[INFO] fetching crate store 0.1.0-alpha.3...
[INFO] testing store-0.1.0-alpha.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate store 0.1.0-alpha.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate store 0.1.0-alpha.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate store 0.1.0-alpha.3
[INFO] finished tweaking crates.io crate store 0.1.0-alpha.3
[INFO] tweaked toml for crates.io crate store 0.1.0-alpha.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e42bcb85069a6a0d712c7a9a24cb2ad0eaafd0d84e429b3e78934dd8a6db3235
[INFO] running `Command { std: "docker" "start" "-a" "e42bcb85069a6a0d712c7a9a24cb2ad0eaafd0d84e429b3e78934dd8a6db3235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e42bcb85069a6a0d712c7a9a24cb2ad0eaafd0d84e429b3e78934dd8a6db3235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42bcb85069a6a0d712c7a9a24cb2ad0eaafd0d84e429b3e78934dd8a6db3235", kill_on_drop: false }`
[INFO] [stdout] e42bcb85069a6a0d712c7a9a24cb2ad0eaafd0d84e429b3e78934dd8a6db3235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d66ff926a3c9fd9a6fb7aecc094b53c39b4f44a9a03c7df7781f63496089d684
[INFO] running `Command { std: "docker" "start" "-a" "d66ff926a3c9fd9a6fb7aecc094b53c39b4f44a9a03c7df7781f63496089d684", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling byteio v0.2.3
[INFO] [stderr]    Compiling nano-leb128 v0.1.0
[INFO] [stderr]    Compiling store v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.62s
[INFO] running `Command { std: "docker" "inspect" "d66ff926a3c9fd9a6fb7aecc094b53c39b4f44a9a03c7df7781f63496089d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d66ff926a3c9fd9a6fb7aecc094b53c39b4f44a9a03c7df7781f63496089d684", kill_on_drop: false }`
[INFO] [stdout] d66ff926a3c9fd9a6fb7aecc094b53c39b4f44a9a03c7df7781f63496089d684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 987e50a3b566008fb34a3895d0d8122d5837583a8689551036bc4a5c1ee1dfcb
[INFO] running `Command { std: "docker" "start" "-a" "987e50a3b566008fb34a3895d0d8122d5837583a8689551036bc4a5c1ee1dfcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quickcheck v0.8.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quickcheck_macros v0.8.0
[INFO] [stderr]    Compiling store v0.1.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "987e50a3b566008fb34a3895d0d8122d5837583a8689551036bc4a5c1ee1dfcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987e50a3b566008fb34a3895d0d8122d5837583a8689551036bc4a5c1ee1dfcb", kill_on_drop: false }`
[INFO] [stdout] 987e50a3b566008fb34a3895d0d8122d5837583a8689551036bc4a5c1ee1dfcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6d9cc37286d5b290202690cf9cc96c292bf753f970e75733bb58817963dffb8b
[INFO] running `Command { std: "docker" "start" "-a" "6d9cc37286d5b290202690cf9cc96c292bf753f970e75733bb58817963dffb8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/store-13569f0fbee8b345)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::serialize_into_u8_slice_consumed_bytes ... ok
[INFO] [stdout] test test::serialize_into_u8_vec_consumed_slice ... 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] [stderr]    Doc-tests store
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6d9cc37286d5b290202690cf9cc96c292bf753f970e75733bb58817963dffb8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9cc37286d5b290202690cf9cc96c292bf753f970e75733bb58817963dffb8b", kill_on_drop: false }`
[INFO] [stdout] 6d9cc37286d5b290202690cf9cc96c292bf753f970e75733bb58817963dffb8b