[INFO] cloning repository https://github.com/rw/rust_flatbuffers_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rw/rust_flatbuffers_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frw%2Frust_flatbuffers_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frw%2Frust_flatbuffers_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 362725951ebc826c7648ad609045c1ed46f7a697
[INFO] testing rw/rust_flatbuffers_example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frw%2Frust_flatbuffers_example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rw/rust_flatbuffers_example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rw/rust_flatbuffers_example
[INFO] finished tweaking git repo https://github.com/rw/rust_flatbuffers_example
[INFO] tweaked toml for git repo https://github.com/rw/rust_flatbuffers_example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rw/rust_flatbuffers_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 flatbuffers v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584a9ff2cb585b26ed1c4e0287d2e43224d39c4a69fc6bfef6ab9437b6868535
[INFO] running `Command { std: "docker" "start" "-a" "584a9ff2cb585b26ed1c4e0287d2e43224d39c4a69fc6bfef6ab9437b6868535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584a9ff2cb585b26ed1c4e0287d2e43224d39c4a69fc6bfef6ab9437b6868535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584a9ff2cb585b26ed1c4e0287d2e43224d39c4a69fc6bfef6ab9437b6868535", kill_on_drop: false }`
[INFO] [stdout] 584a9ff2cb585b26ed1c4e0287d2e43224d39c4a69fc6bfef6ab9437b6868535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40f7c2351032d0e82f2316b2a3ff8660ca8cd8e72a0103122aff2fc9feba8a12
[INFO] running `Command { std: "docker" "start" "-a" "40f7c2351032d0e82f2316b2a3ff8660ca8cd8e72a0103122aff2fc9feba8a12", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling flatbuffers v0.6.0
[INFO] [stderr]    Compiling rust_flatbuffers_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/myschema_generated.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/myschema_generated.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::flatbuffers::EndianScalar`
[INFO] [stdout]  --> src/myschema_generated.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use self::flatbuffers::EndianScalar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "40f7c2351032d0e82f2316b2a3ff8660ca8cd8e72a0103122aff2fc9feba8a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f7c2351032d0e82f2316b2a3ff8660ca8cd8e72a0103122aff2fc9feba8a12", kill_on_drop: false }`
[INFO] [stdout] 40f7c2351032d0e82f2316b2a3ff8660ca8cd8e72a0103122aff2fc9feba8a12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66b32c6eb6b3da241900063357384be9c71bff53b8e9fefaee6d9d0616370659
[INFO] running `Command { std: "docker" "start" "-a" "66b32c6eb6b3da241900063357384be9c71bff53b8e9fefaee6d9d0616370659", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_flatbuffers_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/myschema_generated.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/myschema_generated.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::flatbuffers::EndianScalar`
[INFO] [stdout]  --> src/myschema_generated.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use self::flatbuffers::EndianScalar;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "66b32c6eb6b3da241900063357384be9c71bff53b8e9fefaee6d9d0616370659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b32c6eb6b3da241900063357384be9c71bff53b8e9fefaee6d9d0616370659", kill_on_drop: false }`
[INFO] [stdout] 66b32c6eb6b3da241900063357384be9c71bff53b8e9fefaee6d9d0616370659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 63e1caad5b3d1ff1df1b39b5b378827b6be25a00fe3e65edf6fa5c59fdbc6693
[INFO] running `Command { std: "docker" "start" "-a" "63e1caad5b3d1ff1df1b39b5b378827b6be25a00fe3e65edf6fa5c59fdbc6693", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/myschema_generated.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::Ordering`
[INFO] [stderr]  --> src/myschema_generated.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::cmp::Ordering;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::flatbuffers::EndianScalar`
[INFO] [stderr]  --> src/myschema_generated.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use self::flatbuffers::EndianScalar;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_flatbuffers_example` (bin "rust_flatbuffers_example" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_flatbuffers_example-aee9d927c94b6a38)
[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" "63e1caad5b3d1ff1df1b39b5b378827b6be25a00fe3e65edf6fa5c59fdbc6693", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e1caad5b3d1ff1df1b39b5b378827b6be25a00fe3e65edf6fa5c59fdbc6693", kill_on_drop: false }`
[INFO] [stdout] 63e1caad5b3d1ff1df1b39b5b378827b6be25a00fe3e65edf6fa5c59fdbc6693