[INFO] fetching crate users 0.10.0...
[INFO] checking users-0.10.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate users 0.10.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate users 0.10.0 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 users 0.10.0
[INFO] finished tweaking crates.io crate users 0.10.0
[INFO] tweaked toml for crates.io crate users 0.10.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate users 0.10.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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: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] 4290a7fc2262399394d0b2f7e9fbb410731baf783b0a0104f466c0070c3c1b1c
[INFO] running `Command { std: "docker" "start" "-a" "4290a7fc2262399394d0b2f7e9fbb410731baf783b0a0104f466c0070c3c1b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4290a7fc2262399394d0b2f7e9fbb410731baf783b0a0104f466c0070c3c1b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4290a7fc2262399394d0b2f7e9fbb410731baf783b0a0104f466c0070c3c1b1c", kill_on_drop: false }`
[INFO] [stdout] 4290a7fc2262399394d0b2f7e9fbb410731baf783b0a0104f466c0070c3c1b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3057a553a7b7652debff1c309008d7d4dd2ab594d7f8ba1f1a6e056199d9e763
[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" "3057a553a7b7652debff1c309008d7d4dd2ab594d7f8ba1f1a6e056199d9e763", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking users v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trivial numeric cast: `u32` as `u32`
[INFO] [stdout]    --> src/base.rs:758:46
[INFO] [stdout]     |
[INFO] [stdout] 758 |             .filter_map(|i| get_group_by_gid(i as gid_t))
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![warn(trivial_numeric_casts)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trivial numeric cast: `u32` as `u32`
[INFO] [stdout]    --> src/base.rs:758:46
[INFO] [stdout]     |
[INFO] [stdout] 758 |             .filter_map(|i| get_group_by_gid(i as gid_t))
[INFO] [stdout]     |                                              ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:4:9
[INFO] [stdout]     |
[INFO] [stdout] 4   | #![warn(trivial_numeric_casts)]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "3057a553a7b7652debff1c309008d7d4dd2ab594d7f8ba1f1a6e056199d9e763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3057a553a7b7652debff1c309008d7d4dd2ab594d7f8ba1f1a6e056199d9e763", kill_on_drop: false }`
[INFO] [stdout] 3057a553a7b7652debff1c309008d7d4dd2ab594d7f8ba1f1a6e056199d9e763
