[INFO] cloning repository https://github.com/Monojit7/rust-programming-with-crates
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Monojit7/rust-programming-with-crates" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonojit7%2Frust-programming-with-crates", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonojit7%2Frust-programming-with-crates'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 156f7d0745581cc07ee35657817f65b75277ed3f
[INFO] testing Monojit7/rust-programming-with-crates against 1.86.0 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonojit7%2Frust-programming-with-crates" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Monojit7/rust-programming-with-crates on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Monojit7/rust-programming-with-crates
[INFO] finished tweaking git repo https://github.com/Monojit7/rust-programming-with-crates
[INFO] tweaked toml for git repo https://github.com/Monojit7/rust-programming-with-crates written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 987842c822e3fe4577f211a20d385588ab7af9d61212a8b98e6ec0c9f3d042ac
[INFO] running `Command { std: "docker" "start" "-a" "987842c822e3fe4577f211a20d385588ab7af9d61212a8b98e6ec0c9f3d042ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "987842c822e3fe4577f211a20d385588ab7af9d61212a8b98e6ec0c9f3d042ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987842c822e3fe4577f211a20d385588ab7af9d61212a8b98e6ec0c9f3d042ac", kill_on_drop: false }`
[INFO] [stdout] 987842c822e3fe4577f211a20d385588ab7af9d61212a8b98e6ec0c9f3d042ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4f35cef91563b92018a06984b6e8b68e5d0d38edee7b89c77018758809728a
[INFO] running `Command { std: "docker" "start" "-a" "7d4f35cef91563b92018a06984b6e8b68e5d0d38edee7b89c77018758809728a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling notify_example_solution v0.1.0 (/opt/rustwide/workdir/notify/e/notify_example)
[INFO] [stderr]    Compiling oneshot_example_experiment v0.1.0 (/opt/rustwide/workdir/oneshot/b/oneshot_example)
[INFO] [stderr]    Compiling semaphore_example_solution v0.1.0 (/opt/rustwide/workdir/semaphore/e/semaphore_example)
[INFO] [stderr]    Compiling notify_example_experiment v0.1.0 (/opt/rustwide/workdir/notify/b/notify_example)
[INFO] [stderr]    Compiling spawning_tasks_example_solution v0.1.0 (/opt/rustwide/workdir/spawning/e/spawning_tasks_example_solution)
[INFO] [stderr]    Compiling semaphore_example_experiment v0.1.0 (/opt/rustwide/workdir/semaphore/b/semaphore_example)
[INFO] [stderr]    Compiling broadcast_example_experiment v0.1.0 (/opt/rustwide/workdir/broadcast/b/broadcast_example)
[INFO] [stderr]    Compiling spawning_tasks_example_experiment v0.1.0 (/opt/rustwide/workdir/spawning/b/spawning_tasks_example_experiment)
[INFO] [stderr]    Compiling barrier_example_experiment v0.1.0 (/opt/rustwide/workdir/barrier/b/barrier_example)
[INFO] [stderr]    Compiling broadcast_example_solution v0.1.0 (/opt/rustwide/workdir/broadcast/e/broadcast_example)
[INFO] [stderr]    Compiling mutex_example_solution v0.1.0 (/opt/rustwide/workdir/mutex/e/mutex_example)
[INFO] [stderr]    Compiling barrier_example_solution v0.1.0 (/opt/rustwide/workdir/barrier/e/barrier_example)
[INFO] [stderr]    Compiling mpsc_example_solution v0.1.0 (/opt/rustwide/workdir/mpsc/e/mpsc_example)
[INFO] [stderr]    Compiling mpsc_example_experiment v0.1.0 (/opt/rustwide/workdir/mpsc/b/mpsc_example)
[INFO] [stderr]    Compiling mutex_example_experiment v0.1.0 (/opt/rustwide/workdir/mutex/b/mutex_example)
[INFO] [stderr]    Compiling oneshot_example_solution v0.1.0 (/opt/rustwide/workdir/oneshot/e/oneshot_example)
[INFO] [stdout] warning: unused `Sleep` that must be used
[INFO] [stdout]   --> spawning/e/spawning_tasks_example_solution/src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     sleep(Duration::from_secs(1));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: futures do nothing unless you `.await` or poll them
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let _ = sleep(Duration::from_secs(1));
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rwlock_example_solution v0.1.0 (/opt/rustwide/workdir/rwlock/e/rwlock_example)
[INFO] [stderr]    Compiling rwlock_example_experiment v0.1.0 (/opt/rustwide/workdir/rwlock/b/rwlock_example)
[INFO] [stderr] error: could not compile `rwlock_example_experiment` (bin "rwlock_example_experiment")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name rwlock_example_experiment --edition=2021 rwlock/b/rwlock_example/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e72f68e0625cf1b9 -C extra-filename=-6d82fe100a364b89 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern tokio=/opt/rustwide/target/debug/deps/libtokio-541156d9502571ed.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `spawning_tasks_example_solution` (bin "spawning_tasks_example_solution"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.86.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name spawning_tasks_example_solution --edition=2021 spawning/e/spawning_tasks_example_solution/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=5014c3e8f8e44149 -C extra-filename=-c0b415a59f987f1b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern tokio=/opt/rustwide/target/debug/deps/libtokio-541156d9502571ed.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/tmp/rustcEKJ5II/symbols.o" "<6 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtokio-541156d9502571ed.rlib,libsignal_hook_registry-41e041c319103dc1.rlib,libsocket2-187c0c2879d62a61.rlib,libbytes-53d76ab935d5ce0b.rlib,libmio-cf0eb7d460e9285f.rlib,libparking_lot-b30e65b71d2a579d.rlib,libparking_lot_core-28c676a75e800f9e.rlib,liblibc-0bf5b5ecef990669.rlib,libcfg_if-da7e6a5cb20f1238.rlib,libsmallvec-ef5fbfb35728ada7.rlib,liblock_api-bc648ff866ed17cd.rlib,libscopeguard-0ff18b2ed8dae252.rlib,libpin_project_lite-b16a97cb545211fd.rlib}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,liballoc-*,librustc_std_workspace_core-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/mpsc_example_solution-1a80e8e300d1b7cc" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: collect2: fatal error: ld terminated with signal 9 [Killed]
[INFO] [stdout]           compilation terminated.
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mpsc_example_solution` (bin "mpsc_example_solution") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7d4f35cef91563b92018a06984b6e8b68e5d0d38edee7b89c77018758809728a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4f35cef91563b92018a06984b6e8b68e5d0d38edee7b89c77018758809728a", kill_on_drop: false }`
[INFO] [stdout] 7d4f35cef91563b92018a06984b6e8b68e5d0d38edee7b89c77018758809728a