[INFO] fetching crate testing 0.3.1...
[INFO] checking testing-0.3.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate testing 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate testing 0.3.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate testing 0.3.1
[INFO] finished tweaking crates.io crate testing 0.3.1
[INFO] tweaked toml for crates.io crate testing 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5f6c0b13c54aae383a5387b328f397b7e3ccf50319a3ec6ab3aa6175e947d31b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5f6c0b13c54aae383a5387b328f397b7e3ccf50319a3ec6ab3aa6175e947d31b"`
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling pmutil v0.3.0
[INFO] [stderr]     Checking string_cache v0.7.4
[INFO] [stderr]    Compiling swc_macros_common v0.2.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling ast_node v0.4.2
[INFO] [stderr]     Checking swc_common v0.3.1
[INFO] [stderr]     Checking testing v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:88:32
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn print_left_right(left: &Debug, right: &Debug) -> String {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:88:47
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn print_left_right(left: &Debug, right: &Debug) -> String {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:18
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn print(t: &Debug) -> String {
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:88:32
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn print_left_right(left: &Debug, right: &Debug) -> String {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:88:47
[INFO] [stderr]    |
[INFO] [stderr] 88 | pub fn print_left_right(left: &Debug, right: &Debug) -> String {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:18
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn print(t: &Debug) -> String {
[INFO] [stderr]    |                  ^^^^^ help: use `dyn`: `dyn Debug`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.38s
[INFO] running `"docker" "inspect" "5f6c0b13c54aae383a5387b328f397b7e3ccf50319a3ec6ab3aa6175e947d31b"`
[INFO] running `"docker" "rm" "-f" "5f6c0b13c54aae383a5387b328f397b7e3ccf50319a3ec6ab3aa6175e947d31b"`
[INFO] [stdout] 5f6c0b13c54aae383a5387b328f397b7e3ccf50319a3ec6ab3aa6175e947d31b