[INFO] cloning repository https://github.com/flox-examples/example-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flox-examples/example-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflox-examples%2Fexample-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflox-examples%2Fexample-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db4e8a1fc600226430aefd9764321606db16904e
[INFO] testing flox-examples/example-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%2Fflox-examples%2Fexample-rust" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flox-examples/example-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/flox-examples/example-rust
[INFO] finished tweaking git repo https://github.com/flox-examples/example-rust
[INFO] tweaked toml for git repo https://github.com/flox-examples/example-rust written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/flox-examples/example-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-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] b1b2bc65a11add55d2bcb601345635337b57cbe8dfbd4b940fdff580108906d4
[INFO] running `Command { std: "docker" "start" "-a" "b1b2bc65a11add55d2bcb601345635337b57cbe8dfbd4b940fdff580108906d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b2bc65a11add55d2bcb601345635337b57cbe8dfbd4b940fdff580108906d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b2bc65a11add55d2bcb601345635337b57cbe8dfbd4b940fdff580108906d4", kill_on_drop: false }`
[INFO] [stdout] b1b2bc65a11add55d2bcb601345635337b57cbe8dfbd4b940fdff580108906d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] d34d99e1082cfe6a15db5da6d9b2d1f45601ae103c4823cf68f13e8c754d5289
[INFO] running `Command { std: "docker" "start" "-a" "d34d99e1082cfe6a15db5da6d9b2d1f45601ae103c4823cf68f13e8c754d5289", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "d34d99e1082cfe6a15db5da6d9b2d1f45601ae103c4823cf68f13e8c754d5289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d34d99e1082cfe6a15db5da6d9b2d1f45601ae103c4823cf68f13e8c754d5289", kill_on_drop: false }`
[INFO] [stdout] d34d99e1082cfe6a15db5da6d9b2d1f45601ae103c4823cf68f13e8c754d5289
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] ff9d45cad22d050350b341c485ea005badf2eaeefe696832ace1475f0a206c14
[INFO] running `Command { std: "docker" "start" "-a" "ff9d45cad22d050350b341c485ea005badf2eaeefe696832ace1475f0a206c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ff9d45cad22d050350b341c485ea005badf2eaeefe696832ace1475f0a206c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9d45cad22d050350b341c485ea005badf2eaeefe696832ace1475f0a206c14", kill_on_drop: false }`
[INFO] [stdout] ff9d45cad22d050350b341c485ea005badf2eaeefe696832ace1475f0a206c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 0bb1e6df05b01d8a6010aeefc0ca303a7781d65f4a6d5c7e93e2a55e597b76bb
[INFO] running `Command { std: "docker" "start" "-a" "0bb1e6df05b01d8a6010aeefc0ca303a7781d65f4a6d5c7e93e2a55e597b76bb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_rust-1ed4e8ba7b9b1dab)
[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" "0bb1e6df05b01d8a6010aeefc0ca303a7781d65f4a6d5c7e93e2a55e597b76bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb1e6df05b01d8a6010aeefc0ca303a7781d65f4a6d5c7e93e2a55e597b76bb", kill_on_drop: false }`
[INFO] [stdout] 0bb1e6df05b01d8a6010aeefc0ca303a7781d65f4a6d5c7e93e2a55e597b76bb