[INFO] cloning repository https://github.com/craftytrickster/Dedupe-Contacts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/craftytrickster/Dedupe-Contacts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraftytrickster%2FDedupe-Contacts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraftytrickster%2FDedupe-Contacts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1e6f3a82be650d209e336160c240df950ffed7c
[INFO] checking craftytrickster/Dedupe-Contacts against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraftytrickster%2FDedupe-Contacts" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/craftytrickster/Dedupe-Contacts on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/craftytrickster/Dedupe-Contacts
[INFO] finished tweaking git repo https://github.com/craftytrickster/Dedupe-Contacts
[INFO] tweaked toml for git repo https://github.com/craftytrickster/Dedupe-Contacts written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/craftytrickster/Dedupe-Contacts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fst-levenshtein v0.2.1
[INFO] [stderr]   Downloaded fst v0.3.5
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fa8aa2d6056d407cce0dc418e8ae6e522219623f04a150aca437ac504be4d76
[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" "6fa8aa2d6056d407cce0dc418e8ae6e522219623f04a150aca437ac504be4d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fa8aa2d6056d407cce0dc418e8ae6e522219623f04a150aca437ac504be4d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fa8aa2d6056d407cce0dc418e8ae6e522219623f04a150aca437ac504be4d76", kill_on_drop: false }`
[INFO] [stdout] 6fa8aa2d6056d407cce0dc418e8ae6e522219623f04a150aca437ac504be4d76
[INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45fc82e3eba8d2fc5a15d7a5852770508223a942c7753045ba18026ccc544b38
[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" "45fc82e3eba8d2fc5a15d7a5852770508223a942c7753045ba18026ccc544b38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking fst-levenshtein v0.2.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking dedupe v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.70s
[INFO] running `Command { std: "docker" "inspect" "45fc82e3eba8d2fc5a15d7a5852770508223a942c7753045ba18026ccc544b38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45fc82e3eba8d2fc5a15d7a5852770508223a942c7753045ba18026ccc544b38", kill_on_drop: false }`
[INFO] [stdout] 45fc82e3eba8d2fc5a15d7a5852770508223a942c7753045ba18026ccc544b38