[INFO] fetching crate dosio 0.1.3...
[INFO] checking dosio-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate dosio 0.1.3 into /workspace/builds/worker-1-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dosio 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 141 packages to latest compatible versions
[INFO] [stderr]       Adding flatbuffers v2.0.0 (available: v2.1.2)
[INFO] [stderr]       Adding serde-pickle v0.6.3 (available: v1.2.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding zstd-safe v4.1.3+zstd.1.5.1 (available: v4.1.6+zstd.1.5.2)
[INFO] [stderr]       Adding zstd-sys v1.6.2+zstd.1.5.1 (available: v1.6.3+zstd.1.5.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-pickle v0.6.3
[INFO] [stderr]   Downloaded dosio-macros v0.1.5
[INFO] [stderr]   Downloaded iter-read v0.3.1
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43390652e3d82e1989cf6c662be592f9a491522c5e83cc49f4be1ea57fdc254
[INFO] running `Command { std: "docker" "start" "-a" "e43390652e3d82e1989cf6c662be592f9a491522c5e83cc49f4be1ea57fdc254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43390652e3d82e1989cf6c662be592f9a491522c5e83cc49f4be1ea57fdc254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43390652e3d82e1989cf6c662be592f9a491522c5e83cc49f4be1ea57fdc254", kill_on_drop: false }`
[INFO] [stdout] e43390652e3d82e1989cf6c662be592f9a491522c5e83cc49f4be1ea57fdc254
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07a2cb8955976040774ad2eefd3fe07dff9c8a8c5dbaae09092e37d1617e5964
[INFO] running `Command { std: "docker" "start" "-a" "07a2cb8955976040774ad2eefd3fe07dff9c8a8c5dbaae09092e37d1617e5964", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling hdf5-types v0.8.1
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling hdf5 v0.8.1
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling hdf5-derive v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling hdf5-sys 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.28s
[INFO] running `Command { std: "docker" "inspect" "07a2cb8955976040774ad2eefd3fe07dff9c8a8c5dbaae09092e37d1617e5964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a2cb8955976040774ad2eefd3fe07dff9c8a8c5dbaae09092e37d1617e5964", kill_on_drop: false }`
[INFO] [stdout] 07a2cb8955976040774ad2eefd3fe07dff9c8a8c5dbaae09092e37d1617e5964