[INFO] fetching crate vecshard 0.2.1...
[INFO] testing vecshard-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vecshard 0.2.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate vecshard 0.2.1 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 vecshard 0.2.1
[INFO] finished tweaking crates.io crate vecshard 0.2.1
[INFO] tweaked toml for crates.io crate vecshard 0.2.1 written to /workspace/builds/worker-78/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 8932d21e8545524df0fe5d3b3b804e033e19763570e98d9f6c5a8c45eb0f96f8
[INFO] running `Command { std: "docker" "start" "-a" "8932d21e8545524df0fe5d3b3b804e033e19763570e98d9f6c5a8c45eb0f96f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8932d21e8545524df0fe5d3b3b804e033e19763570e98d9f6c5a8c45eb0f96f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8932d21e8545524df0fe5d3b3b804e033e19763570e98d9f6c5a8c45eb0f96f8", kill_on_drop: false }`
[INFO] [stdout] 8932d21e8545524df0fe5d3b3b804e033e19763570e98d9f6c5a8c45eb0f96f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 616043491cdae29559b2f8cf6312e2642f6c48d0aba4fb12a9be4750a2db237f
[INFO] running `Command { std: "docker" "start" "-a" "616043491cdae29559b2f8cf6312e2642f6c48d0aba4fb12a9be4750a2db237f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vecshard v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "616043491cdae29559b2f8cf6312e2642f6c48d0aba4fb12a9be4750a2db237f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616043491cdae29559b2f8cf6312e2642f6c48d0aba4fb12a9be4750a2db237f", kill_on_drop: false }`
[INFO] [stdout] 616043491cdae29559b2f8cf6312e2642f6c48d0aba4fb12a9be4750a2db237f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] dad82323fbbb175bc7254deda84dfcb11864882922af15e048c1e9bc63a16444
[INFO] running `Command { std: "docker" "start" "-a" "dad82323fbbb175bc7254deda84dfcb11864882922af15e048c1e9bc63a16444", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling vecshard v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.03s
[INFO] running `Command { std: "docker" "inspect" "dad82323fbbb175bc7254deda84dfcb11864882922af15e048c1e9bc63a16444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad82323fbbb175bc7254deda84dfcb11864882922af15e048c1e9bc63a16444", kill_on_drop: false }`
[INFO] [stdout] dad82323fbbb175bc7254deda84dfcb11864882922af15e048c1e9bc63a16444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] cf7645de90b4e0a5ff68d9e66326bddc517a3fcb01d9568df82aeeac46fa76c9
[INFO] running `Command { std: "docker" "start" "-a" "cf7645de90b4e0a5ff68d9e66326bddc517a3fcb01d9568df82aeeac46fa76c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vecshard-ed1e8219e64e22a7)
[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]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-891df15bc30ce856)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test backwards_iteration ... ok
[INFO] [stdout] test clone_works ... ok
[INFO] [stdout] test debug_looks_ok ... ok
[INFO] [stdout] test deref ... ok
[INFO] [stdout] test hash_works ... ok
[INFO] [stdout] test into_vecs ... ok
[INFO] [stdout] test lens_match_up ... ok
[INFO] [stdout] test lucky_merges ... ok
[INFO] [stdout] test vec_roundtrip ... ok
[INFO] [stdout] test unlucky_merges ... ok
[INFO] [stdout] test weird_merges ... ok
[INFO] [stdout] test things_get_dropped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/serde.rs (/opt/rustwide/target/debug/deps/serde-1a017905701c837f)
[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 vecshard
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - ShardExt (line 115) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf7645de90b4e0a5ff68d9e66326bddc517a3fcb01d9568df82aeeac46fa76c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7645de90b4e0a5ff68d9e66326bddc517a3fcb01d9568df82aeeac46fa76c9", kill_on_drop: false }`
[INFO] [stdout] cf7645de90b4e0a5ff68d9e66326bddc517a3fcb01d9568df82aeeac46fa76c9