[INFO] fetching crate bigml_derive 0.4.0...
[INFO] testing bigml_derive-0.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate bigml_derive 0.4.0 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate bigml_derive 0.4.0 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 bigml_derive 0.4.0
[INFO] finished tweaking crates.io crate bigml_derive 0.4.0
[INFO] tweaked toml for crates.io crate bigml_derive 0.4.0 written to /workspace/builds/worker-37/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 927013aa43512c11b72b70622578897eeece1f0230c6baff4cdcef79a4e5878f
[INFO] running `Command { std: "docker" "start" "-a" "927013aa43512c11b72b70622578897eeece1f0230c6baff4cdcef79a4e5878f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927013aa43512c11b72b70622578897eeece1f0230c6baff4cdcef79a4e5878f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927013aa43512c11b72b70622578897eeece1f0230c6baff4cdcef79a4e5878f", kill_on_drop: false }`
[INFO] [stdout] 927013aa43512c11b72b70622578897eeece1f0230c6baff4cdcef79a4e5878f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] cad07596ccbd4862e7e5c03ea17fa436e190f92a8502c5965cce902aee586851
[INFO] running `Command { std: "docker" "start" "-a" "cad07596ccbd4862e7e5c03ea17fa436e190f92a8502c5965cce902aee586851", kill_on_drop: false }`
[INFO] [stderr]    Compiling bigml_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flatten`
[INFO] [stdout]   --> src/updatable.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     flatten: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "cad07596ccbd4862e7e5c03ea17fa436e190f92a8502c5965cce902aee586851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad07596ccbd4862e7e5c03ea17fa436e190f92a8502c5965cce902aee586851", kill_on_drop: false }`
[INFO] [stdout] cad07596ccbd4862e7e5c03ea17fa436e190f92a8502c5965cce902aee586851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] b46c158347c78bd3cd923da7e0dbf699c0fa03119179ab7691ae9ad67f7b9985
[INFO] running `Command { std: "docker" "start" "-a" "b46c158347c78bd3cd923da7e0dbf699c0fa03119179ab7691ae9ad67f7b9985", kill_on_drop: false }`
[INFO] [stderr]    Compiling bigml_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flatten`
[INFO] [stdout]   --> src/updatable.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     flatten: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flatten`
[INFO] [stdout]   --> src/updatable.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     flatten: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "b46c158347c78bd3cd923da7e0dbf699c0fa03119179ab7691ae9ad67f7b9985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46c158347c78bd3cd923da7e0dbf699c0fa03119179ab7691ae9ad67f7b9985", kill_on_drop: false }`
[INFO] [stdout] b46c158347c78bd3cd923da7e0dbf699c0fa03119179ab7691ae9ad67f7b9985
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 23a86fdd071d63fddef061e1fad642936ec2c9e81be461c41a4f00e4c5ac0748
[INFO] running `Command { std: "docker" "start" "-a" "23a86fdd071d63fddef061e1fad642936ec2c9e81be461c41a4f00e4c5ac0748", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `flatten`
[INFO] [stderr]   --> src/updatable.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     flatten: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `bigml_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `bigml_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bigml_derive-ac5d5b08b4e8650b)
[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 bigml_derive
[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" "23a86fdd071d63fddef061e1fad642936ec2c9e81be461c41a4f00e4c5ac0748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a86fdd071d63fddef061e1fad642936ec2c9e81be461c41a4f00e4c5ac0748", kill_on_drop: false }`
[INFO] [stdout] 23a86fdd071d63fddef061e1fad642936ec2c9e81be461c41a4f00e4c5ac0748