[INFO] fetching crate sixarm_collections 1.1.1...
[INFO] checking sixarm_collections-1.1.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate sixarm_collections 1.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate sixarm_collections 1.1.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sixarm_collections 1.1.1
[INFO] finished tweaking crates.io crate sixarm_collections 1.1.1
[INFO] tweaked toml for crates.io crate sixarm_collections 1.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6639f5377fd81c50c221767004dcaa8d8a2a0dc2022e0557dbf1ed0395704ead
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6639f5377fd81c50c221767004dcaa8d8a2a0dc2022e0557dbf1ed0395704ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6639f5377fd81c50c221767004dcaa8d8a2a0dc2022e0557dbf1ed0395704ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6639f5377fd81c50c221767004dcaa8d8a2a0dc2022e0557dbf1ed0395704ead", kill_on_drop: false }`
[INFO] [stdout] 6639f5377fd81c50c221767004dcaa8d8a2a0dc2022e0557dbf1ed0395704ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab1719f5e021311fd3952a83c09999f70b48da0a2be1196194b55fd4e6dff84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ab1719f5e021311fd3952a83c09999f70b48da0a2be1196194b55fd4e6dff84", kill_on_drop: false }`
[INFO] [stderr]     Checking sixarm_assert v1.1.1
[INFO] [stderr]     Checking sixarm_collections v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sixarm_assert::*`
[INFO] [stdout]    --> src/btree_map_of_file_len_to_set_of_path_buf.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use sixarm_assert::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sixarm_assert::*`
[INFO] [stdout]    --> src/hash_map_of_file_len_to_set_of_path_buf.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     use sixarm_assert::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "5ab1719f5e021311fd3952a83c09999f70b48da0a2be1196194b55fd4e6dff84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab1719f5e021311fd3952a83c09999f70b48da0a2be1196194b55fd4e6dff84", kill_on_drop: false }`
[INFO] [stdout] 5ab1719f5e021311fd3952a83c09999f70b48da0a2be1196194b55fd4e6dff84