[INFO] fetching crate structscan 0.1.0...
[INFO] testing structscan-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate structscan 0.1.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate structscan 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate structscan 0.1.0
[INFO] finished tweaking crates.io crate structscan 0.1.0
[INFO] tweaked toml for crates.io crate structscan 0.1.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structscan_derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d03576a305a17293e717fcaf315b87443c174307b0446eda8400536db192af12
[INFO] running `Command { std: "docker" "start" "-a" "d03576a305a17293e717fcaf315b87443c174307b0446eda8400536db192af12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d03576a305a17293e717fcaf315b87443c174307b0446eda8400536db192af12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03576a305a17293e717fcaf315b87443c174307b0446eda8400536db192af12", kill_on_drop: false }`
[INFO] [stdout] d03576a305a17293e717fcaf315b87443c174307b0446eda8400536db192af12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd2bb065c8f17c439db6fe91a76e84e1c3ef9a6ece72a4b5698e766151eebf7
[INFO] running `Command { std: "docker" "start" "-a" "4bd2bb065c8f17c439db6fe91a76e84e1c3ef9a6ece72a4b5698e766151eebf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling structscan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "4bd2bb065c8f17c439db6fe91a76e84e1c3ef9a6ece72a4b5698e766151eebf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd2bb065c8f17c439db6fe91a76e84e1c3ef9a6ece72a4b5698e766151eebf7", kill_on_drop: false }`
[INFO] [stdout] 4bd2bb065c8f17c439db6fe91a76e84e1c3ef9a6ece72a4b5698e766151eebf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc4747572cd08c093c5e7ec8f86b5a714a65e1a7f813ff65d062019ebe9c8d93
[INFO] running `Command { std: "docker" "start" "-a" "fc4747572cd08c093c5e7ec8f86b5a714a65e1a7f813ff65d062019ebe9c8d93", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling structscan_derive v0.1.0
[INFO] [stderr]    Compiling structscan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "fc4747572cd08c093c5e7ec8f86b5a714a65e1a7f813ff65d062019ebe9c8d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4747572cd08c093c5e7ec8f86b5a714a65e1a7f813ff65d062019ebe9c8d93", kill_on_drop: false }`
[INFO] [stdout] fc4747572cd08c093c5e7ec8f86b5a714a65e1a7f813ff65d062019ebe9c8d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 187da5f4977e392686f9197db96d792a8c0aed8a027d604b0de442445af98c5c
[INFO] running `Command { std: "docker" "start" "-a" "187da5f4977e392686f9197db96d792a8c0aed8a027d604b0de442445af98c5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/structscan-705b53e8f17b5a57)
[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]    Doc-tests structscan
[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" "187da5f4977e392686f9197db96d792a8c0aed8a027d604b0de442445af98c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187da5f4977e392686f9197db96d792a8c0aed8a027d604b0de442445af98c5c", kill_on_drop: false }`
[INFO] [stdout] 187da5f4977e392686f9197db96d792a8c0aed8a027d604b0de442445af98c5c