167d3379ace17241ede1ee2bfabbf8b348aa77a60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1c333e58f0215cf2f2070167d3379ace17241ede1ee2bfabbf8b348aa77a60", kill_on_drop: false }`
[INFO] [stdout] 3d1c333e58f0215cf2f2070167d3379ace17241ede1ee2bfabbf8b348aa77a60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] ab0b26cc67e48c0a4361336a964b17289b590ce7020cbb0744fbf0498ce5bfd0
[INFO] running `Command { std: "docker" "start" "-a" "ab0b26cc67e48c0a4361336a964b17289b590ce7020cbb0744fbf0498ce5bfd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dimsum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "ab0b26cc67e48c0a4361336a964b17289b590ce7020cbb0744fbf0498ce5bfd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0b26cc67e48c0a4361336a964b17289b590ce7020cbb0744fbf0498ce5bfd0", kill_on_drop: false }`
[INFO] [stdout] ab0b26cc67e48c0a4361336a964b17289b590ce7020cbb0744fbf0498ce5bfd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 37e049ed23f00b1672fcf31483bc6523f2a0af4590132c523a06bd40cf9bf15d
[INFO] running `Command { std: "docker" "start" "-a" "37e049ed23f00b1672fcf31483bc6523f2a0af4590132c523a06bd40cf9bf15d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dimsum-fe9f0d79188a3fd9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::index_errors ... ok
[INFO] [stdout] test tests::string_value ... ok
[INFO] [stdout] test tests::set_and_get ... ok
[INFO] [stdout] test tests::construct_failure - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dimsum
[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" "37e049ed23f00b1672fcf31483bc6523f2a0af4590132c523a06bd40cf9bf15d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e049ed23f00b1672fcf31483bc6523f2a0af4590132c523a06bd40cf9bf15d", kill_on_drop: false }`
[INFO] [stdout] 37e049ed23f00b1672fcf31483bc6523f2a0af4590132c523a06bd40cf9bf15d