[INFO] fetching crate memzero 0.1.0...
[INFO] testing memzero-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate memzero 0.1.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate memzero 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memzero 0.1.0
[INFO] finished tweaking crates.io crate memzero 0.1.0
[INFO] tweaked toml for crates.io crate memzero 0.1.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fcb5e8ac06dae08dc3bfeb7a5e24d145e18b1fd8a2e6ba3ece5f4ba38c4b1ed
[INFO] running `Command { std: "docker" "start" "-a" "9fcb5e8ac06dae08dc3bfeb7a5e24d145e18b1fd8a2e6ba3ece5f4ba38c4b1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fcb5e8ac06dae08dc3bfeb7a5e24d145e18b1fd8a2e6ba3ece5f4ba38c4b1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcb5e8ac06dae08dc3bfeb7a5e24d145e18b1fd8a2e6ba3ece5f4ba38c4b1ed", kill_on_drop: false }`
[INFO] [stdout] 9fcb5e8ac06dae08dc3bfeb7a5e24d145e18b1fd8a2e6ba3ece5f4ba38c4b1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac270b2173e0af65febf39a0e33187e6a2139098b042e4de97a99452e7f6cfc
[INFO] running `Command { std: "docker" "start" "-a" "8ac270b2173e0af65febf39a0e33187e6a2139098b042e4de97a99452e7f6cfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling memzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "8ac270b2173e0af65febf39a0e33187e6a2139098b042e4de97a99452e7f6cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac270b2173e0af65febf39a0e33187e6a2139098b042e4de97a99452e7f6cfc", kill_on_drop: false }`
[INFO] [stdout] 8ac270b2173e0af65febf39a0e33187e6a2139098b042e4de97a99452e7f6cfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30bb48438d0b45f2fa9a3b902cc8a37e8e96daf155f049158b3114c6bb939ed8
[INFO] running `Command { std: "docker" "start" "-a" "30bb48438d0b45f2fa9a3b902cc8a37e8e96daf155f049158b3114c6bb939ed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memzero v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "30bb48438d0b45f2fa9a3b902cc8a37e8e96daf155f049158b3114c6bb939ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30bb48438d0b45f2fa9a3b902cc8a37e8e96daf155f049158b3114c6bb939ed8", kill_on_drop: false }`
[INFO] [stdout] 30bb48438d0b45f2fa9a3b902cc8a37e8e96daf155f049158b3114c6bb939ed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 24c987c62613830549dfebe565eaf540b852fbf250a489eeec527d6dc7540dcd
[INFO] running `Command { std: "docker" "start" "-a" "24c987c62613830549dfebe565eaf540b852fbf250a489eeec527d6dc7540dcd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memzero-382b4ece8fef5bfb)
[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] [stderr]    Doc-tests memzero
[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" "24c987c62613830549dfebe565eaf540b852fbf250a489eeec527d6dc7540dcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c987c62613830549dfebe565eaf540b852fbf250a489eeec527d6dc7540dcd", kill_on_drop: false }`
[INFO] [stdout] 24c987c62613830549dfebe565eaf540b852fbf250a489eeec527d6dc7540dcd