[INFO] fetching crate all_variants 0.2.6...
[INFO] testing all_variants-0.2.6 against 1.49.0 for beta-1.50-1
[INFO] extracting crate all_variants 0.2.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate all_variants 0.2.6 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate all_variants 0.2.6
[INFO] finished tweaking crates.io crate all_variants 0.2.6
[INFO] tweaked toml for crates.io crate all_variants 0.2.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e42d5348a3743609365df256025f5df0e5ee605e72a34c4e7a22bc77c2b1f8d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e42d5348a3743609365df256025f5df0e5ee605e72a34c4e7a22bc77c2b1f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e42d5348a3743609365df256025f5df0e5ee605e72a34c4e7a22bc77c2b1f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e42d5348a3743609365df256025f5df0e5ee605e72a34c4e7a22bc77c2b1f8d", kill_on_drop: false }`
[INFO] [stdout] 2e42d5348a3743609365df256025f5df0e5ee605e72a34c4e7a22bc77c2b1f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d78a852969748e4e4377b9f8a37834b995c2a1c557e2db1a7ae50d95c3814545
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d78a852969748e4e4377b9f8a37834b995c2a1c557e2db1a7ae50d95c3814545", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling every_variant v0.2.0
[INFO] [stderr]    Compiling all_variants v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.24s
[INFO] running `Command { std: "docker" "inspect" "d78a852969748e4e4377b9f8a37834b995c2a1c557e2db1a7ae50d95c3814545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78a852969748e4e4377b9f8a37834b995c2a1c557e2db1a7ae50d95c3814545", kill_on_drop: false }`
[INFO] [stdout] d78a852969748e4e4377b9f8a37834b995c2a1c557e2db1a7ae50d95c3814545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91f4b6dcb005c0d101fa705bfc6b43ff72db033250b0051329d007a036d28a71
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "91f4b6dcb005c0d101fa705bfc6b43ff72db033250b0051329d007a036d28a71", kill_on_drop: false }`
[INFO] [stderr]    Compiling all_variants v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "91f4b6dcb005c0d101fa705bfc6b43ff72db033250b0051329d007a036d28a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91f4b6dcb005c0d101fa705bfc6b43ff72db033250b0051329d007a036d28a71", kill_on_drop: false }`
[INFO] [stdout] 91f4b6dcb005c0d101fa705bfc6b43ff72db033250b0051329d007a036d28a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 422278d2f01f177271c04944a9b7ef5fbc8f72f461f3601cf7aba6f3f0737aac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "422278d2f01f177271c04944a9b7ef5fbc8f72f461f3601cf7aba6f3f0737aac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/all_variants-accd0c352aac089f
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::opts_number ... ok
[INFO] [stdout] test tests::unnamed2 ... ok
[INFO] [stdout] test tests::unnamed1 ... ok
[INFO] [stdout] test tests::messages_number ... ok
[INFO] [stdout] test tests::generic1 ... ok
[INFO] [stdout] test tests::generic2 ... ok
[INFO] [stderr]    Doc-tests all_variants
[INFO] [stdout] test tests::small_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "422278d2f01f177271c04944a9b7ef5fbc8f72f461f3601cf7aba6f3f0737aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422278d2f01f177271c04944a9b7ef5fbc8f72f461f3601cf7aba6f3f0737aac", kill_on_drop: false }`
[INFO] [stdout] 422278d2f01f177271c04944a9b7ef5fbc8f72f461f3601cf7aba6f3f0737aac