[INFO] crate ac 0.1.0 is already in cache
[INFO] testing ac-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate ac 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ac 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ac 0.1.0
[INFO] finished tweaking crates.io crate ac 0.1.0
[INFO] tweaked toml for crates.io crate ac 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", 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] ebe42bfde80cd6501a0d2fde09ec1a3a59dee58a3b27f4b585beb48a1e241174
[INFO] running `Command { std: "docker" "start" "-a" "ebe42bfde80cd6501a0d2fde09ec1a3a59dee58a3b27f4b585beb48a1e241174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe42bfde80cd6501a0d2fde09ec1a3a59dee58a3b27f4b585beb48a1e241174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe42bfde80cd6501a0d2fde09ec1a3a59dee58a3b27f4b585beb48a1e241174", kill_on_drop: false }`
[INFO] [stdout] ebe42bfde80cd6501a0d2fde09ec1a3a59dee58a3b27f4b585beb48a1e241174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3294c4431e94d5eb23cd6fd17536f50b21f29a01ff3535305de2f3bdf9e6496
[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" "a3294c4431e94d5eb23cd6fd17536f50b21f29a01ff3535305de2f3bdf9e6496", kill_on_drop: false }`
[INFO] [stderr]    Compiling ac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a3294c4431e94d5eb23cd6fd17536f50b21f29a01ff3535305de2f3bdf9e6496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3294c4431e94d5eb23cd6fd17536f50b21f29a01ff3535305de2f3bdf9e6496", kill_on_drop: false }`
[INFO] [stdout] a3294c4431e94d5eb23cd6fd17536f50b21f29a01ff3535305de2f3bdf9e6496
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8f9c686cab4fd1996b8c0ba0c9d6d9ce7a8966383fe050bc6b42d7dfd4cc783
[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" "c8f9c686cab4fd1996b8c0ba0c9d6d9ce7a8966383fe050bc6b42d7dfd4cc783", kill_on_drop: false }`
[INFO] [stderr]    Compiling ac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "c8f9c686cab4fd1996b8c0ba0c9d6d9ce7a8966383fe050bc6b42d7dfd4cc783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f9c686cab4fd1996b8c0ba0c9d6d9ce7a8966383fe050bc6b42d7dfd4cc783", kill_on_drop: false }`
[INFO] [stdout] c8f9c686cab4fd1996b8c0ba0c9d6d9ce7a8966383fe050bc6b42d7dfd4cc783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c94c8b7b17ced268e1c1703d0917a69f8b24dacc57dde1817a19f3f3fcdb9f80
[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" "c94c8b7b17ced268e1c1703d0917a69f8b24dacc57dde1817a19f3f3fcdb9f80", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ac-381bfcd52d6fc41c
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ac
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c94c8b7b17ced268e1c1703d0917a69f8b24dacc57dde1817a19f3f3fcdb9f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94c8b7b17ced268e1c1703d0917a69f8b24dacc57dde1817a19f3f3fcdb9f80", kill_on_drop: false }`
[INFO] [stdout] c94c8b7b17ced268e1c1703d0917a69f8b24dacc57dde1817a19f3f3fcdb9f80