[INFO] fetching crate derive-into-owned 0.1.0...
[INFO] testing derive-into-owned-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate derive-into-owned 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate derive-into-owned 0.1.0 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 crates.io crate derive-into-owned 0.1.0
[INFO] finished tweaking crates.io crate derive-into-owned 0.1.0
[INFO] tweaked toml for crates.io crate derive-into-owned 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1b7eb230bfaff85d1132c839a37c3c760a5c516bcb0f3d5878031f119534ef17
[INFO] running `Command { std: "docker" "start" "-a" "1b7eb230bfaff85d1132c839a37c3c760a5c516bcb0f3d5878031f119534ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b7eb230bfaff85d1132c839a37c3c760a5c516bcb0f3d5878031f119534ef17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7eb230bfaff85d1132c839a37c3c760a5c516bcb0f3d5878031f119534ef17", kill_on_drop: false }`
[INFO] [stdout] 1b7eb230bfaff85d1132c839a37c3c760a5c516bcb0f3d5878031f119534ef17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 8d254b123046fb26ca5f010d0b9eaf5921427cccee4b88631eb88d24ef1f709e
[INFO] running `Command { std: "docker" "start" "-a" "8d254b123046fb26ca5f010d0b9eaf5921427cccee4b88631eb88d24ef1f709e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling derive-into-owned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "8d254b123046fb26ca5f010d0b9eaf5921427cccee4b88631eb88d24ef1f709e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d254b123046fb26ca5f010d0b9eaf5921427cccee4b88631eb88d24ef1f709e", kill_on_drop: false }`
[INFO] [stdout] 8d254b123046fb26ca5f010d0b9eaf5921427cccee4b88631eb88d24ef1f709e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] d881f21afb12a44d06ca544ab4eb999642cd0dbf87651737518a7b7c110107f7
[INFO] running `Command { std: "docker" "start" "-a" "d881f21afb12a44d06ca544ab4eb999642cd0dbf87651737518a7b7c110107f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive-into-owned v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "d881f21afb12a44d06ca544ab4eb999642cd0dbf87651737518a7b7c110107f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d881f21afb12a44d06ca544ab4eb999642cd0dbf87651737518a7b7c110107f7", kill_on_drop: false }`
[INFO] [stdout] d881f21afb12a44d06ca544ab4eb999642cd0dbf87651737518a7b7c110107f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4db9f228f2c7033650537dd27a4600c32835f3cd0432c22cd784d52d66923031
[INFO] running `Command { std: "docker" "start" "-a" "4db9f228f2c7033650537dd27a4600c32835f3cd0432c22cd784d52d66923031", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/derive_into_owned-15b6211d28da417b)
[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/borrowed.rs (/opt/rustwide/target/debug/deps/borrowed-5cd688071ac98f56)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test borrowed ... ok
[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] [stderr]      Running tests/generic_tuple_struct.rs (/opt/rustwide/target/debug/deps/generic_tuple_struct-6f33e8d3a45db8cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tuple_struct ... ok
[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] [stderr]      Running tests/opt_field.rs (/opt/rustwide/target/debug/deps/opt_field-0e045b46b41b4f81)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test opt_cow_field ... ok
[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] [stderr]      Running tests/simple_enum.rs (/opt/rustwide/target/debug/deps/simple_enum-e4a20319c6f4075f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test enum_with_only_cow_variants ... ok
[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] [stderr]      Running tests/struct.rs (/opt/rustwide/target/debug/deps/struct-af513a9d5aa2cb10)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simplest ... ok
[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] [stderr]      Running tests/tuple_struct.rs (/opt/rustwide/target/debug/deps/tuple_struct-f25e7f8db3b78bae)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tuple_struct ... ok
[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] [stderr]      Running tests/variant_enum.rs (/opt/rustwide/target/debug/deps/variant_enum-5b61e145720e671d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test enum_with_only_cow_variants ... ok
[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] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-b4428926998c5a55)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test vec ... ok
[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] [stderr]    Doc-tests derive-into-owned
[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" "4db9f228f2c7033650537dd27a4600c32835f3cd0432c22cd784d52d66923031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db9f228f2c7033650537dd27a4600c32835f3cd0432c22cd784d52d66923031", kill_on_drop: false }`
[INFO] [stdout] 4db9f228f2c7033650537dd27a4600c32835f3cd0432c22cd784d52d66923031