[INFO] cloning repository https://github.com/blue-emc2/book_16
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blue-emc2/book_16" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fbook_16", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fbook_16'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c922c135d876b5fb4ab0b451905b67d58e02063
[INFO] checking blue-emc2/book_16 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fbook_16" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blue-emc2/book_16 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blue-emc2/book_16
[INFO] finished tweaking git repo https://github.com/blue-emc2/book_16
[INFO] tweaked toml for git repo https://github.com/blue-emc2/book_16 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/blue-emc2/book_16 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 657710186a5ce9be6419c492193a9dca068d2cf9a041cecd9f53f2adde159dbf
[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" "657710186a5ce9be6419c492193a9dca068d2cf9a041cecd9f53f2adde159dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657710186a5ce9be6419c492193a9dca068d2cf9a041cecd9f53f2adde159dbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657710186a5ce9be6419c492193a9dca068d2cf9a041cecd9f53f2adde159dbf", kill_on_drop: false }`
[INFO] [stdout] 657710186a5ce9be6419c492193a9dca068d2cf9a041cecd9f53f2adde159dbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d4a5aa639111f8909207d84b7b186f98ab532af7a9d034687b468c2360dfe86
[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" "4d4a5aa639111f8909207d84b7b186f98ab532af7a9d034687b468c2360dfe86", kill_on_drop: false }`
[INFO] [stderr]     Checking book_16 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/spawn2.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `counter`
[INFO] [stdout]   --> examples/mutex1.rs:9:32
[INFO] [stdout]    |
[INFO] [stdout] 5  |   let counter = Mutex::new(0);
[INFO] [stdout]    |       ------- move occurs because `counter` has type `Mutex<i32>`, which does not implement the `Copy` trait
[INFO] [stdout] ...
[INFO] [stdout] 9  |     let handle = thread::spawn(move || {
[INFO] [stdout]    |                                ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stdout] 10 |       let mut num = counter.lock().unwrap();
[INFO] [stdout]    |                     ------- use occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `book_16`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4d4a5aa639111f8909207d84b7b186f98ab532af7a9d034687b468c2360dfe86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4a5aa639111f8909207d84b7b186f98ab532af7a9d034687b468c2360dfe86", kill_on_drop: false }`
[INFO] [stdout] 4d4a5aa639111f8909207d84b7b186f98ab532af7a9d034687b468c2360dfe86