[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] testing heri/levenshtein_rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheri%2Flevenshtein_rust" "/workspace/builds/worker-47/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-47/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heri/levenshtein_rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-47/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d01984a05574efc82ca75a01f95dd9b7b35367fc48687a4d709592084c71006
[INFO] running `Command { std: "docker" "start" "-a" "3d01984a05574efc82ca75a01f95dd9b7b35367fc48687a4d709592084c71006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d01984a05574efc82ca75a01f95dd9b7b35367fc48687a4d709592084c71006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d01984a05574efc82ca75a01f95dd9b7b35367fc48687a4d709592084c71006", kill_on_drop: false }`
[INFO] [stdout] 3d01984a05574efc82ca75a01f95dd9b7b35367fc48687a4d709592084c71006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de32b4fbfe59edb88c7c7d613db7a9a86dec4e610413e82b95d60e8d8ca8eb09
[INFO] running `Command { std: "docker" "start" "-a" "de32b4fbfe59edb88c7c7d613db7a9a86dec4e610413e82b95d60e8d8ca8eb09", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling libcruby-sys v0.5.0
[INFO] [stderr]    Compiling cstr-macro v0.1.0
[INFO] [stderr]    Compiling cslice v0.2.0
[INFO] [stderr]    Compiling helix v0.5.0
[INFO] [stderr]    Compiling levenshtein-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.65s
[INFO] running `Command { std: "docker" "inspect" "de32b4fbfe59edb88c7c7d613db7a9a86dec4e610413e82b95d60e8d8ca8eb09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de32b4fbfe59edb88c7c7d613db7a9a86dec4e610413e82b95d60e8d8ca8eb09", kill_on_drop: false }`
[INFO] [stdout] de32b4fbfe59edb88c7c7d613db7a9a86dec4e610413e82b95d60e8d8ca8eb09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d71bc0b5224a9a4f9ac2cd29563a7abb8bd924753925eafa568e40d746ccef00
[INFO] running `Command { std: "docker" "start" "-a" "d71bc0b5224a9a4f9ac2cd29563a7abb8bd924753925eafa568e40d746ccef00", kill_on_drop: false }`
[INFO] [stderr]    Compiling levenshtein-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "d71bc0b5224a9a4f9ac2cd29563a7abb8bd924753925eafa568e40d746ccef00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71bc0b5224a9a4f9ac2cd29563a7abb8bd924753925eafa568e40d746ccef00", kill_on_drop: false }`
[INFO] [stdout] d71bc0b5224a9a4f9ac2cd29563a7abb8bd924753925eafa568e40d746ccef00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9eaf588552c2757315d13a543d2756911552dd8434c600a3fc6dc9faaf7ebcb
[INFO] running `Command { std: "docker" "start" "-a" "f9eaf588552c2757315d13a543d2756911552dd8434c600a3fc6dc9faaf7ebcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/levenshtein_rust-8148c2a9f5c72d23)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9eaf588552c2757315d13a543d2756911552dd8434c600a3fc6dc9faaf7ebcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9eaf588552c2757315d13a543d2756911552dd8434c600a3fc6dc9faaf7ebcb", kill_on_drop: false }`
[INFO] [stdout] f9eaf588552c2757315d13a543d2756911552dd8434c600a3fc6dc9faaf7ebcb