[INFO] fetching crate flexbox 0.0.1...
[INFO] testing flexbox-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate flexbox 0.0.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate flexbox 0.0.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-91/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" "+beta-2022-04-10" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e9d2a0cc96d3a502557c74815dae1acd82fc0ce493538a80ccb1d5af7b804a3
[INFO] running `Command { std: "docker" "start" "-a" "5e9d2a0cc96d3a502557c74815dae1acd82fc0ce493538a80ccb1d5af7b804a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e9d2a0cc96d3a502557c74815dae1acd82fc0ce493538a80ccb1d5af7b804a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e9d2a0cc96d3a502557c74815dae1acd82fc0ce493538a80ccb1d5af7b804a3", kill_on_drop: false }`
[INFO] [stdout] 5e9d2a0cc96d3a502557c74815dae1acd82fc0ce493538a80ccb1d5af7b804a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 830e96f924714003f0e2b9c553683e2e772a4c4d7c00de71ec7cef92e4a5fe82
[INFO] running `Command { std: "docker" "start" "-a" "830e96f924714003f0e2b9c553683e2e772a4c4d7c00de71ec7cef92e4a5fe82", kill_on_drop: false }`
[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] note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/flexbox.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/flexbox.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "830e96f924714003f0e2b9c553683e2e772a4c4d7c00de71ec7cef92e4a5fe82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830e96f924714003f0e2b9c553683e2e772a4c4d7c00de71ec7cef92e4a5fe82", kill_on_drop: false }`
[INFO] [stdout] 830e96f924714003f0e2b9c553683e2e772a4c4d7c00de71ec7cef92e4a5fe82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbe8a178ae81db1d3dad93b6f4b1dff114733e311bfa3e32b58a6190eebd6de7
[INFO] running `Command { std: "docker" "start" "-a" "bbe8a178ae81db1d3dad93b6f4b1dff114733e311bfa3e32b58a6190eebd6de7", 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] note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/flexbox.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/flexbox.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/flexbox.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Clone, Debug)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 1.36s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexbox-9be688a552db30be)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/flexbox-623e85749c276b92)
[INFO] running `Command { std: "docker" "inspect" "bbe8a178ae81db1d3dad93b6f4b1dff114733e311bfa3e32b58a6190eebd6de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbe8a178ae81db1d3dad93b6f4b1dff114733e311bfa3e32b58a6190eebd6de7", kill_on_drop: false }`
[INFO] [stdout] bbe8a178ae81db1d3dad93b6f4b1dff114733e311bfa3e32b58a6190eebd6de7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 351e12ed843b59b486cc4729d2ea19d086eb2d65c4e31b0c921fd92cfdd53393
[INFO] running `Command { std: "docker" "start" "-a" "351e12ed843b59b486cc4729d2ea19d086eb2d65c4e31b0c921fd92cfdd53393", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> src/flexbox.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Clone, Debug)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexbox-9be688a552db30be)
[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 src/main.rs (/opt/rustwide/target/debug/deps/flexbox-623e85749c276b92)
[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" "351e12ed843b59b486cc4729d2ea19d086eb2d65c4e31b0c921fd92cfdd53393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351e12ed843b59b486cc4729d2ea19d086eb2d65c4e31b0c921fd92cfdd53393", kill_on_drop: false }`
[INFO] [stdout] 351e12ed843b59b486cc4729d2ea19d086eb2d65c4e31b0c921fd92cfdd53393