[INFO] fetching crate shack 0.1.1...
[INFO] testing shack-0.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate shack 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate shack 0.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shack 0.1.1
[INFO] finished tweaking crates.io crate shack 0.1.1
[INFO] tweaked toml for crates.io crate shack 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 877ce693f65abd11040400fc81fe7ba378420d81ace1b2fefdc5531f79fd376a
[INFO] running `Command { std: "docker" "start" "-a" "877ce693f65abd11040400fc81fe7ba378420d81ace1b2fefdc5531f79fd376a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "877ce693f65abd11040400fc81fe7ba378420d81ace1b2fefdc5531f79fd376a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "877ce693f65abd11040400fc81fe7ba378420d81ace1b2fefdc5531f79fd376a", kill_on_drop: false }`
[INFO] [stdout] 877ce693f65abd11040400fc81fe7ba378420d81ace1b2fefdc5531f79fd376a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa7a095012e03df5dd7beb83ae7687859d8e914ad2467931d43d8054e1205658
[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" "fa7a095012e03df5dd7beb83ae7687859d8e914ad2467931d43d8054e1205658", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling shack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.24s
[INFO] running `Command { std: "docker" "inspect" "fa7a095012e03df5dd7beb83ae7687859d8e914ad2467931d43d8054e1205658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7a095012e03df5dd7beb83ae7687859d8e914ad2467931d43d8054e1205658", kill_on_drop: false }`
[INFO] [stdout] fa7a095012e03df5dd7beb83ae7687859d8e914ad2467931d43d8054e1205658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] f432435cc301816a3079d563e1ae1f90e5852a05becac036d88fc925b45ae3cf
[INFO] running `Command { std: "docker" "start" "-a" "f432435cc301816a3079d563e1ae1f90e5852a05becac036d88fc925b45ae3cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling shack v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "f432435cc301816a3079d563e1ae1f90e5852a05becac036d88fc925b45ae3cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f432435cc301816a3079d563e1ae1f90e5852a05becac036d88fc925b45ae3cf", kill_on_drop: false }`
[INFO] [stdout] f432435cc301816a3079d563e1ae1f90e5852a05becac036d88fc925b45ae3cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 42805f198b8acd57344e7f655696a42046fbdfa20cef652711267343a2110670
[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" "42805f198b8acd57344e7f655696a42046fbdfa20cef652711267343a2110670", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shack-c69cf42fc4c35abb
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test database::delete_test ... ok
[INFO] [stdout] test database::test_save ... ok
[INFO] [stdout] test database::test_print_all_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "42805f198b8acd57344e7f655696a42046fbdfa20cef652711267343a2110670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42805f198b8acd57344e7f655696a42046fbdfa20cef652711267343a2110670", kill_on_drop: false }`
[INFO] [stdout] 42805f198b8acd57344e7f655696a42046fbdfa20cef652711267343a2110670