[INFO] fetching crate rink-sandbox 0.6.1...
[INFO] testing rink-sandbox-0.6.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rink-sandbox 0.6.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rink-sandbox 0.6.1 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 crates.io crate rink-sandbox 0.6.1
[INFO] finished tweaking crates.io crate rink-sandbox 0.6.1
[INFO] tweaked toml for crates.io crate rink-sandbox 0.6.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate rink-sandbox 0.6.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.19
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded async-ctrlc v1.2.0
[INFO] [stderr]   Downloaded indenter v0.3.3
[INFO] [stderr]   Downloaded color-spantrace v0.1.6
[INFO] [stderr]   Downloaded displaydoc v0.2.1
[INFO] [stderr]   Downloaded tracing-error v0.1.2
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] [stderr]   Downloaded object v0.25.2
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded eyre v0.6.5
[INFO] [stderr]   Downloaded owo-colors v1.3.0
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ed654d09653bd0ed3147f3483f7dcfd4bf962c60c8ccb700c7fb8b47a06cdfcf
[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" "ed654d09653bd0ed3147f3483f7dcfd4bf962c60c8ccb700c7fb8b47a06cdfcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed654d09653bd0ed3147f3483f7dcfd4bf962c60c8ccb700c7fb8b47a06cdfcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed654d09653bd0ed3147f3483f7dcfd4bf962c60c8ccb700c7fb8b47a06cdfcf", kill_on_drop: false }`
[INFO] [stdout] ed654d09653bd0ed3147f3483f7dcfd4bf962c60c8ccb700c7fb8b47a06cdfcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb60df02e2fb5b3a61d92e382b7b7ea95c46c61ad22deff23471f04fecbb8570
[INFO] running `Command { std: "docker" "start" "-a" "fb60df02e2fb5b3a61d92e382b7b7ea95c46c61ad22deff23471f04fecbb8570", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling owo-colors v1.3.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling object v0.25.2
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling displaydoc v0.2.1
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling tracing-subscriber v0.2.18
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling color-spantrace v0.1.6
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling async-io v1.4.1
[INFO] [stderr]    Compiling async-process v1.1.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling color-eyre v0.5.11
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling ctrlc v3.1.9
[INFO] [stderr]    Compiling async-ctrlc v1.2.0
[INFO] [stderr]    Compiling rink-sandbox v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.12s
[INFO] running `Command { std: "docker" "inspect" "fb60df02e2fb5b3a61d92e382b7b7ea95c46c61ad22deff23471f04fecbb8570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb60df02e2fb5b3a61d92e382b7b7ea95c46c61ad22deff23471f04fecbb8570", kill_on_drop: false }`
[INFO] [stdout] fb60df02e2fb5b3a61d92e382b7b7ea95c46c61ad22deff23471f04fecbb8570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a8b8133a9349a5576296e6757f697f1d27548dd1ea071a7b87aad5c89c54b4a0
[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" "a8b8133a9349a5576296e6757f697f1d27548dd1ea071a7b87aad5c89c54b4a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rink-sandbox v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.36s
[INFO] running `Command { std: "docker" "inspect" "a8b8133a9349a5576296e6757f697f1d27548dd1ea071a7b87aad5c89c54b4a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8b8133a9349a5576296e6757f697f1d27548dd1ea071a7b87aad5c89c54b4a0", kill_on_drop: false }`
[INFO] [stdout] a8b8133a9349a5576296e6757f697f1d27548dd1ea071a7b87aad5c89c54b4a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 46318f0a64ef339a8537ad0281cd96a1768de0f7ffd0f8174d902262952ea816
[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" "46318f0a64ef339a8537ad0281cd96a1768de0f7ffd0f8174d902262952ea816", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rink_sandbox-908c44c7289d4c3b)
[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] [stderr]    Doc-tests rink-sandbox
[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" "46318f0a64ef339a8537ad0281cd96a1768de0f7ffd0f8174d902262952ea816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46318f0a64ef339a8537ad0281cd96a1768de0f7ffd0f8174d902262952ea816", kill_on_drop: false }`
[INFO] [stdout] 46318f0a64ef339a8537ad0281cd96a1768de0f7ffd0f8174d902262952ea816