[INFO] cloning repository https://github.com/osheari1/rustbook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osheari1/rustbook" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosheari1%2Frustbook", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosheari1%2Frustbook'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5e7c5da7a195de367a83e1683385ee390d079da
[INFO] testing osheari1/rustbook against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosheari1%2Frustbook" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osheari1/rustbook on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/osheari1/rustbook
[INFO] finished tweaking git repo https://github.com/osheari1/rustbook
[INFO] tweaked toml for git repo https://github.com/osheari1/rustbook written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/osheari1/rustbook already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50a127904daa69bdd60dd2d6c65d2eb551edb34cca8eb4d5a9737471186c6eab
[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" "50a127904daa69bdd60dd2d6c65d2eb551edb34cca8eb4d5a9737471186c6eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a127904daa69bdd60dd2d6c65d2eb551edb34cca8eb4d5a9737471186c6eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a127904daa69bdd60dd2d6c65d2eb551edb34cca8eb4d5a9737471186c6eab", kill_on_drop: false }`
[INFO] [stdout] 50a127904daa69bdd60dd2d6c65d2eb551edb34cca8eb4d5a9737471186c6eab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c945f8bc190cb6ee50a01ebfdca5b2d2020d1c72fc32b4b473bf87d3f01a5a8
[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" "8c945f8bc190cb6ee50a01ebfdca5b2d2020d1c72fc32b4b473bf87d3f01a5a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "8c945f8bc190cb6ee50a01ebfdca5b2d2020d1c72fc32b4b473bf87d3f01a5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c945f8bc190cb6ee50a01ebfdca5b2d2020d1c72fc32b4b473bf87d3f01a5a8", kill_on_drop: false }`
[INFO] [stdout] 8c945f8bc190cb6ee50a01ebfdca5b2d2020d1c72fc32b4b473bf87d3f01a5a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 87019911d97608e95c05a55d236447b3a1416df132595897e4c1cb2548b73557
[INFO] running `Command { std: "docker" "start" "-a" "87019911d97608e95c05a55d236447b3a1416df132595897e4c1cb2548b73557", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "87019911d97608e95c05a55d236447b3a1416df132595897e4c1cb2548b73557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87019911d97608e95c05a55d236447b3a1416df132595897e4c1cb2548b73557", kill_on_drop: false }`
[INFO] [stdout] 87019911d97608e95c05a55d236447b3a1416df132595897e4c1cb2548b73557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 9ed3b489e1c53b6cf807cac9ec5eecfc7a945b25f4921621625b80ca4947ec25
[INFO] running `Command { std: "docker" "start" "-a" "9ed3b489e1c53b6cf807cac9ec5eecfc7a945b25f4921621625b80ca4947ec25", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustbook-40858501dc070fd6
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustbook-cd31f15029236ee4
[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; finished in 0.01s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustbook
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/common_programming_concepts/variables_mutability.rs - common_programming_concepts::variables_mutability::run (line 16) ... ok
[INFO] [stdout] test src/structs/defining_instantiating.rs - structs::defining_instantiating::User (line 20) ... ok
[INFO] [stdout] test src/common_programming_concepts/variables_mutability.rs - common_programming_concepts::variables_mutability::run (line 8) ... ok
[INFO] [stdout] test src/structs/defining_instantiating.rs - structs::defining_instantiating::User (line 5) ... ok
[INFO] [stdout] test src/common_programming_concepts/variables_mutability.rs - common_programming_concepts::variables_mutability::run (line 23) ... ok
[INFO] [stdout] test src/enums_patternmatching/if_let.rs - enums_patternmatching::if_let::run (line 6) ... ok
[INFO] [stdout] test src/structs/defining_instantiating.rs - structs::defining_instantiating::User (line 35) ... ok
[INFO] [stdout] test src/ownership/slices.rs - ownership::slices::run (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ed3b489e1c53b6cf807cac9ec5eecfc7a945b25f4921621625b80ca4947ec25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed3b489e1c53b6cf807cac9ec5eecfc7a945b25f4921621625b80ca4947ec25", kill_on_drop: false }`
[INFO] [stdout] 9ed3b489e1c53b6cf807cac9ec5eecfc7a945b25f4921621625b80ca4947ec25