[INFO] fetching crate client 0.0.0...
[INFO] testing client-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate client 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate client 0.0.0 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 client 0.0.0
[INFO] finished tweaking crates.io crate client 0.0.0
[INFO] tweaked toml for crates.io crate client 0.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate client 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1c6eca285e0e2fbc3513b94632c19840e7059f01d71d6db1a7841b47194893ea
[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" "1c6eca285e0e2fbc3513b94632c19840e7059f01d71d6db1a7841b47194893ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6eca285e0e2fbc3513b94632c19840e7059f01d71d6db1a7841b47194893ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6eca285e0e2fbc3513b94632c19840e7059f01d71d6db1a7841b47194893ea", kill_on_drop: false }`
[INFO] [stdout] 1c6eca285e0e2fbc3513b94632c19840e7059f01d71d6db1a7841b47194893ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6f39c33e4d67fb789c070cf52e8a609ee589d8708612d015ec7aeb3ff6273efc
[INFO] running `Command { std: "docker" "start" "-a" "6f39c33e4d67fb789c070cf52e8a609ee589d8708612d015ec7aeb3ff6273efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6f39c33e4d67fb789c070cf52e8a609ee589d8708612d015ec7aeb3ff6273efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f39c33e4d67fb789c070cf52e8a609ee589d8708612d015ec7aeb3ff6273efc", kill_on_drop: false }`
[INFO] [stdout] 6f39c33e4d67fb789c070cf52e8a609ee589d8708612d015ec7aeb3ff6273efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10a84270f2bcc2db4e9e26cb3d3a4b410e61cd66372cda2533d8079269100059
[INFO] running `Command { std: "docker" "start" "-a" "10a84270f2bcc2db4e9e26cb3d3a4b410e61cd66372cda2533d8079269100059", kill_on_drop: false }`
[INFO] [stderr]    Compiling client v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "10a84270f2bcc2db4e9e26cb3d3a4b410e61cd66372cda2533d8079269100059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a84270f2bcc2db4e9e26cb3d3a4b410e61cd66372cda2533d8079269100059", kill_on_drop: false }`
[INFO] [stdout] 10a84270f2bcc2db4e9e26cb3d3a4b410e61cd66372cda2533d8079269100059
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3ae72d2f8bf6f35119cc227d763b9f7e82b88f5ad0cdab5e9aad6f3c65ebaa9e
[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" "3ae72d2f8bf6f35119cc227d763b9f7e82b88f5ad0cdab5e9aad6f3c65ebaa9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-fb98c9a4872a4919)
[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" "3ae72d2f8bf6f35119cc227d763b9f7e82b88f5ad0cdab5e9aad6f3c65ebaa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae72d2f8bf6f35119cc227d763b9f7e82b88f5ad0cdab5e9aad6f3c65ebaa9e", kill_on_drop: false }`
[INFO] [stdout] 3ae72d2f8bf6f35119cc227d763b9f7e82b88f5ad0cdab5e9aad6f3c65ebaa9e