[INFO] fetching crate serde_variant 0.1.1...
[INFO] testing serde_variant-0.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate serde_variant 0.1.1 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate serde_variant 0.1.1 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 serde_variant 0.1.1
[INFO] finished tweaking crates.io crate serde_variant 0.1.1
[INFO] tweaked toml for crates.io crate serde_variant 0.1.1 written to /workspace/builds/worker-67/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] e450922a76c37ae4f99fe02ee2eadebffcb53d2ddbeec9b8a6a7e6f8dc6402db
[INFO] running `Command { std: "docker" "start" "-a" "e450922a76c37ae4f99fe02ee2eadebffcb53d2ddbeec9b8a6a7e6f8dc6402db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e450922a76c37ae4f99fe02ee2eadebffcb53d2ddbeec9b8a6a7e6f8dc6402db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e450922a76c37ae4f99fe02ee2eadebffcb53d2ddbeec9b8a6a7e6f8dc6402db", kill_on_drop: false }`
[INFO] [stdout] e450922a76c37ae4f99fe02ee2eadebffcb53d2ddbeec9b8a6a7e6f8dc6402db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 7512fdc51beebcc8c16c2cf834a3b134b77be514054eb36233a0674135b630a1
[INFO] running `Command { std: "docker" "start" "-a" "7512fdc51beebcc8c16c2cf834a3b134b77be514054eb36233a0674135b630a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling serde_variant v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "7512fdc51beebcc8c16c2cf834a3b134b77be514054eb36233a0674135b630a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7512fdc51beebcc8c16c2cf834a3b134b77be514054eb36233a0674135b630a1", kill_on_drop: false }`
[INFO] [stdout] 7512fdc51beebcc8c16c2cf834a3b134b77be514054eb36233a0674135b630a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 86b4d89e5ecf9846abf648d8b63ab8a2c58fafc297de41be93c38bdc9b4fd995
[INFO] running `Command { std: "docker" "start" "-a" "86b4d89e5ecf9846abf648d8b63ab8a2c58fafc297de41be93c38bdc9b4fd995", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_variant v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "86b4d89e5ecf9846abf648d8b63ab8a2c58fafc297de41be93c38bdc9b4fd995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b4d89e5ecf9846abf648d8b63ab8a2c58fafc297de41be93c38bdc9b4fd995", kill_on_drop: false }`
[INFO] [stdout] 86b4d89e5ecf9846abf648d8b63ab8a2c58fafc297de41be93c38bdc9b4fd995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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] 828d31bca2900249fb5aba9888f0daee35bd237ffa7184f4f91a605e562d3c80
[INFO] running `Command { std: "docker" "start" "-a" "828d31bca2900249fb5aba9888f0daee35bd237ffa7184f4f91a605e562d3c80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_variant-971692fa065ab98d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::newtype_struct ... ok
[INFO] [stdout] test tests::newtype_variant_names ... ok
[INFO] [stdout] test tests::tuple_variant_names ... ok
[INFO] [stdout] test tests::unit_variant_names ... 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 serde_variant
[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" "828d31bca2900249fb5aba9888f0daee35bd237ffa7184f4f91a605e562d3c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828d31bca2900249fb5aba9888f0daee35bd237ffa7184f4f91a605e562d3c80", kill_on_drop: false }`
[INFO] [stdout] 828d31bca2900249fb5aba9888f0daee35bd237ffa7184f4f91a605e562d3c80