[INFO] fetching crate struct_field 0.1.4...
[INFO] testing struct_field-0.1.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate struct_field 0.1.4 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate struct_field 0.1.4 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 struct_field 0.1.4
[INFO] finished tweaking crates.io crate struct_field 0.1.4
[INFO] tweaked toml for crates.io crate struct_field 0.1.4 written to /workspace/builds/worker-99/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 82609102df645958e8acb2a8e0a8302e2664c1af4a3efdaa84573373c7e99e24
[INFO] running `Command { std: "docker" "start" "-a" "82609102df645958e8acb2a8e0a8302e2664c1af4a3efdaa84573373c7e99e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82609102df645958e8acb2a8e0a8302e2664c1af4a3efdaa84573373c7e99e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82609102df645958e8acb2a8e0a8302e2664c1af4a3efdaa84573373c7e99e24", kill_on_drop: false }`
[INFO] [stdout] 82609102df645958e8acb2a8e0a8302e2664c1af4a3efdaa84573373c7e99e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] ace79da799b9fd1c1b265cf0b61e00b474cd4ffc35c0b546b67581050831485d
[INFO] running `Command { std: "docker" "start" "-a" "ace79da799b9fd1c1b265cf0b61e00b474cd4ffc35c0b546b67581050831485d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling struct_field v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "ace79da799b9fd1c1b265cf0b61e00b474cd4ffc35c0b546b67581050831485d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace79da799b9fd1c1b265cf0b61e00b474cd4ffc35c0b546b67581050831485d", kill_on_drop: false }`
[INFO] [stdout] ace79da799b9fd1c1b265cf0b61e00b474cd4ffc35c0b546b67581050831485d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 13d352a5e125fec1b04dfbeb14b9ee3fca9ae644ffe0769b911c469e304d71d7
[INFO] running `Command { std: "docker" "start" "-a" "13d352a5e125fec1b04dfbeb14b9ee3fca9ae644ffe0769b911c469e304d71d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct_field_names v0.2.1
[INFO] [stderr]    Compiling struct_field v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "13d352a5e125fec1b04dfbeb14b9ee3fca9ae644ffe0769b911c469e304d71d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d352a5e125fec1b04dfbeb14b9ee3fca9ae644ffe0769b911c469e304d71d7", kill_on_drop: false }`
[INFO] [stdout] 13d352a5e125fec1b04dfbeb14b9ee3fca9ae644ffe0769b911c469e304d71d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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] 0d692cdcbc7a4005e90dadf13af1bc3b18adda0f53ea34cc20709ef520df9048
[INFO] running `Command { std: "docker" "start" "-a" "0d692cdcbc7a4005e90dadf13af1bc3b18adda0f53ea34cc20709ef520df9048", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/struct_field-d8c00b912461aab0)
[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-f9b7f0c384e57e4a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test not_a_test_skip_attribute ... ok
[INFO] [stdout] test test_with_generic_struct ... ok
[INFO] [stderr]    Doc-tests struct_field
[INFO] [stdout] test test_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "0d692cdcbc7a4005e90dadf13af1bc3b18adda0f53ea34cc20709ef520df9048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d692cdcbc7a4005e90dadf13af1bc3b18adda0f53ea34cc20709ef520df9048", kill_on_drop: false }`
[INFO] [stdout] 0d692cdcbc7a4005e90dadf13af1bc3b18adda0f53ea34cc20709ef520df9048