[INFO] fetching crate users 0.10.0...
[INFO] checking users-0.10.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate users 0.10.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate users 0.10.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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-7/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2c161d7bd5b09e8a901890792d2702333accccdff970371b58dfd0c65012e2e
[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" "c2c161d7bd5b09e8a901890792d2702333accccdff970371b58dfd0c65012e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2c161d7bd5b09e8a901890792d2702333accccdff970371b58dfd0c65012e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c161d7bd5b09e8a901890792d2702333accccdff970371b58dfd0c65012e2e", kill_on_drop: false }`
[INFO] [stdout] c2c161d7bd5b09e8a901890792d2702333accccdff970371b58dfd0c65012e2e
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--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] 47c66de908e0e1519951fbaaf99f44a80021e40380fbd4056872f4420eed9625
[INFO] running `Command { std: "docker" "start" "-a" "47c66de908e0e1519951fbaaf99f44a80021e40380fbd4056872f4420eed9625", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling libc v0.2.68
[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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "47c66de908e0e1519951fbaaf99f44a80021e40380fbd4056872f4420eed9625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c66de908e0e1519951fbaaf99f44a80021e40380fbd4056872f4420eed9625", kill_on_drop: false }`
[INFO] [stdout] 47c66de908e0e1519951fbaaf99f44a80021e40380fbd4056872f4420eed9625