[INFO] fetching crate ceres 0.0.0...
[INFO] testing ceres-0.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ceres 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ceres 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 ceres 0.0.0
[INFO] finished tweaking crates.io crate ceres 0.0.0
[INFO] tweaked toml for crates.io crate ceres 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dfded26fbe349da04fd3bc6d9ff42e21d5c2b91c1a15b45e3952db32a4af4aaa
[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" "dfded26fbe349da04fd3bc6d9ff42e21d5c2b91c1a15b45e3952db32a4af4aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfded26fbe349da04fd3bc6d9ff42e21d5c2b91c1a15b45e3952db32a4af4aaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfded26fbe349da04fd3bc6d9ff42e21d5c2b91c1a15b45e3952db32a4af4aaa", kill_on_drop: false }`
[INFO] [stdout] dfded26fbe349da04fd3bc6d9ff42e21d5c2b91c1a15b45e3952db32a4af4aaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d68d2a6e7dbd00893a3e6f7d2aa4c3eb4d4f1467a874808018e3631744e3d968
[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" "d68d2a6e7dbd00893a3e6f7d2aa4c3eb4d4f1467a874808018e3631744e3d968", kill_on_drop: false }`
[INFO] [stderr]    Compiling ceres v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "d68d2a6e7dbd00893a3e6f7d2aa4c3eb4d4f1467a874808018e3631744e3d968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68d2a6e7dbd00893a3e6f7d2aa4c3eb4d4f1467a874808018e3631744e3d968", kill_on_drop: false }`
[INFO] [stdout] d68d2a6e7dbd00893a3e6f7d2aa4c3eb4d4f1467a874808018e3631744e3d968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cd284c4fed8b3bcc4800e4cbf2d5bf8dae24348e20bfb1972381d714b8a17a6a
[INFO] running `Command { std: "docker" "start" "-a" "cd284c4fed8b3bcc4800e4cbf2d5bf8dae24348e20bfb1972381d714b8a17a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ceres v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "cd284c4fed8b3bcc4800e4cbf2d5bf8dae24348e20bfb1972381d714b8a17a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd284c4fed8b3bcc4800e4cbf2d5bf8dae24348e20bfb1972381d714b8a17a6a", kill_on_drop: false }`
[INFO] [stdout] cd284c4fed8b3bcc4800e4cbf2d5bf8dae24348e20bfb1972381d714b8a17a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f185064ecfcc44459276d801981c03e94f707dfd72775bf88df29557603b694
[INFO] running `Command { std: "docker" "start" "-a" "3f185064ecfcc44459276d801981c03e94f707dfd72775bf88df29557603b694", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ceres-7e412c1247f0db1c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::ceres ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f185064ecfcc44459276d801981c03e94f707dfd72775bf88df29557603b694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f185064ecfcc44459276d801981c03e94f707dfd72775bf88df29557603b694", kill_on_drop: false }`
[INFO] [stdout] 3f185064ecfcc44459276d801981c03e94f707dfd72775bf88df29557603b694