[INFO] fetching crate jtable 0.2.0...
[INFO] testing jtable-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jtable 0.2.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate jtable 0.2.0 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 jtable 0.2.0
[INFO] finished tweaking crates.io crate jtable 0.2.0
[INFO] tweaked toml for crates.io crate jtable 0.2.0 written to /workspace/builds/worker-116/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-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] d2e036ff254a2e62594b34b9902b19c1e07bf1ad17615b19681a550c80a8aff7
[INFO] running `Command { std: "docker" "start" "-a" "d2e036ff254a2e62594b34b9902b19c1e07bf1ad17615b19681a550c80a8aff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e036ff254a2e62594b34b9902b19c1e07bf1ad17615b19681a550c80a8aff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e036ff254a2e62594b34b9902b19c1e07bf1ad17615b19681a550c80a8aff7", kill_on_drop: false }`
[INFO] [stdout] d2e036ff254a2e62594b34b9902b19c1e07bf1ad17615b19681a550c80a8aff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 839b2f587092329204b32563b450e05e8779570ca948c1d1328e10c93d5bb312
[INFO] running `Command { std: "docker" "start" "-a" "839b2f587092329204b32563b450e05e8779570ca948c1d1328e10c93d5bb312", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jtable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.67s
[INFO] running `Command { std: "docker" "inspect" "839b2f587092329204b32563b450e05e8779570ca948c1d1328e10c93d5bb312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "839b2f587092329204b32563b450e05e8779570ca948c1d1328e10c93d5bb312", kill_on_drop: false }`
[INFO] [stdout] 839b2f587092329204b32563b450e05e8779570ca948c1d1328e10c93d5bb312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 282de25a6f89af054c12d06727d18e4e9d3d6185bf04faf8b44d1e3d98d1f006
[INFO] running `Command { std: "docker" "start" "-a" "282de25a6f89af054c12d06727d18e4e9d3d6185bf04faf8b44d1e3d98d1f006", kill_on_drop: false }`
[INFO] [stderr]    Compiling jtable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "282de25a6f89af054c12d06727d18e4e9d3d6185bf04faf8b44d1e3d98d1f006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282de25a6f89af054c12d06727d18e4e9d3d6185bf04faf8b44d1e3d98d1f006", kill_on_drop: false }`
[INFO] [stdout] 282de25a6f89af054c12d06727d18e4e9d3d6185bf04faf8b44d1e3d98d1f006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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] 5d1c1cad74dfaac4b226b1383f33d4a3cf76fe060d110a8fbef8ccae14e2ab34
[INFO] running `Command { std: "docker" "start" "-a" "5d1c1cad74dfaac4b226b1383f33d4a3cf76fe060d110a8fbef8ccae14e2ab34", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jtable-027417c40a567928)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jtable
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::serialize_list ... 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] [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" "5d1c1cad74dfaac4b226b1383f33d4a3cf76fe060d110a8fbef8ccae14e2ab34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1c1cad74dfaac4b226b1383f33d4a3cf76fe060d110a8fbef8ccae14e2ab34", kill_on_drop: false }`
[INFO] [stdout] 5d1c1cad74dfaac4b226b1383f33d4a3cf76fe060d110a8fbef8ccae14e2ab34