[INFO] cloning repository https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f401c83cd84bb049e0d801d1e472b93fe56551c
[INFO] checking YashwanthKothakota9/Rust_Fundamentals_Threads against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads
[INFO] finished tweaking git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads
[INFO] tweaked toml for git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 388ce9a745b3066081e516b8ebd125bbf20d97198970010f7cc6b46177491c3c
[INFO] running `Command { std: "docker" "start" "-a" "388ce9a745b3066081e516b8ebd125bbf20d97198970010f7cc6b46177491c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "388ce9a745b3066081e516b8ebd125bbf20d97198970010f7cc6b46177491c3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388ce9a745b3066081e516b8ebd125bbf20d97198970010f7cc6b46177491c3c", kill_on_drop: false }`
[INFO] [stdout] 388ce9a745b3066081e516b8ebd125bbf20d97198970010f7cc6b46177491c3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105c8b8ebd5e3ff05d3b3c216cf10e6eacbaf823891d3dff433d591a9dc866d4
[INFO] running `Command { std: "docker" "start" "-a" "105c8b8ebd5e3ff05d3b3c216cf10e6eacbaf823891d3dff433d591a9dc866d4", kill_on_drop: false }`
[INFO] [stderr]     Checking atomic_counter v0.1.0 (/opt/rustwide/workdir/atomic_counter)
[INFO] [stderr]     Checking atomic_counter_timed v0.1.0 (/opt/rustwide/workdir/atomic_counter_timed)
[INFO] [stderr]     Checking mutexes v0.1.0 (/opt/rustwide/workdir/mutexes)
[INFO] [stderr]     Checking Liveweek2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_builder v0.1.0 (/opt/rustwide/workdir/thread_builder)
[INFO] [stderr]     Checking read_write v0.1.0 (/opt/rustwide/workdir/read_write)
[INFO] [stderr]     Checking sending_functions v0.1.0 (/opt/rustwide/workdir/sending_functions)
[INFO] [stderr]     Checking FirstThread v0.1.0 (/opt/rustwide/workdir/FirstThread)
[INFO] [stderr]     Checking dashmap v6.0.1
[INFO] [stderr]     Checking rayon_scopes v0.1.0 (/opt/rustwide/workdir/rayon_scopes)
[INFO] [stderr]     Checking rayon_example v0.1.0 (/opt/rustwide/workdir/rayon_example)
[INFO] [stderr]     Checking DivideWork v0.1.0 (/opt/rustwide/workdir/DivideWork)
[INFO] [stderr]     Checking sending_func v0.1.0 (/opt/rustwide/workdir/sending_func)
[INFO] [stderr]     Checking mpsc_channel v0.1.0 (/opt/rustwide/workdir/mpsc_channel)
[INFO] [stderr]     Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/scoped_threads)
[INFO] [stdout] warning: function `hello_thread` is never used
[INFO] [stdout]  --> FirstThread/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_thread(n: u32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_pools` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn nested_pools() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rayon_broadcast` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn rayon_broadcast() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_thread` is never used
[INFO] [stdout]  --> FirstThread/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_thread(n: u32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_pools` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn nested_pools() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rayon_broadcast` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn rayon_broadcast() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lockfree_map v0.1.0 (/opt/rustwide/workdir/lockfree_map)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "105c8b8ebd5e3ff05d3b3c216cf10e6eacbaf823891d3dff433d591a9dc866d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105c8b8ebd5e3ff05d3b3c216cf10e6eacbaf823891d3dff433d591a9dc866d4", kill_on_drop: false }`
[INFO] [stdout] 105c8b8ebd5e3ff05d3b3c216cf10e6eacbaf823891d3dff433d591a9dc866d4
[INFO] checking YashwanthKothakota9/Rust_Fundamentals_Threads against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYashwanthKothakota9%2FRust_Fundamentals_Threads" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads
[INFO] finished tweaking git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads
[INFO] tweaked toml for git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/YashwanthKothakota9/Rust_Fundamentals_Threads already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a03ed8092e110ed29bd74c188a255e051d9f06f9d10cd2166ad8eddf0b61af3
[INFO] running `Command { std: "docker" "start" "-a" "2a03ed8092e110ed29bd74c188a255e051d9f06f9d10cd2166ad8eddf0b61af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a03ed8092e110ed29bd74c188a255e051d9f06f9d10cd2166ad8eddf0b61af3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a03ed8092e110ed29bd74c188a255e051d9f06f9d10cd2166ad8eddf0b61af3", kill_on_drop: false }`
[INFO] [stdout] 2a03ed8092e110ed29bd74c188a255e051d9f06f9d10cd2166ad8eddf0b61af3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74e343de030a2abc5a68274730c42a8f38d8f79504d0c2b27aa31667e76dd8d0
[INFO] running `Command { std: "docker" "start" "-a" "74e343de030a2abc5a68274730c42a8f38d8f79504d0c2b27aa31667e76dd8d0", kill_on_drop: false }`
[INFO] [stderr]     Checking mutexes v0.1.0 (/opt/rustwide/workdir/mutexes)
[INFO] [stderr]     Checking scoped_threads v0.1.0 (/opt/rustwide/workdir/scoped_threads)
[INFO] [stderr]     Checking sending_functions v0.1.0 (/opt/rustwide/workdir/sending_functions)
[INFO] [stderr]     Checking atomic_counter v0.1.0 (/opt/rustwide/workdir/atomic_counter)
[INFO] [stderr]     Checking atomic_counter_timed v0.1.0 (/opt/rustwide/workdir/atomic_counter_timed)
[INFO] [stderr]     Checking read_write v0.1.0 (/opt/rustwide/workdir/read_write)
[INFO] [stderr]     Checking sending_func v0.1.0 (/opt/rustwide/workdir/sending_func)
[INFO] [stderr]     Checking DivideWork v0.1.0 (/opt/rustwide/workdir/DivideWork)
[INFO] [stderr]     Checking Liveweek2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_builder v0.1.0 (/opt/rustwide/workdir/thread_builder)
[INFO] [stderr]     Checking dashmap v6.0.1
[INFO] [stderr]     Checking FirstThread v0.1.0 (/opt/rustwide/workdir/FirstThread)
[INFO] [stderr]     Checking rayon_scopes v0.1.0 (/opt/rustwide/workdir/rayon_scopes)
[INFO] [stderr]     Checking rayon_example v0.1.0 (/opt/rustwide/workdir/rayon_example)
[INFO] [stderr]     Checking mpsc_channel v0.1.0 (/opt/rustwide/workdir/mpsc_channel)
[INFO] [stdout] warning: function `nested_pools` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn nested_pools() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rayon_broadcast` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn rayon_broadcast() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_thread` is never used
[INFO] [stdout]  --> FirstThread/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_thread(n: u32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_pools` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn nested_pools() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rayon_broadcast` is never used
[INFO] [stdout]   --> rayon_scopes/src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn rayon_broadcast() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_thread` is never used
[INFO] [stdout]  --> FirstThread/src/main.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn hello_thread(n: u32) {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lockfree_map v0.1.0 (/opt/rustwide/workdir/lockfree_map)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "74e343de030a2abc5a68274730c42a8f38d8f79504d0c2b27aa31667e76dd8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e343de030a2abc5a68274730c42a8f38d8f79504d0c2b27aa31667e76dd8d0", kill_on_drop: false }`
[INFO] [stdout] 74e343de030a2abc5a68274730c42a8f38d8f79504d0c2b27aa31667e76dd8d0