[INFO] fetching crate c_vec 1.3.3...
[INFO] checking c_vec-1.3.3 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate c_vec 1.3.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate c_vec 1.3.3 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate c_vec 1.3.3
[INFO] finished tweaking crates.io crate c_vec 1.3.3
[INFO] tweaked toml for crates.io crate c_vec 1.3.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fbbdf2d1bc7f228e8ac2556bf72fddc9ecb4c31002394dd561638b7690a8e0ae
[INFO] running `"docker" "start" "-a" "fbbdf2d1bc7f228e8ac2556bf72fddc9ecb4c31002394dd561638b7690a8e0ae"`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking c_vec v1.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     dtor: Option<Box<FnMut(*mut T)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(*mut T)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:70:22
[INFO] [stderr]    |
[INFO] [stderr] 70 |     dtor: Option<Box<FnMut(*mut T)>>
[INFO] [stderr]    |                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(*mut T)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "fbbdf2d1bc7f228e8ac2556bf72fddc9ecb4c31002394dd561638b7690a8e0ae"`
[INFO] running `"docker" "rm" "-f" "fbbdf2d1bc7f228e8ac2556bf72fddc9ecb4c31002394dd561638b7690a8e0ae"`
[INFO] [stdout] fbbdf2d1bc7f228e8ac2556bf72fddc9ecb4c31002394dd561638b7690a8e0ae