[INFO] cloning repository https://github.com/lmj01/rust-meijie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lmj01/rust-meijie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmj01%2Frust-meijie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmj01%2Frust-meijie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 656e8c4860ed324f336c7b5ebebc2bfc0c232a54
[INFO] checking lmj01/rust-meijie against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flmj01%2Frust-meijie" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lmj01/rust-meijie on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lmj01/rust-meijie
[INFO] finished tweaking git repo https://github.com/lmj01/rust-meijie
[INFO] tweaked toml for git repo https://github.com/lmj01/rust-meijie written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lmj01/rust-meijie already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3004c6cc24af3f3542784343b04bafd6a637ced166b7532f11e43ab1275e93c4
[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" "3004c6cc24af3f3542784343b04bafd6a637ced166b7532f11e43ab1275e93c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3004c6cc24af3f3542784343b04bafd6a637ced166b7532f11e43ab1275e93c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3004c6cc24af3f3542784343b04bafd6a637ced166b7532f11e43ab1275e93c4", kill_on_drop: false }`
[INFO] [stdout] 3004c6cc24af3f3542784343b04bafd6a637ced166b7532f11e43ab1275e93c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTUP_TOOLCHAIN=3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 949ed48299539e92edee4ab2ebb268ecc4ee07e97b4225190d70ddf80c8109d3
[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" "949ed48299539e92edee4ab2ebb268ecc4ee07e97b4225190d70ddf80c8109d3", kill_on_drop: false }`
[INFO] [stderr]     Checking mjlib v0.1.0 (/opt/rustwide/workdir/mjlib)
[INFO] [stdout] warning: trait `animal` should have an upper camel case name
[INFO] [stdout]  --> mjlib/src/mjtrait/dyn_trait.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait animal {
[INFO] [stdout]   |           ^^^^^^ help: convert the identifier to upper camel case: `Animal`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `cat` should have an upper camel case name
[INFO] [stdout]  --> mjlib/src/mjtrait/dyn_trait.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct cat {
[INFO] [stdout]   |        ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `dog` should have an upper camel case name
[INFO] [stdout]   --> mjlib/src/mjtrait/dyn_trait.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct dog {
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper camel case: `Dog`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> mjlib/src/mjtrait/obj_trait.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn demo(x: Vec<Box<dyn Run>>) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> mjlib/src/mjtrait/bind_trait.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn test1<T: Run + Eat>(x: T) {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> mjlib/src/mjtrait/bind_trait.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn test2<T>(x: T) where T: Run + Eat {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test1`
[INFO] [stdout]   --> mjlib/src/mjtrait/bind_trait.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn test1<T: Run + Eat>(x: T) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test2`
[INFO] [stdout]   --> mjlib/src/mjtrait/bind_trait.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn test2<T>(x: T) where T: Run + Eat {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mjrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "949ed48299539e92edee4ab2ebb268ecc4ee07e97b4225190d70ddf80c8109d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949ed48299539e92edee4ab2ebb268ecc4ee07e97b4225190d70ddf80c8109d3", kill_on_drop: false }`
[INFO] [stdout] 949ed48299539e92edee4ab2ebb268ecc4ee07e97b4225190d70ddf80c8109d3