[INFO] cloning repository https://github.com/heri/levenshtein_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heri/levenshtein_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheri%2Flevenshtein_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheri%2Flevenshtein_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af67edaa75f223ab59b8dc34ea36410f48005b60
[INFO] checking heri/levenshtein_rust against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheri%2Flevenshtein_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heri/levenshtein_rust 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 git repo https://github.com/heri/levenshtein_rust
[INFO] finished tweaking git repo https://github.com/heri/levenshtein_rust
[INFO] tweaked toml for git repo https://github.com/heri/levenshtein_rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/heri/levenshtein_rust already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d2cc64f9321d72047496a798ccd20dcf3877250d1a73afe5e67da5a3d1d20ed1
[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" "d2cc64f9321d72047496a798ccd20dcf3877250d1a73afe5e67da5a3d1d20ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2cc64f9321d72047496a798ccd20dcf3877250d1a73afe5e67da5a3d1d20ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cc64f9321d72047496a798ccd20dcf3877250d1a73afe5e67da5a3d1d20ed1", kill_on_drop: false }`
[INFO] [stdout] d2cc64f9321d72047496a798ccd20dcf3877250d1a73afe5e67da5a3d1d20ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8f8ea19a1abb25d6e26a458d8f72543f94769d154744a800ac98cf8793fc9fc1
[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" "8f8ea19a1abb25d6e26a458d8f72543f94769d154744a800ac98cf8793fc9fc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling libcruby-sys v0.5.0
[INFO] [stderr]     Checking cstr-macro v0.1.0
[INFO] [stderr]     Checking helix v0.5.0
[INFO] [stderr]     Checking levenshtein-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "8f8ea19a1abb25d6e26a458d8f72543f94769d154744a800ac98cf8793fc9fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8ea19a1abb25d6e26a458d8f72543f94769d154744a800ac98cf8793fc9fc1", kill_on_drop: false }`
[INFO] [stdout] 8f8ea19a1abb25d6e26a458d8f72543f94769d154744a800ac98cf8793fc9fc1