[INFO] fetching crate flexbox 0.0.1...
[INFO] testing flexbox-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate flexbox 0.0.1 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate flexbox 0.0.1 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 flexbox 0.0.1
[INFO] finished tweaking crates.io crate flexbox 0.0.1
[INFO] tweaked toml for crates.io crate flexbox 0.0.1 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate crates.io crate flexbox 0.0.1 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] fd75c748273c8381283a5d85cf49991d4e7e034f00b6e19351e3cfc66631d745
[INFO] running `Command { std: "docker" "start" "-a" "fd75c748273c8381283a5d85cf49991d4e7e034f00b6e19351e3cfc66631d745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd75c748273c8381283a5d85cf49991d4e7e034f00b6e19351e3cfc66631d745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd75c748273c8381283a5d85cf49991d4e7e034f00b6e19351e3cfc66631d745", kill_on_drop: false }`
[INFO] [stdout] fd75c748273c8381283a5d85cf49991d4e7e034f00b6e19351e3cfc66631d745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] d62568bf102bf6eb97c9d7d90e072a50eaf5bcac28fd9f33f08eb1559d151ab2
[INFO] running `Command { std: "docker" "start" "-a" "d62568bf102bf6eb97c9d7d90e072a50eaf5bcac28fd9f33f08eb1559d151ab2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flexbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `vertical`
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vertical: 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: `vertical`
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vertical: 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 3.07s
[INFO] running `Command { std: "docker" "inspect" "d62568bf102bf6eb97c9d7d90e072a50eaf5bcac28fd9f33f08eb1559d151ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62568bf102bf6eb97c9d7d90e072a50eaf5bcac28fd9f33f08eb1559d151ab2", kill_on_drop: false }`
[INFO] [stdout] d62568bf102bf6eb97c9d7d90e072a50eaf5bcac28fd9f33f08eb1559d151ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] b432fed0b389db3032e83512d49027678d5231f0d00515dbbe4efab54036f399
[INFO] running `Command { std: "docker" "start" "-a" "b432fed0b389db3032e83512d49027678d5231f0d00515dbbe4efab54036f399", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: field is never read: `vertical`
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling flexbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vertical`
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vertical`
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     vertical: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "b432fed0b389db3032e83512d49027678d5231f0d00515dbbe4efab54036f399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b432fed0b389db3032e83512d49027678d5231f0d00515dbbe4efab54036f399", kill_on_drop: false }`
[INFO] [stdout] b432fed0b389db3032e83512d49027678d5231f0d00515dbbe4efab54036f399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] a836910b26784ae6a9cf5279b565361b712109dd9ce112e7857993000054d000
[INFO] running `Command { std: "docker" "start" "-a" "a836910b26784ae6a9cf5279b565361b712109dd9ce112e7857993000054d000", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `vertical`
[INFO] [stderr]  --> src/flexbox.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     vertical: bool,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `flexbox` (lib) generated 1 warning
[INFO] [stderr] warning: `flexbox` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: `flexbox` (bin "flexbox" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flexbox-b172b9cfbec63f60)
[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]      Running unittests (/opt/rustwide/target/debug/deps/flexbox-9348bf0ab219d8cc)
[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 flexbox
[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" "a836910b26784ae6a9cf5279b565361b712109dd9ce112e7857993000054d000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a836910b26784ae6a9cf5279b565361b712109dd9ce112e7857993000054d000", kill_on_drop: false }`
[INFO] [stdout] a836910b26784ae6a9cf5279b565361b712109dd9ce112e7857993000054d000