[INFO] fetching crate json-ext 0.3.0...
[INFO] testing json-ext-0.3.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate json-ext 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate json-ext 0.3.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-ext 0.3.0
[INFO] finished tweaking crates.io crate json-ext 0.3.0
[INFO] tweaked toml for crates.io crate json-ext 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bb39bd53bca7b4419de9e3f9e2ad99e80f21a95ffe29314a89b780e10850773
[INFO] running `Command { std: "docker" "start" "-a" "8bb39bd53bca7b4419de9e3f9e2ad99e80f21a95ffe29314a89b780e10850773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bb39bd53bca7b4419de9e3f9e2ad99e80f21a95ffe29314a89b780e10850773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb39bd53bca7b4419de9e3f9e2ad99e80f21a95ffe29314a89b780e10850773", kill_on_drop: false }`
[INFO] [stdout] 8bb39bd53bca7b4419de9e3f9e2ad99e80f21a95ffe29314a89b780e10850773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 016bb869232f20486d018c75cf1f7f67a42cd58a43885cc6cabcdaf0e1259ce8
[INFO] running `Command { std: "docker" "start" "-a" "016bb869232f20486d018c75cf1f7f67a42cd58a43885cc6cabcdaf0e1259ce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "016bb869232f20486d018c75cf1f7f67a42cd58a43885cc6cabcdaf0e1259ce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "016bb869232f20486d018c75cf1f7f67a42cd58a43885cc6cabcdaf0e1259ce8", kill_on_drop: false }`
[INFO] [stdout] 016bb869232f20486d018c75cf1f7f67a42cd58a43885cc6cabcdaf0e1259ce8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 058de3e1cfb3ee3acb8f8b4806125c1fe43b4a68b080c4eb065a54f336ab816d
[INFO] running `Command { std: "docker" "start" "-a" "058de3e1cfb3ee3acb8f8b4806125c1fe43b4a68b080c4eb065a54f336ab816d", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-ext v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "058de3e1cfb3ee3acb8f8b4806125c1fe43b4a68b080c4eb065a54f336ab816d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058de3e1cfb3ee3acb8f8b4806125c1fe43b4a68b080c4eb065a54f336ab816d", kill_on_drop: false }`
[INFO] [stdout] 058de3e1cfb3ee3acb8f8b4806125c1fe43b4a68b080c4eb065a54f336ab816d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6479fc820749eec8494eba36e7847d64b362ac7e460fd53f77aaf68d930b04e
[INFO] running `Command { std: "docker" "start" "-a" "d6479fc820749eec8494eba36e7847d64b362ac7e460fd53f77aaf68d930b04e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/json_ext-bcd8443d214cf788)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test object::test::json ... ok
[INFO] [stdout] test object::test::try_from_and_try_into ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json-ext
[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" "d6479fc820749eec8494eba36e7847d64b362ac7e460fd53f77aaf68d930b04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6479fc820749eec8494eba36e7847d64b362ac7e460fd53f77aaf68d930b04e", kill_on_drop: false }`
[INFO] [stdout] d6479fc820749eec8494eba36e7847d64b362ac7e460fd53f77aaf68d930b04e