[INFO] fetching crate lain_derive 0.5.4...
[INFO] testing lain_derive-0.5.4 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate lain_derive 0.5.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lain_derive 0.5.4 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lain_derive 0.5.4
[INFO] finished tweaking crates.io crate lain_derive 0.5.4
[INFO] tweaked toml for crates.io crate lain_derive 0.5.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b3078cec3818e27ae3efcfe4f579f3d106950cd2e99682f2c644deff3f34fdc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b3078cec3818e27ae3efcfe4f579f3d106950cd2e99682f2c644deff3f34fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b3078cec3818e27ae3efcfe4f579f3d106950cd2e99682f2c644deff3f34fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3078cec3818e27ae3efcfe4f579f3d106950cd2e99682f2c644deff3f34fdc", kill_on_drop: false }`
[INFO] [stdout] 5b3078cec3818e27ae3efcfe4f579f3d106950cd2e99682f2c644deff3f34fdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 292ebec2b97ea3122b555f84f5091857dd03e9f0b4cdeb6cea369d1ee4dd9eed
[INFO] running `Command { std: "docker" "start" "-a" "292ebec2b97ea3122b555f84f5091857dd03e9f0b4cdeb6cea369d1ee4dd9eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling lain_derive v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tokens`
[INFO] [stdout]   --> src/internals/attr.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     tokens: TokenStream,
[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 18.85s
[INFO] running `Command { std: "docker" "inspect" "292ebec2b97ea3122b555f84f5091857dd03e9f0b4cdeb6cea369d1ee4dd9eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292ebec2b97ea3122b555f84f5091857dd03e9f0b4cdeb6cea369d1ee4dd9eed", kill_on_drop: false }`
[INFO] [stdout] 292ebec2b97ea3122b555f84f5091857dd03e9f0b4cdeb6cea369d1ee4dd9eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ed5a1b0661e29f4233af6451211a7d8ef90fdecc3ab4c1a4235ea296f1bbb8ae
[INFO] running `Command { std: "docker" "start" "-a" "ed5a1b0661e29f4233af6451211a7d8ef90fdecc3ab4c1a4235ea296f1bbb8ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling lain_derive v0.5.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `tokens`
[INFO] [stdout]   --> src/internals/attr.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     tokens: TokenStream,
[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: `tokens`
[INFO] [stdout]   --> src/internals/attr.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     tokens: TokenStream,
[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 1.65s
[INFO] running `Command { std: "docker" "inspect" "ed5a1b0661e29f4233af6451211a7d8ef90fdecc3ab4c1a4235ea296f1bbb8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed5a1b0661e29f4233af6451211a7d8ef90fdecc3ab4c1a4235ea296f1bbb8ae", kill_on_drop: false }`
[INFO] [stdout] ed5a1b0661e29f4233af6451211a7d8ef90fdecc3ab4c1a4235ea296f1bbb8ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c3077e7d2701ccaa343fa457027b1241811f23c660dda91055b07bb071197f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5c3077e7d2701ccaa343fa457027b1241811f23c660dda91055b07bb071197f0", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]   --> src/internals/attr.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     tokens: TokenStream,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tokens`
[INFO] [stderr]   --> src/internals/attr.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     tokens: TokenStream,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lain_derive-ff555296fa00f605)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lain_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 4 tests
[INFO] [stdout] test src/lib.rs - binary_serialize (line 62) ... ok
[INFO] [stdout] test src/lib.rs - mutatable_helper (line 120) ... ok
[INFO] [stdout] test src/lib.rs - new_fuzzed (line 36) ... ok
[INFO] [stdout] test src/lib.rs - variable_size_object (line 159) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c3077e7d2701ccaa343fa457027b1241811f23c660dda91055b07bb071197f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c3077e7d2701ccaa343fa457027b1241811f23c660dda91055b07bb071197f0", kill_on_drop: false }`
[INFO] [stdout] 5c3077e7d2701ccaa343fa457027b1241811f23c660dda91055b07bb071197f0