[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] testing blue-emc2/book_16 against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblue-emc2%2Fbook_16" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blue-emc2/book_16 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-17/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" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d6bab55512d9fc428efa8ba51eb71ae868e6f6c850efbbe204e7fd4b8cc6be1
[INFO] running `Command { std: "docker" "start" "-a" "2d6bab55512d9fc428efa8ba51eb71ae868e6f6c850efbbe204e7fd4b8cc6be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d6bab55512d9fc428efa8ba51eb71ae868e6f6c850efbbe204e7fd4b8cc6be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6bab55512d9fc428efa8ba51eb71ae868e6f6c850efbbe204e7fd4b8cc6be1", kill_on_drop: false }`
[INFO] [stdout] 2d6bab55512d9fc428efa8ba51eb71ae868e6f6c850efbbe204e7fd4b8cc6be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83aaa75c2c5918eb0d02ef8135519994f6ade098f6a5f76ca1b8ed9bcfe18cfe
[INFO] running `Command { std: "docker" "start" "-a" "83aaa75c2c5918eb0d02ef8135519994f6ade098f6a5f76ca1b8ed9bcfe18cfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling book_16 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "83aaa75c2c5918eb0d02ef8135519994f6ade098f6a5f76ca1b8ed9bcfe18cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83aaa75c2c5918eb0d02ef8135519994f6ade098f6a5f76ca1b8ed9bcfe18cfe", kill_on_drop: false }`
[INFO] [stdout] 83aaa75c2c5918eb0d02ef8135519994f6ade098f6a5f76ca1b8ed9bcfe18cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6fa80e8c958e6111e54fd86318bfc44c55740f1d9e4f550cc3a23683c0abee3
[INFO] running `Command { std: "docker" "start" "-a" "f6fa80e8c958e6111e54fd86318bfc44c55740f1d9e4f550cc3a23683c0abee3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f6fa80e8c958e6111e54fd86318bfc44c55740f1d9e4f550cc3a23683c0abee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fa80e8c958e6111e54fd86318bfc44c55740f1d9e4f550cc3a23683c0abee3", kill_on_drop: false }`
[INFO] [stdout] f6fa80e8c958e6111e54fd86318bfc44c55740f1d9e4f550cc3a23683c0abee3