[INFO] crate doubts 0.1.0 is already in cache
[INFO] testing doubts-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate doubts 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate doubts 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 doubts 0.1.0
[INFO] finished tweaking crates.io crate doubts 0.1.0
[INFO] tweaked toml for crates.io crate doubts 0.1.0 written to /workspace/builds/worker-11/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] [stderr]     Blocking waiting for file lock on package cache
[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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] cf303a19fddc551003f20311a712251675a377d7ae8f9a5be04c40e749978cfd
[INFO] running `Command { std: "docker" "start" "-a" "cf303a19fddc551003f20311a712251675a377d7ae8f9a5be04c40e749978cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf303a19fddc551003f20311a712251675a377d7ae8f9a5be04c40e749978cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf303a19fddc551003f20311a712251675a377d7ae8f9a5be04c40e749978cfd", kill_on_drop: false }`
[INFO] [stdout] cf303a19fddc551003f20311a712251675a377d7ae8f9a5be04c40e749978cfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 01985c2478329bf8a7d75c2c3f1f6774b68f486a80be61f1c2b9a513f5315c58
[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" "01985c2478329bf8a7d75c2c3f1f6774b68f486a80be61f1c2b9a513f5315c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "01985c2478329bf8a7d75c2c3f1f6774b68f486a80be61f1c2b9a513f5315c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01985c2478329bf8a7d75c2c3f1f6774b68f486a80be61f1c2b9a513f5315c58", kill_on_drop: false }`
[INFO] [stdout] 01985c2478329bf8a7d75c2c3f1f6774b68f486a80be61f1c2b9a513f5315c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fba4afd2aab0c1ca54df9160ec95223fabfcde4a03e63cb4e2b0ea19b7399407
[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" "fba4afd2aab0c1ca54df9160ec95223fabfcde4a03e63cb4e2b0ea19b7399407", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "fba4afd2aab0c1ca54df9160ec95223fabfcde4a03e63cb4e2b0ea19b7399407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba4afd2aab0c1ca54df9160ec95223fabfcde4a03e63cb4e2b0ea19b7399407", kill_on_drop: false }`
[INFO] [stdout] fba4afd2aab0c1ca54df9160ec95223fabfcde4a03e63cb4e2b0ea19b7399407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e8b659e66e672efd6e26da6b706facbf5694c0b758638a7bbf05d2f2d940598c
[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" "e8b659e66e672efd6e26da6b706facbf5694c0b758638a7bbf05d2f2d940598c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/doubts-bd8d39a35c9b661c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests doubts
[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 6 tests
[INFO] [stdout] test src/lib.rs - assert_that (line 7) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 64) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 53) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 42) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 30) ... ok
[INFO] [stdout] test src/lib.rs - assert_that (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8b659e66e672efd6e26da6b706facbf5694c0b758638a7bbf05d2f2d940598c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b659e66e672efd6e26da6b706facbf5694c0b758638a7bbf05d2f2d940598c", kill_on_drop: false }`
[INFO] [stdout] e8b659e66e672efd6e26da6b706facbf5694c0b758638a7bbf05d2f2d940598c