[INFO] fetching crate users 0.11.0...
[INFO] checking users-0.11.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate users 0.11.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate users 0.11.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate users 0.11.0
[INFO] finished tweaking crates.io crate users 0.11.0
[INFO] tweaked toml for crates.io crate users 0.11.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate users 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] e0b3298f473b6598763731c4e742f9875ec3016482a98e0fc41a1c169ac8350c
[INFO] running `Command { std: "docker" "start" "-a" "e0b3298f473b6598763731c4e742f9875ec3016482a98e0fc41a1c169ac8350c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b3298f473b6598763731c4e742f9875ec3016482a98e0fc41a1c169ac8350c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b3298f473b6598763731c4e742f9875ec3016482a98e0fc41a1c169ac8350c", kill_on_drop: false }`
[INFO] [stdout] e0b3298f473b6598763731c4e742f9875ec3016482a98e0fc41a1c169ac8350c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68e7a834445983542d07c148240c29f1893b362922288327b13f0fd1cb4523a6
[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" "68e7a834445983542d07c148240c29f1893b362922288327b13f0fd1cb4523a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking users v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trivial numeric cast: `u32` as `u32`
[INFO] [stdout]    --> src/base.rs:805:46
[INFO] [stdout]     |
[INFO] [stdout] 805 |             .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:805:46
[INFO] [stdout]     |
[INFO] [stdout] 805 |             .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 4.53s
[INFO] running `Command { std: "docker" "inspect" "68e7a834445983542d07c148240c29f1893b362922288327b13f0fd1cb4523a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e7a834445983542d07c148240c29f1893b362922288327b13f0fd1cb4523a6", kill_on_drop: false }`
[INFO] [stdout] 68e7a834445983542d07c148240c29f1893b362922288327b13f0fd1cb4523a6