[INFO] cloning repository https://github.com/tbu-/chatread
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tbu-/chatread" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbu-%2Fchatread", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbu-%2Fchatread'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 878f5917640d8105102049676935138923713e5a
[INFO] checking tbu-/chatread against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbu-%2Fchatread" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tbu-/chatread on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tbu-/chatread
[INFO] finished tweaking git repo https://github.com/tbu-/chatread
[INFO] tweaked toml for git repo https://github.com/tbu-/chatread written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tbu-/chatread already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.4
[INFO] [stderr]   Downloaded buffer v0.1.8
[INFO] [stderr]   Downloaded mac v0.0.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37a573f0a35e47739b6c15f0d1f72bff72e038d0a2da59e8cc304213c204fb61
[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" "37a573f0a35e47739b6c15f0d1f72bff72e038d0a2da59e8cc304213c204fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a573f0a35e47739b6c15f0d1f72bff72e038d0a2da59e8cc304213c204fb61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a573f0a35e47739b6c15f0d1f72bff72e038d0a2da59e8cc304213c204fb61", kill_on_drop: false }`
[INFO] [stdout] 37a573f0a35e47739b6c15f0d1f72bff72e038d0a2da59e8cc304213c204fb61
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 8055d8926ecc8e637aa8669625148d9601b337a0d90a043b27054f7a0d2daf65
[INFO] running `Command { std: "docker" "start" "-a" "8055d8926ecc8e637aa8669625148d9601b337a0d90a043b27054f7a0d2daf65", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling readline-sys v0.0.1 (/opt/rustwide/workdir/sys)
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking buffer v0.1.8
[INFO] [stderr]     Checking chatread v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:279:23
[INFO] [stdout]     |
[INFO] [stdout] 279 |     if ALREADY_SET_UP.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:344:17
[INFO] [stdout]     |
[INFO] [stdout] 344 |     if !RUNNING.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:279:23
[INFO] [stdout]     |
[INFO] [stdout] 279 |     if ALREADY_SET_UP.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/lib.rs:344:17
[INFO] [stdout]     |
[INFO] [stdout] 344 |     if !RUNNING.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "8055d8926ecc8e637aa8669625148d9601b337a0d90a043b27054f7a0d2daf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8055d8926ecc8e637aa8669625148d9601b337a0d90a043b27054f7a0d2daf65", kill_on_drop: false }`
[INFO] [stdout] 8055d8926ecc8e637aa8669625148d9601b337a0d90a043b27054f7a0d2daf65