[INFO] updating cached repository https://github.com/vijaykm2/TheRustProgrammingLanguageBook
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12d7c828497e7a2e1abfe923db877ef8c821c5e5
[INFO] testing vijaykm2/TheRustProgrammingLanguageBook against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaykm2%2FTheRustProgrammingLanguageBook" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vijaykm2/TheRustProgrammingLanguageBook 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 git repo https://github.com/vijaykm2/TheRustProgrammingLanguageBook
[INFO] finished tweaking git repo https://github.com/vijaykm2/TheRustProgrammingLanguageBook
[INFO] tweaked toml for git repo https://github.com/vijaykm2/TheRustProgrammingLanguageBook written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/vijaykm2/TheRustProgrammingLanguageBook already has a lockfile, it will not be regenerated
[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] 12c301ee6bd1c46b09fd562b604a7413cbc5972cfda1f6d5c48e661e7aa24b45
[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" "12c301ee6bd1c46b09fd562b604a7413cbc5972cfda1f6d5c48e661e7aa24b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12c301ee6bd1c46b09fd562b604a7413cbc5972cfda1f6d5c48e661e7aa24b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12c301ee6bd1c46b09fd562b604a7413cbc5972cfda1f6d5c48e661e7aa24b45", kill_on_drop: false }`
[INFO] [stdout] 12c301ee6bd1c46b09fd562b604a7413cbc5972cfda1f6d5c48e661e7aa24b45
[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] eb5936634cb0d956f2b2ddba6b2a1177d38b2ad8af237a2927f32f4999493382
[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" "eb5936634cb0d956f2b2ddba6b2a1177d38b2ad8af237a2927f32f4999493382", kill_on_drop: false }`
[INFO] [stderr]    Compiling TheRustProgrammingLanguageBook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `TheRustProgrammingLanguageBook` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `the_rust_programming_language_book`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "eb5936634cb0d956f2b2ddba6b2a1177d38b2ad8af237a2927f32f4999493382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5936634cb0d956f2b2ddba6b2a1177d38b2ad8af237a2927f32f4999493382", kill_on_drop: false }`
[INFO] [stdout] eb5936634cb0d956f2b2ddba6b2a1177d38b2ad8af237a2927f32f4999493382
[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] 392cc6ccc6c201526ae0ffcc245be4b839a85de3c68547300f09a312494c2bae
[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" "392cc6ccc6c201526ae0ffcc245be4b839a85de3c68547300f09a312494c2bae", kill_on_drop: false }`
[INFO] [stderr]    Compiling TheRustProgrammingLanguageBook v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `TheRustProgrammingLanguageBook` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `the_rust_programming_language_book`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "392cc6ccc6c201526ae0ffcc245be4b839a85de3c68547300f09a312494c2bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "392cc6ccc6c201526ae0ffcc245be4b839a85de3c68547300f09a312494c2bae", kill_on_drop: false }`
[INFO] [stdout] 392cc6ccc6c201526ae0ffcc245be4b839a85de3c68547300f09a312494c2bae
[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] 13ab9bc7c43eb629328da8b340ad001c9bc28d75bffcf876f61b31b0630fd076
[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" "13ab9bc7c43eb629328da8b340ad001c9bc28d75bffcf876f61b31b0630fd076", kill_on_drop: false }`
[INFO] [stderr] warning: crate `TheRustProgrammingLanguageBook` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `the_rust_programming_language_book`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/TheRustProgrammingLanguageBook-2f3b22f758bcaf6d
[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" "13ab9bc7c43eb629328da8b340ad001c9bc28d75bffcf876f61b31b0630fd076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13ab9bc7c43eb629328da8b340ad001c9bc28d75bffcf876f61b31b0630fd076", kill_on_drop: false }`
[INFO] [stdout] 13ab9bc7c43eb629328da8b340ad001c9bc28d75bffcf876f61b31b0630fd076