[INFO] updating cached repository https://github.com/jlgerber/packybara
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82c913a197be8000d4f818433fdac8905a257296
[INFO] checking jlgerber/packybara against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjlgerber%2Fpackybara" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jlgerber/packybara on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jlgerber/packybara
[INFO] finished tweaking git repo https://github.com/jlgerber/packybara
[INFO] tweaked toml for git repo https://github.com/jlgerber/packybara written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/jlgerber/rust-lspec.git`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] 65b146fffba8becc635ad2b8d70e8d555bff23ed0c7e3f07ec1b3befff38d5fc
[INFO] running `"docker" "start" "-a" "65b146fffba8becc635ad2b8d70e8d555bff23ed0c7e3f07ec1b3befff38d5fc"`
[INFO] [stderr]     Checking whoami v0.8.1
[INFO] [stderr]     Checking simple_xml_serialize v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking levelspec v0.10.0 (https://github.com/jlgerber/rust-lspec.git?tag=v0.10.0#021601f6)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling simple_xml_serialize_macro v0.2.1
[INFO] [stderr]     Checking packybara v0.53.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/db/find_all/revisions.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]   --> src/db/find_all/revisions.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde::Serialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.18s
[INFO] running `"docker" "inspect" "65b146fffba8becc635ad2b8d70e8d555bff23ed0c7e3f07ec1b3befff38d5fc"`
[INFO] running `"docker" "rm" "-f" "65b146fffba8becc635ad2b8d70e8d555bff23ed0c7e3f07ec1b3befff38d5fc"`
[INFO] [stdout] 65b146fffba8becc635ad2b8d70e8d555bff23ed0c7e3f07ec1b3befff38d5fc