[INFO] fetching crate serde_variant 0.1.0...
[INFO] testing serde_variant-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate serde_variant 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate serde_variant 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_variant 0.1.0
[INFO] finished tweaking crates.io crate serde_variant 0.1.0
[INFO] tweaked toml for crates.io crate serde_variant 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d5db207586f87f8648d48157b3928f5d0de965ab33b5a5c5c4a0293ab9ef4ab
[INFO] running `Command { std: "docker" "start" "-a" "7d5db207586f87f8648d48157b3928f5d0de965ab33b5a5c5c4a0293ab9ef4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5db207586f87f8648d48157b3928f5d0de965ab33b5a5c5c4a0293ab9ef4ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5db207586f87f8648d48157b3928f5d0de965ab33b5a5c5c4a0293ab9ef4ab", kill_on_drop: false }`
[INFO] [stdout] 7d5db207586f87f8648d48157b3928f5d0de965ab33b5a5c5c4a0293ab9ef4ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838bec1c449b3cb7d130c496c1fb520fdf1565e06b9bfad2d4d6c6db91fdb6c0
[INFO] running `Command { std: "docker" "start" "-a" "838bec1c449b3cb7d130c496c1fb520fdf1565e06b9bfad2d4d6c6db91fdb6c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_variant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.34s
[INFO] running `Command { std: "docker" "inspect" "838bec1c449b3cb7d130c496c1fb520fdf1565e06b9bfad2d4d6c6db91fdb6c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838bec1c449b3cb7d130c496c1fb520fdf1565e06b9bfad2d4d6c6db91fdb6c0", kill_on_drop: false }`
[INFO] [stdout] 838bec1c449b3cb7d130c496c1fb520fdf1565e06b9bfad2d4d6c6db91fdb6c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ebc37673f7c00e304ebe905eb5533000cc15dd4a06a23bc2445872f896c89a4
[INFO] running `Command { std: "docker" "start" "-a" "5ebc37673f7c00e304ebe905eb5533000cc15dd4a06a23bc2445872f896c89a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_variant v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5ebc37673f7c00e304ebe905eb5533000cc15dd4a06a23bc2445872f896c89a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebc37673f7c00e304ebe905eb5533000cc15dd4a06a23bc2445872f896c89a4", kill_on_drop: false }`
[INFO] [stdout] 5ebc37673f7c00e304ebe905eb5533000cc15dd4a06a23bc2445872f896c89a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94ef4e18a1591015eb60713b4af09d2be7330c361d4e1781d9f1cb65f9d7b7c4
[INFO] running `Command { std: "docker" "start" "-a" "94ef4e18a1591015eb60713b4af09d2be7330c361d4e1781d9f1cb65f9d7b7c4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_variant-ab7063de1014131c)
[INFO] [stdout] test tests::unit_variant_names ... ok
[INFO] [stderr]    Doc-tests serde_variant
[INFO] [stdout] test tests::newtype_struct_unsupported ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "94ef4e18a1591015eb60713b4af09d2be7330c361d4e1781d9f1cb65f9d7b7c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ef4e18a1591015eb60713b4af09d2be7330c361d4e1781d9f1cb65f9d7b7c4", kill_on_drop: false }`
[INFO] [stdout] 94ef4e18a1591015eb60713b4af09d2be7330c361d4e1781d9f1cb65f9d7b7c4