[INFO] fetching crate packbytes 0.2.0...
[INFO] testing packbytes-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate packbytes 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate packbytes 0.2.0
[INFO] finished tweaking crates.io crate packbytes 0.2.0
[INFO] tweaked toml for crates.io crate packbytes 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate packbytes 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecdb7a9e091585b4d29c5816de7f3b401acadb6cf921bc93e49ebad17882b9da
[INFO] running `Command { std: "docker" "start" "-a" "ecdb7a9e091585b4d29c5816de7f3b401acadb6cf921bc93e49ebad17882b9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecdb7a9e091585b4d29c5816de7f3b401acadb6cf921bc93e49ebad17882b9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecdb7a9e091585b4d29c5816de7f3b401acadb6cf921bc93e49ebad17882b9da", kill_on_drop: false }`
[INFO] [stdout] ecdb7a9e091585b4d29c5816de7f3b401acadb6cf921bc93e49ebad17882b9da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52ce67cb6f47d486a5737d8e59fd176f32b3b5179cbced613009eda2d0effe62
[INFO] running `Command { std: "docker" "start" "-a" "52ce67cb6f47d486a5737d8e59fd176f32b3b5179cbced613009eda2d0effe62", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling packbytes-derive v0.1.0
[INFO] [stderr]    Compiling packbytes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "52ce67cb6f47d486a5737d8e59fd176f32b3b5179cbced613009eda2d0effe62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ce67cb6f47d486a5737d8e59fd176f32b3b5179cbced613009eda2d0effe62", kill_on_drop: false }`
[INFO] [stdout] 52ce67cb6f47d486a5737d8e59fd176f32b3b5179cbced613009eda2d0effe62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d86095011d3a4d5c05e1be5bc23d74d7b92dda8b1467b3c6914c2bd0c184e8
[INFO] running `Command { std: "docker" "start" "-a" "84d86095011d3a4d5c05e1be5bc23d74d7b92dda8b1467b3c6914c2bd0c184e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling packbytes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ComplexStruct` is never constructed
[INFO] [stdout]   --> tests/tests.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct ComplexStruct {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "84d86095011d3a4d5c05e1be5bc23d74d7b92dda8b1467b3c6914c2bd0c184e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d86095011d3a4d5c05e1be5bc23d74d7b92dda8b1467b3c6914c2bd0c184e8", kill_on_drop: false }`
[INFO] [stdout] 84d86095011d3a4d5c05e1be5bc23d74d7b92dda8b1467b3c6914c2bd0c184e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4cc483aa607c75baf5fe3a2023f54ad1fe7c2856c562d590899cf3fcd3fbd3a
[INFO] running `Command { std: "docker" "start" "-a" "c4cc483aa607c75baf5fe3a2023f54ad1fe7c2856c562d590899cf3fcd3fbd3a", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ComplexStruct` is never constructed
[INFO] [stderr]   --> tests/tests.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct ComplexStruct {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `packbytes` (test "tests") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/packbytes-f39191c4fa3a33b3)
[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 tests/tests.rs (/opt/rustwide/target/debug/deps/tests-bfe80efd2c15d0f4)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test custom_error ... ok
[INFO] [stdout] test enum_test ... ok
[INFO] [stdout] test array_test ... ok
[INFO] [stdout] test struct_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests packbytes
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c4cc483aa607c75baf5fe3a2023f54ad1fe7c2856c562d590899cf3fcd3fbd3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cc483aa607c75baf5fe3a2023f54ad1fe7c2856c562d590899cf3fcd3fbd3a", kill_on_drop: false }`
[INFO] [stdout] c4cc483aa607c75baf5fe3a2023f54ad1fe7c2856c562d590899cf3fcd3fbd3a