[INFO] cloning repository https://github.com/Azgolar/matrix_multiplikation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Azgolar/matrix_multiplikation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzgolar%2Fmatrix_multiplikation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzgolar%2Fmatrix_multiplikation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2adc94833105d01f589e76a8cc18018bb9385ce4
[INFO] checking Azgolar/matrix_multiplikation against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAzgolar%2Fmatrix_multiplikation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Azgolar/matrix_multiplikation
[INFO] finished tweaking git repo https://github.com/Azgolar/matrix_multiplikation
[INFO] tweaked toml for git repo https://github.com/Azgolar/matrix_multiplikation written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Azgolar/matrix_multiplikation on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Azgolar/matrix_multiplikation 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 427ddeb6561008136736eb8efc1562bc742ee2eb8fa3965679851dfb0add03d6
[INFO] running `Command { std: "docker" "start" "-a" "427ddeb6561008136736eb8efc1562bc742ee2eb8fa3965679851dfb0add03d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "427ddeb6561008136736eb8efc1562bc742ee2eb8fa3965679851dfb0add03d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "427ddeb6561008136736eb8efc1562bc742ee2eb8fa3965679851dfb0add03d6", kill_on_drop: false }`
[INFO] [stdout] 427ddeb6561008136736eb8efc1562bc742ee2eb8fa3965679851dfb0add03d6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f11ba32b7276f2d8ad475cb86888eddf79b2491f5f7c0b30df84e165c30be79f
[INFO] running `Command { std: "docker" "start" "-a" "f11ba32b7276f2d8ad475cb86888eddf79b2491f5f7c0b30df84e165c30be79f", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking clap_builder v4.5.40
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking core_affinity v0.8.3
[INFO] [stderr]     Checking multiplikation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `crossbeam`
[INFO] [stdout]  --> src/algorithmen/crossbeam.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::{channel::unbounded, thread};
[INFO] [stdout]   |     ^^^^^^^^^ use of unresolved module or unlinked crate `crossbeam`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file src/algorithmen/crossbeam.rs, use `mod crossbeam` in this file to declare the module
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 + mod crossbeam;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crossbeam`
[INFO] [stdout]  --> src/algorithmen/crossbeam.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crossbeam::{channel::unbounded, thread};
[INFO] [stdout]   |     ^^^^^^^^^ help: a similar path exists: `super::crossbeam`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/algorithmen/crossbeam.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         sender.send(i).unwrap();
[INFO] [stdout]    |         ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/algorithmen/crossbeam.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let empfänger_kopie = empfänger.clone();
[INFO] [stdout]    |                                   ^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/algorithmen/crossbeam.rs:31:20
[INFO] [stdout]    |
[INFO] [stdout] 31 |     thread::scope(|s| {
[INFO] [stdout]    |                    ^
[INFO] [stdout] ...
[INFO] [stdout] 43 |             let handle = s.spawn(move |_| {
[INFO] [stdout]    |                          - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 31 |     thread::scope(|s: /* Type */| {
[INFO] [stdout]    |                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/algorithmen/crossbeam.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |                     let ende: usize = (anfang + zeilen).min(n);
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/algorithmen/crossbeam.rs:78:28
[INFO] [stdout]    |
[INFO] [stdout] 78 |             let rückgabe = h.join().unwrap();
[INFO] [stdout]    |                            ^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0433.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multiplikation` (lib) due to 7 previous errors
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f11ba32b7276f2d8ad475cb86888eddf79b2491f5f7c0b30df84e165c30be79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11ba32b7276f2d8ad475cb86888eddf79b2491f5f7c0b30df84e165c30be79f", kill_on_drop: false }`
[INFO] [stdout] f11ba32b7276f2d8ad475cb86888eddf79b2491f5f7c0b30df84e165c30be79f
