[INFO] fetching crate ionize 0.3.6...
[INFO] testing ionize-0.3.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ionize 0.3.6 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate ionize 0.3.6 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 ionize 0.3.6
[INFO] finished tweaking crates.io crate ionize 0.3.6
[INFO] tweaked toml for crates.io crate ionize 0.3.6 written to /workspace/builds/worker-52/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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 16204e7435dabc957c96dd247fa006d43c0ad7d7a3eaae61a3fc48fbbcfc65b7
[INFO] running `Command { std: "docker" "start" "-a" "16204e7435dabc957c96dd247fa006d43c0ad7d7a3eaae61a3fc48fbbcfc65b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16204e7435dabc957c96dd247fa006d43c0ad7d7a3eaae61a3fc48fbbcfc65b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16204e7435dabc957c96dd247fa006d43c0ad7d7a3eaae61a3fc48fbbcfc65b7", kill_on_drop: false }`
[INFO] [stdout] 16204e7435dabc957c96dd247fa006d43c0ad7d7a3eaae61a3fc48fbbcfc65b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 55e70999d3e1d90f119e9cd49439b700cf857a2e4b6647ec74dd2b2ca1974031
[INFO] running `Command { std: "docker" "start" "-a" "55e70999d3e1d90f119e9cd49439b700cf857a2e4b6647ec74dd2b2ca1974031", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ionize v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "55e70999d3e1d90f119e9cd49439b700cf857a2e4b6647ec74dd2b2ca1974031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e70999d3e1d90f119e9cd49439b700cf857a2e4b6647ec74dd2b2ca1974031", kill_on_drop: false }`
[INFO] [stdout] 55e70999d3e1d90f119e9cd49439b700cf857a2e4b6647ec74dd2b2ca1974031
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 4985324214c034e0fc6ac59842c18a1d3c75975d30018a76f91e7de59a845afb
[INFO] running `Command { std: "docker" "start" "-a" "4985324214c034e0fc6ac59842c18a1d3c75975d30018a76f91e7de59a845afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ionize v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "4985324214c034e0fc6ac59842c18a1d3c75975d30018a76f91e7de59a845afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4985324214c034e0fc6ac59842c18a1d3c75975d30018a76f91e7de59a845afb", kill_on_drop: false }`
[INFO] [stdout] 4985324214c034e0fc6ac59842c18a1d3c75975d30018a76f91e7de59a845afb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] a02cb3cf0bc8c9bccc03ce712653bbf2734dd9aa73eebab7b8bfdb1dfc5b2d1c
[INFO] running `Command { std: "docker" "start" "-a" "a02cb3cf0bc8c9bccc03ce712653bbf2734dd9aa73eebab7b8bfdb1dfc5b2d1c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ionize-d50f223e42e9c902)
[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" "a02cb3cf0bc8c9bccc03ce712653bbf2734dd9aa73eebab7b8bfdb1dfc5b2d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02cb3cf0bc8c9bccc03ce712653bbf2734dd9aa73eebab7b8bfdb1dfc5b2d1c", kill_on_drop: false }`
[INFO] [stdout] a02cb3cf0bc8c9bccc03ce712653bbf2734dd9aa73eebab7b8bfdb1dfc5b2d1c