[INFO] fetching crate makai_vcd_reader 0.1.0...
[INFO] checking makai_vcd_reader-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate makai_vcd_reader 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate makai_vcd_reader 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate makai_vcd_reader 0.1.0
[INFO] finished tweaking crates.io crate makai_vcd_reader 0.1.0
[INFO] tweaked toml for crates.io crate makai_vcd_reader 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 78 packages
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding logos v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding logos-derive v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding simple_logger v2.3.0 (latest: v4.3.3)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indiscriminant_impl v0.1.0
[INFO] [stderr]   Downloaded makai v0.1.0
[INFO] [stderr]   Downloaded indiscriminant_lib v0.1.0
[INFO] [stderr]   Downloaded indiscriminant v0.2.0
[INFO] [stderr]   Downloaded makai_waveform_db v0.1.0
[INFO] [stderr]   Downloaded simple_logger v2.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 401e103bdc20cfb40a8184804c0b723b8ff687b18da435b3660c7e6ce2bc5462
[INFO] running `Command { std: "docker" "start" "-a" "401e103bdc20cfb40a8184804c0b723b8ff687b18da435b3660c7e6ce2bc5462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "401e103bdc20cfb40a8184804c0b723b8ff687b18da435b3660c7e6ce2bc5462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401e103bdc20cfb40a8184804c0b723b8ff687b18da435b3660c7e6ce2bc5462", kill_on_drop: false }`
[INFO] [stdout] 401e103bdc20cfb40a8184804c0b723b8ff687b18da435b3660c7e6ce2bc5462
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bab028dec104a7eb23255f7f667891f7ed1cbec09b6264a5f965ee79b9c9303
[INFO] running `Command { std: "docker" "start" "-a" "0bab028dec104a7eb23255f7f667891f7ed1cbec09b6264a5f965ee79b9c9303", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling indiscriminant_lib v0.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking humansize v2.1.3
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking makai v0.1.0
[INFO] [stderr]    Compiling indiscriminant_impl v0.1.0
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking indiscriminant v0.2.0
[INFO] [stderr]     Checking makai_waveform_db v0.1.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking simple_logger v2.3.0
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking makai_vcd_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tests.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Io(io::Error),
[INFO] [stdout]    |     -- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Io(()),
[INFO] [stdout]    |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/tests.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Vcd(VcdError),
[INFO] [stdout]    |     --- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Vcd(()),
[INFO] [stdout]    |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "0bab028dec104a7eb23255f7f667891f7ed1cbec09b6264a5f965ee79b9c9303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bab028dec104a7eb23255f7f667891f7ed1cbec09b6264a5f965ee79b9c9303", kill_on_drop: false }`
[INFO] [stdout] 0bab028dec104a7eb23255f7f667891f7ed1cbec09b6264a5f965ee79b9c9303