[INFO] fetching crate dosio 0.1.3...
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] crate dosio 0.1.3 is already in cache
[INFO] checking dosio-0.1.3 against master#7308c22c6a8d77e82187e290e1f7459870e48d12 for pr-99447
[INFO] extracting crate dosio 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dosio 0.1.3 on toolchain 7308c22c6a8d77e82187e290e1f7459870e48d12
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dosio 0.1.3
[INFO] finished tweaking crates.io crate dosio 0.1.3
[INFO] tweaked toml for crates.io crate dosio 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-pickle v0.6.3
[INFO] [stderr]   Downloaded iter-read v0.3.1
[INFO] [stderr]   Downloaded hdf5-derive v0.8.1
[INFO] [stderr]   Downloaded dosio-macros v0.1.5
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded parquet v6.5.0
[INFO] [stderr]   Downloaded parquet-format v2.6.1
[INFO] [stderr]   Downloaded hdf5-sys v0.8.1
[INFO] [stderr]   Downloaded flatbuffers v2.0.0
[INFO] [stderr]   Downloaded zstd v0.9.2+zstd.1.5.1
[INFO] [stderr]   Downloaded zstd-safe v4.1.3+zstd.1.5.1
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded hdf5-types v0.8.1
[INFO] [stderr]   Downloaded arrow v6.5.0
[INFO] [stderr]   Downloaded zstd-sys v1.6.2+zstd.1.5.1
[INFO] [stderr]   Downloaded hdf5 v0.8.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f8aa01cf755f41f166982b8baa294ccd5b34cccdce6f5e19809ca1b6419273a
[INFO] running `Command { std: "docker" "start" "-a" "5f8aa01cf755f41f166982b8baa294ccd5b34cccdce6f5e19809ca1b6419273a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f8aa01cf755f41f166982b8baa294ccd5b34cccdce6f5e19809ca1b6419273a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8aa01cf755f41f166982b8baa294ccd5b34cccdce6f5e19809ca1b6419273a", kill_on_drop: false }`
[INFO] [stdout] 5f8aa01cf755f41f166982b8baa294ccd5b34cccdce6f5e19809ca1b6419273a
[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=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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+7308c22c6a8d77e82187e290e1f7459870e48d12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a8fbbf22d0ccffe5e066706c01c689b2354f82dcc1e781e4a3864de81fba40b
[INFO] running `Command { std: "docker" "start" "-a" "9a8fbbf22d0ccffe5e066706c01c689b2354f82dcc1e781e4a3864de81fba40b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling libc v0.2.129
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling hdf5-types v0.8.1
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling hdf5 v0.8.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling paste v1.0.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling num-complex v0.4.2
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling hdf5-sys v0.8.1
[INFO] [stderr]    Compiling hdf5-derive v0.8.1
[INFO] [stderr]     Checking serde-pickle v0.6.3
[INFO] [stderr]    Compiling dosio-macros v0.1.5
[INFO] [stderr]     Checking dosio v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] `FEM_REPO` environment variable is not set, using dummies instead.
[INFO] [stdout] `FEM_REPO` environment variable is not set, using dummies instead.
[INFO] [stdout] warning: unused variable: `io`
[INFO] [stdout]   --> src/io.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let io: IO<Vec<f64>> = From::from((&tag, Some(data)));
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_io`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.27s
[INFO] running `Command { std: "docker" "inspect" "9a8fbbf22d0ccffe5e066706c01c689b2354f82dcc1e781e4a3864de81fba40b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8fbbf22d0ccffe5e066706c01c689b2354f82dcc1e781e4a3864de81fba40b", kill_on_drop: false }`
[INFO] [stdout] 9a8fbbf22d0ccffe5e066706c01c689b2354f82dcc1e781e4a3864de81fba40b