[INFO] fetching crate decent-serde-json-alternative 0.5.0...
[INFO] testing decent-serde-json-alternative-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate decent-serde-json-alternative 0.5.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate decent-serde-json-alternative 0.5.0 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 decent-serde-json-alternative 0.5.0
[INFO] finished tweaking crates.io crate decent-serde-json-alternative 0.5.0
[INFO] tweaked toml for crates.io crate decent-serde-json-alternative 0.5.0 written to /workspace/builds/worker-7/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4dff903fed25707ff3b88f22580fb1822813374e3a652eeb444e55b0d6588002
[INFO] running `Command { std: "docker" "start" "-a" "4dff903fed25707ff3b88f22580fb1822813374e3a652eeb444e55b0d6588002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dff903fed25707ff3b88f22580fb1822813374e3a652eeb444e55b0d6588002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dff903fed25707ff3b88f22580fb1822813374e3a652eeb444e55b0d6588002", kill_on_drop: false }`
[INFO] [stdout] 4dff903fed25707ff3b88f22580fb1822813374e3a652eeb444e55b0d6588002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e95a73d2f6b12c086f961659eac44fb68ec42d10c86f9348e2166c641150cdb5
[INFO] running `Command { std: "docker" "start" "-a" "e95a73d2f6b12c086f961659eac44fb68ec42d10c86f9348e2166c641150cdb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling decent-synquote-alternative v0.4.0
[INFO] [stderr]    Compiling decent-serde-json-derive-alternative v0.5.0
[INFO] [stderr]    Compiling decent-serde-json-alternative v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "e95a73d2f6b12c086f961659eac44fb68ec42d10c86f9348e2166c641150cdb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e95a73d2f6b12c086f961659eac44fb68ec42d10c86f9348e2166c641150cdb5", kill_on_drop: false }`
[INFO] [stdout] e95a73d2f6b12c086f961659eac44fb68ec42d10c86f9348e2166c641150cdb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ff8b046df7c41e0ffa87314967853dfb0d0a2e5bc1ef5c00613e5af5a736c4cf
[INFO] running `Command { std: "docker" "start" "-a" "ff8b046df7c41e0ffa87314967853dfb0d0a2e5bc1ef5c00613e5af5a736c4cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling decent-serde-json-alternative v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ff8b046df7c41e0ffa87314967853dfb0d0a2e5bc1ef5c00613e5af5a736c4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8b046df7c41e0ffa87314967853dfb0d0a2e5bc1ef5c00613e5af5a736c4cf", kill_on_drop: false }`
[INFO] [stdout] ff8b046df7c41e0ffa87314967853dfb0d0a2e5bc1ef5c00613e5af5a736c4cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ba680a888bc451314407385c9470e1c454cda84bfb8175aaa584bf4de190de25
[INFO] running `Command { std: "docker" "start" "-a" "ba680a888bc451314407385c9470e1c454cda84bfb8175aaa584bf4de190de25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/decent_serde_json_alternative-8b72d0ded7ffc93e)
[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 decent-serde-json-alternative
[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" "ba680a888bc451314407385c9470e1c454cda84bfb8175aaa584bf4de190de25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba680a888bc451314407385c9470e1c454cda84bfb8175aaa584bf4de190de25", kill_on_drop: false }`
[INFO] [stdout] ba680a888bc451314407385c9470e1c454cda84bfb8175aaa584bf4de190de25