[INFO] fetching crate jsmx 0.3.4...
[INFO] testing jsmx-0.3.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jsmx 0.3.4 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate jsmx 0.3.4 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 jsmx 0.3.4
[INFO] finished tweaking crates.io crate jsmx 0.3.4
[INFO] tweaked toml for crates.io crate jsmx 0.3.4 written to /workspace/builds/worker-15/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 3c2a0ddce9272d15dffd311d236e4521d831496a493ec3f68fd6f0d48244b62c
[INFO] running `Command { std: "docker" "start" "-a" "3c2a0ddce9272d15dffd311d236e4521d831496a493ec3f68fd6f0d48244b62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2a0ddce9272d15dffd311d236e4521d831496a493ec3f68fd6f0d48244b62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2a0ddce9272d15dffd311d236e4521d831496a493ec3f68fd6f0d48244b62c", kill_on_drop: false }`
[INFO] [stdout] 3c2a0ddce9272d15dffd311d236e4521d831496a493ec3f68fd6f0d48244b62c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 9811f813f556a8e44eb5bddb610ef64e8539edda7e8845ea577d79f6634e9eee
[INFO] running `Command { std: "docker" "start" "-a" "9811f813f556a8e44eb5bddb610ef64e8539edda7e8845ea577d79f6634e9eee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling jsmx v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.57s
[INFO] running `Command { std: "docker" "inspect" "9811f813f556a8e44eb5bddb610ef64e8539edda7e8845ea577d79f6634e9eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9811f813f556a8e44eb5bddb610ef64e8539edda7e8845ea577d79f6634e9eee", kill_on_drop: false }`
[INFO] [stdout] 9811f813f556a8e44eb5bddb610ef64e8539edda7e8845ea577d79f6634e9eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6182ee2f823e59b51c0cb4d2d55b64077cc314363190b548f5ecedac0a48b02f
[INFO] running `Command { std: "docker" "start" "-a" "6182ee2f823e59b51c0cb4d2d55b64077cc314363190b548f5ecedac0a48b02f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jsmx v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "6182ee2f823e59b51c0cb4d2d55b64077cc314363190b548f5ecedac0a48b02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6182ee2f823e59b51c0cb4d2d55b64077cc314363190b548f5ecedac0a48b02f", kill_on_drop: false }`
[INFO] [stdout] 6182ee2f823e59b51c0cb4d2d55b64077cc314363190b548f5ecedac0a48b02f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 97220f281a5813841f379ab17a08e77794a610a3b5df43a11b7bad0669a78447
[INFO] running `Command { std: "docker" "start" "-a" "97220f281a5813841f379ab17a08e77794a610a3b5df43a11b7bad0669a78447", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsmx-d5f2b007e875467f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsmx
[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" "97220f281a5813841f379ab17a08e77794a610a3b5df43a11b7bad0669a78447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97220f281a5813841f379ab17a08e77794a610a3b5df43a11b7bad0669a78447", kill_on_drop: false }`
[INFO] [stdout] 97220f281a5813841f379ab17a08e77794a610a3b5df43a11b7bad0669a78447