[INFO] crate mixed_ref 0.1.1 is already in cache
[INFO] testing mixed_ref-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate mixed_ref 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mixed_ref 0.1.1 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 mixed_ref 0.1.1
[INFO] finished tweaking crates.io crate mixed_ref 0.1.1
[INFO] tweaked toml for crates.io crate mixed_ref 0.1.1 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] [stdout] d5ab9fe680e07c9aeea5f41473a0a18d82bdf95f1c0e35ff1f5dfa8e60e116b7
[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" "d5ab9fe680e07c9aeea5f41473a0a18d82bdf95f1c0e35ff1f5dfa8e60e116b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5ab9fe680e07c9aeea5f41473a0a18d82bdf95f1c0e35ff1f5dfa8e60e116b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5ab9fe680e07c9aeea5f41473a0a18d82bdf95f1c0e35ff1f5dfa8e60e116b7", kill_on_drop: false }`
[INFO] [stdout] d5ab9fe680e07c9aeea5f41473a0a18d82bdf95f1c0e35ff1f5dfa8e60e116b7
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e0e7f20adbf85569bd90d4582d4a2d2b5df80d32813904a627dc01828b840b2
[INFO] running `Command { std: "docker" "start" "-a" "1e0e7f20adbf85569bd90d4582d4a2d2b5df80d32813904a627dc01828b840b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mixed_ref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "1e0e7f20adbf85569bd90d4582d4a2d2b5df80d32813904a627dc01828b840b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0e7f20adbf85569bd90d4582d4a2d2b5df80d32813904a627dc01828b840b2", kill_on_drop: false }`
[INFO] [stdout] 1e0e7f20adbf85569bd90d4582d4a2d2b5df80d32813904a627dc01828b840b2
[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] b3795d0f4d7b3de7c66ce35e6f72b9bfe7f95d7d29df5f57bcbb4d47e3476a9b
[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" "b3795d0f4d7b3de7c66ce35e6f72b9bfe7f95d7d29df5f57bcbb4d47e3476a9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mixed_ref v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b3795d0f4d7b3de7c66ce35e6f72b9bfe7f95d7d29df5f57bcbb4d47e3476a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3795d0f4d7b3de7c66ce35e6f72b9bfe7f95d7d29df5f57bcbb4d47e3476a9b", kill_on_drop: false }`
[INFO] [stdout] b3795d0f4d7b3de7c66ce35e6f72b9bfe7f95d7d29df5f57bcbb4d47e3476a9b
[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] b933ddebfef5de618a1637cdd55408481a0595ab7dfc2e88992a5b974e69d14a
[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" "b933ddebfef5de618a1637cdd55408481a0595ab7dfc2e88992a5b974e69d14a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mixed_ref-fb1e485f7b2b6882
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mixed_ref
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b933ddebfef5de618a1637cdd55408481a0595ab7dfc2e88992a5b974e69d14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b933ddebfef5de618a1637cdd55408481a0595ab7dfc2e88992a5b974e69d14a", kill_on_drop: false }`
[INFO] [stdout] b933ddebfef5de618a1637cdd55408481a0595ab7dfc2e88992a5b974e69d14a