[INFO] fetching crate cow_struct 0.0.1...
[INFO] testing cow_struct-0.0.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate cow_struct 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cow_struct 0.0.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cow_struct 0.0.1
[INFO] finished tweaking crates.io crate cow_struct 0.0.1
[INFO] tweaked toml for crates.io crate cow_struct 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca7ce0930ce0eb978378aeeca240373b1c87ac29ceed865793f17d49429b253a
[INFO] running `Command { std: "docker" "start" "-a" "ca7ce0930ce0eb978378aeeca240373b1c87ac29ceed865793f17d49429b253a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca7ce0930ce0eb978378aeeca240373b1c87ac29ceed865793f17d49429b253a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca7ce0930ce0eb978378aeeca240373b1c87ac29ceed865793f17d49429b253a", kill_on_drop: false }`
[INFO] [stdout] ca7ce0930ce0eb978378aeeca240373b1c87ac29ceed865793f17d49429b253a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8520bd9b8ac3be5fb7433378197b1a9ba4f55cd7188bdf26d1b1738ef29e2ecb
[INFO] running `Command { std: "docker" "start" "-a" "8520bd9b8ac3be5fb7433378197b1a9ba4f55cd7188bdf26d1b1738ef29e2ecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cow_struct v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "8520bd9b8ac3be5fb7433378197b1a9ba4f55cd7188bdf26d1b1738ef29e2ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8520bd9b8ac3be5fb7433378197b1a9ba4f55cd7188bdf26d1b1738ef29e2ecb", kill_on_drop: false }`
[INFO] [stdout] 8520bd9b8ac3be5fb7433378197b1a9ba4f55cd7188bdf26d1b1738ef29e2ecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcee2c9c6de05b10e0a5ad6421eade99808bb3986b23c1df24cba70cda987503
[INFO] running `Command { std: "docker" "start" "-a" "dcee2c9c6de05b10e0a5ad6421eade99808bb3986b23c1df24cba70cda987503", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cow_struct v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `f` is never read
[INFO] [stdout]  --> tests/struct.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     struct Nested {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |         f: [u8; 16],
[INFO] [stdout]   |         ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Nested` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 6.60s
[INFO] running `Command { std: "docker" "inspect" "dcee2c9c6de05b10e0a5ad6421eade99808bb3986b23c1df24cba70cda987503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcee2c9c6de05b10e0a5ad6421eade99808bb3986b23c1df24cba70cda987503", kill_on_drop: false }`
[INFO] [stdout] dcee2c9c6de05b10e0a5ad6421eade99808bb3986b23c1df24cba70cda987503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ed04db331b7c7913d003e79096191bc1ff159d5fcad217e453268ac6171498f
[INFO] running `Command { std: "docker" "start" "-a" "2ed04db331b7c7913d003e79096191bc1ff159d5fcad217e453268ac6171498f", kill_on_drop: false }`
[INFO] [stderr] warning: field `f` is never read
[INFO] [stderr]  --> tests/struct.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     struct Nested {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 6 |         f: [u8; 16],
[INFO] [stderr]   |         ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Nested` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `cow_struct` (test "struct") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running tests/struct.rs (/opt/rustwide/target/debug/deps/struct-68493690ee7e1876)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::derive ... ok
[INFO] [stderr]    Doc-tests cow_struct
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "2ed04db331b7c7913d003e79096191bc1ff159d5fcad217e453268ac6171498f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed04db331b7c7913d003e79096191bc1ff159d5fcad217e453268ac6171498f", kill_on_drop: false }`
[INFO] [stdout] 2ed04db331b7c7913d003e79096191bc1ff159d5fcad217e453268ac6171498f
