[INFO] fetching crate x-variant 0.1.2...
[INFO] testing x-variant-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate x-variant 0.1.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate x-variant 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate x-variant 0.1.2
[INFO] tweaked toml for crates.io crate x-variant 0.1.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate x-variant 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate x-variant 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.11
[INFO] [stderr]   Downloaded num-integer v0.1.46
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded num-traits v0.2.19
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.13
[INFO] [stderr]   Downloaded num-iter v0.1.45
[INFO] [stderr]   Downloaded memchr v2.7.4
[INFO] [stderr]   Downloaded num-bigint v0.4.6
[INFO] [stderr]   Downloaded ryu v1.0.18
[INFO] [stderr]   Downloaded serde_json v1.0.132
[INFO] [stderr]   Downloaded autocfg v1.4.0
[INFO] [stderr]   Downloaded syn v2.0.87
[INFO] [stderr]   Downloaded serde_derive v1.0.213
[INFO] [stderr]   Downloaded quote v1.0.37
[INFO] [stderr]   Downloaded proc-macro2 v1.0.89
[INFO] [stderr]   Downloaded serde v1.0.213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 838a7a262c208860e0c4bac441181f4baf18350db1c2c9bfaf60e5dc743a8578
[INFO] running `Command { std: "docker" "start" "-a" "838a7a262c208860e0c4bac441181f4baf18350db1c2c9bfaf60e5dc743a8578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "838a7a262c208860e0c4bac441181f4baf18350db1c2c9bfaf60e5dc743a8578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838a7a262c208860e0c4bac441181f4baf18350db1c2c9bfaf60e5dc743a8578", kill_on_drop: false }`
[INFO] [stdout] 838a7a262c208860e0c4bac441181f4baf18350db1c2c9bfaf60e5dc743a8578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1f884214459c3699171bfc999a6ef22bf24031d3b0ba0eb1fb5c3d9bcbfda74
[INFO] running `Command { std: "docker" "start" "-a" "b1f884214459c3699171bfc999a6ef22bf24031d3b0ba0eb1fb5c3d9bcbfda74", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.213
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling x-variant v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "b1f884214459c3699171bfc999a6ef22bf24031d3b0ba0eb1fb5c3d9bcbfda74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f884214459c3699171bfc999a6ef22bf24031d3b0ba0eb1fb5c3d9bcbfda74", kill_on_drop: false }`
[INFO] [stdout] b1f884214459c3699171bfc999a6ef22bf24031d3b0ba0eb1fb5c3d9bcbfda74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fac6af21a7b4f306c9a3c9080989fe4de41daf1ee40beb8ec0ba53cb5ab3fc0
[INFO] running `Command { std: "docker" "start" "-a" "2fac6af21a7b4f306c9a3c9080989fe4de41daf1ee40beb8ec0ba53cb5ab3fc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling x-variant v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "2fac6af21a7b4f306c9a3c9080989fe4de41daf1ee40beb8ec0ba53cb5ab3fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fac6af21a7b4f306c9a3c9080989fe4de41daf1ee40beb8ec0ba53cb5ab3fc0", kill_on_drop: false }`
[INFO] [stdout] 2fac6af21a7b4f306c9a3c9080989fe4de41daf1ee40beb8ec0ba53cb5ab3fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0177e16cb8a89010b869808057d399fe42442c8eca8a9000068c5bce1462d951
[INFO] running `Command { std: "docker" "start" "-a" "0177e16cb8a89010b869808057d399fe42442c8eca8a9000068c5bce1462d951", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/x_variant-bd9f07d8d7581e2f)
[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 x_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" "0177e16cb8a89010b869808057d399fe42442c8eca8a9000068c5bce1462d951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0177e16cb8a89010b869808057d399fe42442c8eca8a9000068c5bce1462d951", kill_on_drop: false }`
[INFO] [stdout] 0177e16cb8a89010b869808057d399fe42442c8eca8a9000068c5bce1462d951