[INFO] cloning repository https://github.com/CJTozer/rust_play
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CJTozer/rust_play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJTozer%2Frust_play"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJTozer%2Frust_play'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7791eb1a592913ed726e43c1ad9a35e855d42fc
[INFO] checking CJTozer/rust_play against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCJTozer%2Frust_play" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CJTozer/rust_play on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/CJTozer/rust_play
[INFO] finished tweaking git repo https://github.com/CJTozer/rust_play
[INFO] tweaked toml for git repo https://github.com/CJTozer/rust_play written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/CJTozer/rust_play already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7216ea8eef458aa8e96d637ac777d77abf33b7c09719e02882fecdf9766a515
[INFO] running `"docker" "start" "-a" "b7216ea8eef458aa8e96d637ac777d77abf33b7c09719e02882fecdf9766a515"`
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking timer v0.1.6
[INFO] [stderr]     Checking rusttest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     _watcher: Box<Watcher + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Watcher + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `DummyWatcher`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_DummyWatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Failed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:49:19
[INFO] [stderr]    |
[INFO] [stderr] 49 |     _watcher: Box<Watcher + 'a>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^ help: use `dyn`: `dyn Watcher + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DummyWatcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `DummyWatcher`
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_DummyWatcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     Failed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `DummyWatcher` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 DummyWatcher => Box::new(DummyWatcher::new(tx)),
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: convert the identifier to snake case: `dummy_watcher`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.73s
[INFO] running `"docker" "inspect" "b7216ea8eef458aa8e96d637ac777d77abf33b7c09719e02882fecdf9766a515"`
[INFO] running `"docker" "rm" "-f" "b7216ea8eef458aa8e96d637ac777d77abf33b7c09719e02882fecdf9766a515"`
[INFO] [stdout] b7216ea8eef458aa8e96d637ac777d77abf33b7c09719e02882fecdf9766a515