[INFO] fetching crate chainerror 0.4.3...
[INFO] checking chainerror-0.4.3 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate chainerror 0.4.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate chainerror 0.4.3 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate chainerror 0.4.3
[INFO] finished tweaking crates.io crate chainerror 0.4.3
[INFO] tweaked toml for crates.io crate chainerror 0.4.3 written to /workspace/builds/worker-8/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5d2a1d2a4ee371829e99fda2548345170ccce252620cd752d57e673bbdfd847
[INFO] running `"docker" "start" "-a" "b5d2a1d2a4ee371829e99fda2548345170ccce252620cd752d57e673bbdfd847"`
[INFO] [stderr]     Checking chainerror v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/test_iter.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn test_iter() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                  ^^^^^ help: use `dyn`: `dyn Error`
[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]   --> tests/test_iter.rs:34:40
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn test_find_cause() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test_iter.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn test_root_cause() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "b5d2a1d2a4ee371829e99fda2548345170ccce252620cd752d57e673bbdfd847"`
[INFO] running `"docker" "rm" "-f" "b5d2a1d2a4ee371829e99fda2548345170ccce252620cd752d57e673bbdfd847"`
[INFO] [stdout] b5d2a1d2a4ee371829e99fda2548345170ccce252620cd752d57e673bbdfd847