[INFO] fetching crate smallvec-stableunion 0.6.10...
[INFO] checking smallvec-stableunion-0.6.10 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate smallvec-stableunion 0.6.10 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate smallvec-stableunion 0.6.10 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 smallvec-stableunion 0.6.10
[INFO] finished tweaking crates.io crate smallvec-stableunion 0.6.10
[INFO] tweaked toml for crates.io crate smallvec-stableunion 0.6.10 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a24af022bc25c5e3a258933690bc7deab2b77b8e4915417272eb881b94622ed3
[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" "a24af022bc25c5e3a258933690bc7deab2b77b8e4915417272eb881b94622ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a24af022bc25c5e3a258933690bc7deab2b77b8e4915417272eb881b94622ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24af022bc25c5e3a258933690bc7deab2b77b8e4915417272eb881b94622ed3", kill_on_drop: false }`
[INFO] [stdout] a24af022bc25c5e3a258933690bc7deab2b77b8e4915417272eb881b94622ed3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b1d28c3665787c91d2a19dfb542986ff0536eb97672e627d7084e5779ca4cebc
[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" "b1d28c3665787c91d2a19dfb542986ff0536eb97672e627d7084e5779ca4cebc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking smallvec-stableunion v0.6.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:344:49
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 data: SmallVecData::from_inline(mem::uninitialized()),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:385:63
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 let mut data = SmallVecData::<A>::from_inline(mem::uninitialized());
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:589:55
[INFO] [stdout]     |
[INFO] [stdout] 589 |                 self.data = SmallVecData::from_inline(mem::uninitialized());
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:655:55
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 self.data = SmallVecData::from_inline(mem::uninitialized());
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:979:39
[INFO] [stdout]     |
[INFO] [stdout] 979 |                     let mut data: A = mem::uninitialized();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]     --> lib.rs:1547:9
[INFO] [stdout]      |
[INFO] [stdout] 1547 |     use std::rc::Rc;
[INFO] [stdout]      |         ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:344:49
[INFO] [stdout]     |
[INFO] [stdout] 344 |                 data: SmallVecData::from_inline(mem::uninitialized()),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:385:63
[INFO] [stdout]     |
[INFO] [stdout] 385 |                 let mut data = SmallVecData::<A>::from_inline(mem::uninitialized());
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:589:55
[INFO] [stdout]     |
[INFO] [stdout] 589 |                 self.data = SmallVecData::from_inline(mem::uninitialized());
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:655:55
[INFO] [stdout]     |
[INFO] [stdout] 655 |                 self.data = SmallVecData::from_inline(mem::uninitialized());
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> lib.rs:979:39
[INFO] [stdout]     |
[INFO] [stdout] 979 |                     let mut data: A = mem::uninitialized();
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.35s
[INFO] running `Command { std: "docker" "inspect" "b1d28c3665787c91d2a19dfb542986ff0536eb97672e627d7084e5779ca4cebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d28c3665787c91d2a19dfb542986ff0536eb97672e627d7084e5779ca4cebc", kill_on_drop: false }`
[INFO] [stdout] b1d28c3665787c91d2a19dfb542986ff0536eb97672e627d7084e5779ca4cebc