[INFO] fetching crate flatty-base 0.1.0-rc.4...
[INFO] checking flatty-base-0.1.0-rc.4 against master#035b01b794602d5861daa43ac792f372f8981ed7 for 152214-denied-retry-0
[INFO] extracting crate flatty-base 0.1.0-rc.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate flatty-base 0.1.0-rc.4
[INFO] finished tweaking crates.io crate flatty-base 0.1.0-rc.4
[INFO] tweaked toml for crates.io crate flatty-base 0.1.0-rc.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatty-base 0.1.0-rc.4 on toolchain 035b01b794602d5861daa43ac792f372f8981ed7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "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" "+035b01b794602d5861daa43ac792f372f8981ed7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding stavec v0.3.0 (available: v0.4.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stavec v0.3.0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1366a3d392a4225c965f13871d48c78f929011d63c1c4811f50704c2c6fa6766
[INFO] running `Command { std: "docker" "start" "-a" "1366a3d392a4225c965f13871d48c78f929011d63c1c4811f50704c2c6fa6766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1366a3d392a4225c965f13871d48c78f929011d63c1c4811f50704c2c6fa6766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1366a3d392a4225c965f13871d48c78f929011d63c1c4811f50704c2c6fa6766", kill_on_drop: false }`
[INFO] [stdout] 1366a3d392a4225c965f13871d48c78f929011d63c1c4811f50704c2c6fa6766
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+035b01b794602d5861daa43ac792f372f8981ed7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51b07f83d7ce4b4bcb194a8734099367e8388fe60d59093a3ccfcfc31d5735a6
[INFO] running `Command { std: "docker" "start" "-a" "51b07f83d7ce4b4bcb194a8734099367e8388fe60d59093a3ccfcfc31d5735a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking stavec v0.3.0
[INFO] [stderr]     Checking flatty-base v0.1.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `type_list`
[INFO] [stdout]    --> src/utils/iter.rs:348:17
[INFO] [stdout]     |
[INFO] [stdout] 348 |     use super::{type_list, PosIter};
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "51b07f83d7ce4b4bcb194a8734099367e8388fe60d59093a3ccfcfc31d5735a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b07f83d7ce4b4bcb194a8734099367e8388fe60d59093a3ccfcfc31d5735a6", kill_on_drop: false }`
[INFO] [stdout] 51b07f83d7ce4b4bcb194a8734099367e8388fe60d59093a3ccfcfc31d5735a6