[INFO] fetching crate bigml_derive 0.4.0...
[INFO] testing bigml_derive-0.4.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bigml_derive 0.4.0 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate bigml_derive 0.4.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-90/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3af84a442eafd645487cced6e818e7c44e2585f0531e90b905fe9ede276d7953
[INFO] running `Command { std: "docker" "start" "-a" "3af84a442eafd645487cced6e818e7c44e2585f0531e90b905fe9ede276d7953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3af84a442eafd645487cced6e818e7c44e2585f0531e90b905fe9ede276d7953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af84a442eafd645487cced6e818e7c44e2585f0531e90b905fe9ede276d7953", kill_on_drop: false }`
[INFO] [stdout] 3af84a442eafd645487cced6e818e7c44e2585f0531e90b905fe9ede276d7953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4c4bb5db9a036350fca80a2a6081eef79ca7bccfa8153a15551a6d9eb4d6378
[INFO] running `Command { std: "docker" "start" "-a" "f4c4bb5db9a036350fca80a2a6081eef79ca7bccfa8153a15551a6d9eb4d6378", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.81
[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 20.74s
[INFO] running `Command { std: "docker" "inspect" "f4c4bb5db9a036350fca80a2a6081eef79ca7bccfa8153a15551a6d9eb4d6378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c4bb5db9a036350fca80a2a6081eef79ca7bccfa8153a15551a6d9eb4d6378", kill_on_drop: false }`
[INFO] [stdout] f4c4bb5db9a036350fca80a2a6081eef79ca7bccfa8153a15551a6d9eb4d6378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a7f0d60603331260a07a97e718cf0c6feb42e54ec3101171061988ba5f5f299
[INFO] running `Command { std: "docker" "start" "-a" "4a7f0d60603331260a07a97e718cf0c6feb42e54ec3101171061988ba5f5f299", 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "4a7f0d60603331260a07a97e718cf0c6feb42e54ec3101171061988ba5f5f299", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7f0d60603331260a07a97e718cf0c6feb42e54ec3101171061988ba5f5f299", kill_on_drop: false }`
[INFO] [stdout] 4a7f0d60603331260a07a97e718cf0c6feb42e54ec3101171061988ba5f5f299
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3282b21968fe5b9fd2c7c35870904016368b4519d9017d940e13cde5f65ebd74
[INFO] running `Command { std: "docker" "start" "-a" "3282b21968fe5b9fd2c7c35870904016368b4519d9017d940e13cde5f65ebd74", 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 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bigml_derive-21ba8b8316785080)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bigml_derive
[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] [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" "3282b21968fe5b9fd2c7c35870904016368b4519d9017d940e13cde5f65ebd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3282b21968fe5b9fd2c7c35870904016368b4519d9017d940e13cde5f65ebd74", kill_on_drop: false }`
[INFO] [stdout] 3282b21968fe5b9fd2c7c35870904016368b4519d9017d940e13cde5f65ebd74