[INFO] fetching crate single_use_seals 0.5.5...
[INFO] testing single_use_seals-0.5.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate single_use_seals 0.5.5 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate single_use_seals 0.5.5 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 single_use_seals 0.5.5
[INFO] finished tweaking crates.io crate single_use_seals 0.5.5
[INFO] tweaked toml for crates.io crate single_use_seals 0.5.5 written to /workspace/builds/worker-88/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 4c8823bd5b04a8777827802446ccf6725d00a192ae80990d3a0c9bfdabe671a5
[INFO] running `Command { std: "docker" "start" "-a" "4c8823bd5b04a8777827802446ccf6725d00a192ae80990d3a0c9bfdabe671a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c8823bd5b04a8777827802446ccf6725d00a192ae80990d3a0c9bfdabe671a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8823bd5b04a8777827802446ccf6725d00a192ae80990d3a0c9bfdabe671a5", kill_on_drop: false }`
[INFO] [stdout] 4c8823bd5b04a8777827802446ccf6725d00a192ae80990d3a0c9bfdabe671a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 1b56493b212a8725cc84e272944d9e9809f32a5da534f5852aa65490cd3e05a8
[INFO] running `Command { std: "docker" "start" "-a" "1b56493b212a8725cc84e272944d9e9809f32a5da534f5852aa65490cd3e05a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling amplify_syn v1.1.6
[INFO] [stderr]    Compiling amplify_derive v2.9.0
[INFO] [stderr]    Compiling single_use_seals v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.51s
[INFO] running `Command { std: "docker" "inspect" "1b56493b212a8725cc84e272944d9e9809f32a5da534f5852aa65490cd3e05a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b56493b212a8725cc84e272944d9e9809f32a5da534f5852aa65490cd3e05a8", kill_on_drop: false }`
[INFO] [stdout] 1b56493b212a8725cc84e272944d9e9809f32a5da534f5852aa65490cd3e05a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 43a2f3ded1b22c0fab2140a3fe4943d4d91dc38fde01a087f8de0b2d28461b08
[INFO] running `Command { std: "docker" "start" "-a" "43a2f3ded1b22c0fab2140a3fe4943d4d91dc38fde01a087f8de0b2d28461b08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling single_use_seals v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "43a2f3ded1b22c0fab2140a3fe4943d4d91dc38fde01a087f8de0b2d28461b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a2f3ded1b22c0fab2140a3fe4943d4d91dc38fde01a087f8de0b2d28461b08", kill_on_drop: false }`
[INFO] [stdout] 43a2f3ded1b22c0fab2140a3fe4943d4d91dc38fde01a087f8de0b2d28461b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 346436c7b162fa0a9549ce45d45beb441e62d6ab943a66e09cd25da5ee21acd7
[INFO] running `Command { std: "docker" "start" "-a" "346436c7b162fa0a9549ce45d45beb441e62d6ab943a66e09cd25da5ee21acd7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_use_seals-cdb30107c9dfcc8b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single_use_seals
[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] [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" "346436c7b162fa0a9549ce45d45beb441e62d6ab943a66e09cd25da5ee21acd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346436c7b162fa0a9549ce45d45beb441e62d6ab943a66e09cd25da5ee21acd7", kill_on_drop: false }`
[INFO] [stdout] 346436c7b162fa0a9549ce45d45beb441e62d6ab943a66e09cd25da5ee21acd7