[INFO] fetching crate bcder 0.7.3...
[INFO] checking bcder-0.7.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bcder 0.7.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bcder 0.7.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bcder 0.7.3
[INFO] finished tweaking crates.io crate bcder 0.7.3
[INFO] tweaked toml for crates.io crate bcder 0.7.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate bcder 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.8.0
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d32bbaa3179dea05d1224b790ef91fc328e5b2a78d9efadb1d50c8e2ce358b
[INFO] running `Command { std: "docker" "start" "-a" "c6d32bbaa3179dea05d1224b790ef91fc328e5b2a78d9efadb1d50c8e2ce358b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d32bbaa3179dea05d1224b790ef91fc328e5b2a78d9efadb1d50c8e2ce358b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d32bbaa3179dea05d1224b790ef91fc328e5b2a78d9efadb1d50c8e2ce358b", kill_on_drop: false }`
[INFO] [stdout] c6d32bbaa3179dea05d1224b790ef91fc328e5b2a78d9efadb1d50c8e2ce358b
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f8ca83bb30206af0ffe0991ece4e4ea46d9fef2dc6f711b9bce86404c97186
[INFO] running `Command { std: "docker" "start" "-a" "48f8ca83bb30206af0ffe0991ece4e4ea46d9fef2dc6f711b9bce86404c97186", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking bcder v0.7.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Mode` is imported redundantly
[INFO] [stdout]    --> src/int.rs:710:9
[INFO] [stdout]     |
[INFO] [stdout] 709 |     use super::*;
[INFO] [stdout]     |         -------- the item `Mode` is already imported here
[INFO] [stdout] 710 |     use crate::Mode;
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]    --> src/string/restricted.rs:545:9
[INFO] [stdout]     |
[INFO] [stdout] 544 |     use super::*;
[INFO] [stdout]     |         -------- the item `Bytes` is already imported here
[INFO] [stdout] 545 |     use bytes::Bytes;
[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 0.79s
[INFO] running `Command { std: "docker" "inspect" "48f8ca83bb30206af0ffe0991ece4e4ea46d9fef2dc6f711b9bce86404c97186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f8ca83bb30206af0ffe0991ece4e4ea46d9fef2dc6f711b9bce86404c97186", kill_on_drop: false }`
[INFO] [stdout] 48f8ca83bb30206af0ffe0991ece4e4ea46d9fef2dc6f711b9bce86404c97186