[INFO] fetching crate sorted_containers 0.1.1...
[INFO] checking sorted_containers-0.1.1 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate sorted_containers 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sorted_containers 0.1.1 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sorted_containers 0.1.1
[INFO] finished tweaking crates.io crate sorted_containers 0.1.1
[INFO] tweaked toml for crates.io crate sorted_containers 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b472f04906d2fb87a4821a41caf79f476852e08a8ba175bc838548478b8252dc
[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" "b472f04906d2fb87a4821a41caf79f476852e08a8ba175bc838548478b8252dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b472f04906d2fb87a4821a41caf79f476852e08a8ba175bc838548478b8252dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b472f04906d2fb87a4821a41caf79f476852e08a8ba175bc838548478b8252dc", kill_on_drop: false }`
[INFO] [stdout] b472f04906d2fb87a4821a41caf79f476852e08a8ba175bc838548478b8252dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20ab5fc76311e10286d2c13376299437cbc0b61b0d15351c815944f3689fa063
[INFO] running `Command { std: "docker" "start" "-a" "20ab5fc76311e10286d2c13376299437cbc0b61b0d15351c815944f3689fa063", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking sorted_containers v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]  --> src/sorted_vec/vector.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     index: PosIndex,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `half`
[INFO] [stdout]   --> src/sorted_vec/vector.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     half: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]  --> src/sorted_vec/vector.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     index: PosIndex,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `half`
[INFO] [stdout]   --> src/sorted_vec/vector.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     half: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vec`
[INFO] [stdout]   --> benches/sorted_vec.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let vec = sorted.into_vec();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "20ab5fc76311e10286d2c13376299437cbc0b61b0d15351c815944f3689fa063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ab5fc76311e10286d2c13376299437cbc0b61b0d15351c815944f3689fa063", kill_on_drop: false }`
[INFO] [stdout] 20ab5fc76311e10286d2c13376299437cbc0b61b0d15351c815944f3689fa063