[INFO] cloning repository https://github.com/nathansizemore/keep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathansizemore/keep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathansizemore%2Fkeep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathansizemore%2Fkeep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fca518ea9bf418b0ec0c962f6939b32d18d7515
[INFO] checking nathansizemore/keep against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathansizemore%2Fkeep" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathansizemore/keep on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathansizemore/keep
[INFO] finished tweaking git repo https://github.com/nathansizemore/keep
[INFO] tweaked toml for git repo https://github.com/nathansizemore/keep written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nathansizemore/keep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27ca0e3a380c6d82a0a532df7decde30bb899e41eb930deb85520b979b5b7245
[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" "27ca0e3a380c6d82a0a532df7decde30bb899e41eb930deb85520b979b5b7245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27ca0e3a380c6d82a0a532df7decde30bb899e41eb930deb85520b979b5b7245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27ca0e3a380c6d82a0a532df7decde30bb899e41eb930deb85520b979b5b7245", kill_on_drop: false }`
[INFO] [stdout] 27ca0e3a380c6d82a0a532df7decde30bb899e41eb930deb85520b979b5b7245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dec345ad45cbac7a4f55a33fb9c4bd9afdbdf160585b344807995f71845b6b1
[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" "6dec345ad45cbac7a4f55a33fb9c4bd9afdbdf160585b344807995f71845b6b1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling gcc v0.3.44
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking pad v0.1.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread-id v3.0.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.2
[INFO] [stderr]    Compiling sqlite3-src v0.2.6
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking sqlite3-sys v0.12.0
[INFO] [stderr]     Checking sqlite v0.23.4
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking keep v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/db.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / lazy_static! {
[INFO] [stdout] 23 | |     static ref DB_PATH_STR: String = {
[INFO] [stdout] 24 | |         // Check for custom install location
[INFO] [stdout] 25 | |         let custom_result = env::var(CUST_KEEP_DB);
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     };
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/db.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | / lazy_static! {
[INFO] [stdout] 23 | |     static ref DB_PATH_STR: String = {
[INFO] [stdout] 24 | |         // Check for custom install location
[INFO] [stdout] 25 | |         let custom_result = env::var(CUST_KEEP_DB);
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     };
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.36s
[INFO] running `Command { std: "docker" "inspect" "6dec345ad45cbac7a4f55a33fb9c4bd9afdbdf160585b344807995f71845b6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dec345ad45cbac7a4f55a33fb9c4bd9afdbdf160585b344807995f71845b6b1", kill_on_drop: false }`
[INFO] [stdout] 6dec345ad45cbac7a4f55a33fb9c4bd9afdbdf160585b344807995f71845b6b1