[INFO] fetching crate vectors 0.3.0...
[INFO] checking vectors-0.3.0 against beta for pr-78714
[INFO] extracting crate vectors 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vectors 0.3.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vectors 0.3.0
[INFO] finished tweaking crates.io crate vectors 0.3.0
[INFO] tweaked toml for crates.io crate vectors 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c184a56253c96dba4fcb0b656a68c53b7312ba72b49be15aa89d6d1b79012b97
[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" "c184a56253c96dba4fcb0b656a68c53b7312ba72b49be15aa89d6d1b79012b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c184a56253c96dba4fcb0b656a68c53b7312ba72b49be15aa89d6d1b79012b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c184a56253c96dba4fcb0b656a68c53b7312ba72b49be15aa89d6d1b79012b97", kill_on_drop: false }`
[INFO] [stdout] c184a56253c96dba4fcb0b656a68c53b7312ba72b49be15aa89d6d1b79012b97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ac75091b69f2657d6ffaa673a4d1e1eba34dba21b95a2951967548094fc723
[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" "44ac75091b69f2657d6ffaa673a4d1e1eba34dba21b95a2951967548094fc723", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking expectest v0.9.2
[INFO] [stderr]     Checking ordered_iter v0.1.2
[INFO] [stderr]     Checking vectors v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dense/stack/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dense/heap/debug.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sparse/stack/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sparse/heap/debug.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dense/stack/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/dense/heap/debug.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sparse/stack/debug.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/sparse/heap/debug.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |             try! {
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "44ac75091b69f2657d6ffaa673a4d1e1eba34dba21b95a2951967548094fc723", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ac75091b69f2657d6ffaa673a4d1e1eba34dba21b95a2951967548094fc723", kill_on_drop: false }`
[INFO] [stdout] 44ac75091b69f2657d6ffaa673a4d1e1eba34dba21b95a2951967548094fc723