[INFO] fetching crate ducc-serde 0.1.0...
[INFO] testing ducc-serde-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ducc-serde 0.1.0 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate ducc-serde 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ducc-serde 0.1.0
[INFO] finished tweaking crates.io crate ducc-serde 0.1.0
[INFO] tweaked toml for crates.io crate ducc-serde 0.1.0 written to /workspace/builds/worker-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ducc v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64b9c2d6d7c53775089b162fbe97061b2fea39910007b4938b8a942205a0e844
[INFO] running `Command { std: "docker" "start" "-a" "64b9c2d6d7c53775089b162fbe97061b2fea39910007b4938b8a942205a0e844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64b9c2d6d7c53775089b162fbe97061b2fea39910007b4938b8a942205a0e844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64b9c2d6d7c53775089b162fbe97061b2fea39910007b4938b8a942205a0e844", kill_on_drop: false }`
[INFO] [stdout] 64b9c2d6d7c53775089b162fbe97061b2fea39910007b4938b8a942205a0e844
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b49493e509f35fd2d6358ebd8816c42176c12662a3e656ae4031621d3ee1a51
[INFO] running `Command { std: "docker" "start" "-a" "7b49493e509f35fd2d6358ebd8816c42176c12662a3e656ae4031621d3ee1a51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling ducc-sys v0.1.2
[INFO] [stderr]    Compiling ducc v0.1.5
[INFO] [stderr]    Compiling ducc-serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.50s
[INFO] running `Command { std: "docker" "inspect" "7b49493e509f35fd2d6358ebd8816c42176c12662a3e656ae4031621d3ee1a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b49493e509f35fd2d6358ebd8816c42176c12662a3e656ae4031621d3ee1a51", kill_on_drop: false }`
[INFO] [stdout] 7b49493e509f35fd2d6358ebd8816c42176c12662a3e656ae4031621d3ee1a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b2536a402f9204b4e3274674a5cb4ed56674e6f5c99cabb55ce155ac9dd36ab
[INFO] running `Command { std: "docker" "start" "-a" "9b2536a402f9204b4e3274674a5cb4ed56674e6f5c99cabb55ce155ac9dd36ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling ducc-serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "9b2536a402f9204b4e3274674a5cb4ed56674e6f5c99cabb55ce155ac9dd36ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b2536a402f9204b4e3274674a5cb4ed56674e6f5c99cabb55ce155ac9dd36ab", kill_on_drop: false }`
[INFO] [stdout] 9b2536a402f9204b4e3274674a5cb4ed56674e6f5c99cabb55ce155ac9dd36ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 235670e87ec0322f664ceb6162569a45b428ef26cffbbc656bf929d4975cfbe2
[INFO] running `Command { std: "docker" "start" "-a" "235670e87ec0322f664ceb6162569a45b428ef26cffbbc656bf929d4975cfbe2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ducc_serde-563d08f22bae1e67)
[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 ducc-serde
[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" "235670e87ec0322f664ceb6162569a45b428ef26cffbbc656bf929d4975cfbe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235670e87ec0322f664ceb6162569a45b428ef26cffbbc656bf929d4975cfbe2", kill_on_drop: false }`
[INFO] [stdout] 235670e87ec0322f664ceb6162569a45b428ef26cffbbc656bf929d4975cfbe2