[INFO] fetching crate binarystream 1.1.4...
[INFO] checking binarystream-1.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate binarystream 1.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate binarystream 1.1.4 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 binarystream 1.1.4
[INFO] finished tweaking crates.io crate binarystream 1.1.4
[INFO] tweaked toml for crates.io crate binarystream 1.1.4 written to /workspace/builds/worker-4-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 31 packages
[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 napi-derive v2.16.1
[INFO] [stderr]   Downloaded napi-sys v2.3.0
[INFO] [stderr]   Downloaded ctor v0.2.7
[INFO] [stderr]   Downloaded napi-build v2.1.2
[INFO] [stderr]   Downloaded napi v2.16.1
[INFO] [stderr]   Downloaded napi-derive-backend v1.0.63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 215792649b15147e482aea0acaae9c25f098099d292f388c10cb5cf27f67a917
[INFO] running `Command { std: "docker" "start" "-a" "215792649b15147e482aea0acaae9c25f098099d292f388c10cb5cf27f67a917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215792649b15147e482aea0acaae9c25f098099d292f388c10cb5cf27f67a917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215792649b15147e482aea0acaae9c25f098099d292f388c10cb5cf27f67a917", kill_on_drop: false }`
[INFO] [stdout] 215792649b15147e482aea0acaae9c25f098099d292f388c10cb5cf27f67a917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9d893a097eecc66072be25b6113871868d4bd4ef05a15d34f1b455dc16bcf409
[INFO] running `Command { std: "docker" "start" "-a" "9d893a097eecc66072be25b6113871868d4bd4ef05a15d34f1b455dc16bcf409", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling napi-build v2.1.2
[INFO] [stderr]     Checking napi-sys v2.3.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling binarystream v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling napi-derive-backend v1.0.63
[INFO] [stderr]    Compiling ctor v0.2.7
[INFO] [stderr]     Checking napi v2.16.1
[INFO] [stderr]    Compiling napi-derive v2.16.1
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/stream/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use napi::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 | use napi::bindgen_prelude::*;
[INFO] [stdout]   |     ------------------------ the item `Result` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/stream/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use napi::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 3 | use napi::bindgen_prelude::*;
[INFO] [stdout]   |     ------------------------ the item `Result` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s
[INFO] running `Command { std: "docker" "inspect" "9d893a097eecc66072be25b6113871868d4bd4ef05a15d34f1b455dc16bcf409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d893a097eecc66072be25b6113871868d4bd4ef05a15d34f1b455dc16bcf409", kill_on_drop: false }`
[INFO] [stdout] 9d893a097eecc66072be25b6113871868d4bd4ef05a15d34f1b455dc16bcf409