[INFO] cloning repository https://github.com/miguelraz/kessels
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miguelraz/kessels" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelraz%2Fkessels", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelraz%2Fkessels'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32b7ae72ce6836e8061923d18b716e849f25ff00
[INFO] checking miguelraz/kessels against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiguelraz%2Fkessels" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miguelraz/kessels on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/miguelraz/kessels
[INFO] finished tweaking git repo https://github.com/miguelraz/kessels
[INFO] tweaked toml for git repo https://github.com/miguelraz/kessels written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/miguelraz/kessels already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fa8d0dded00fa750b03603be69ddd47abf3066aff705d053bd714e0211a9a51
[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" "9fa8d0dded00fa750b03603be69ddd47abf3066aff705d053bd714e0211a9a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa8d0dded00fa750b03603be69ddd47abf3066aff705d053bd714e0211a9a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa8d0dded00fa750b03603be69ddd47abf3066aff705d053bd714e0211a9a51", kill_on_drop: false }`
[INFO] [stdout] 9fa8d0dded00fa750b03603be69ddd47abf3066aff705d053bd714e0211a9a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e80edc2282db1ed984f9671c2ddd8a267c70d84a30575302321ade20b4fd4b7f
[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" "e80edc2282db1ed984f9671c2ddd8a267c70d84a30575302321ade20b4fd4b7f", kill_on_drop: false }`
[INFO] [stderr]     Checking kessels v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {}
[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] error[E0425]: cannot find function `work` in this scope
[INFO] [stdout]   --> src/lib.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |     assert_eq!(work::<i32>(), 55);
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `work` in this scope
[INFO] [stdout]   --> src/lib.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |     assert_eq!(work::<u32>(), 55);
[INFO] [stdout]    |                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kessels`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0434]: can't capture dynamic environment in a fn item
[INFO] [stdout]   --> src/main.rs:99:20
[INFO] [stdout]    |
[INFO] [stdout] 99 |         assert_eq!(nThreads * 55, sum)
[INFO] [stdout]    |                    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use the `|| { ... }` closure form instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0434]: can't capture dynamic environment in a fn item
[INFO] [stdout]   --> src/main.rs:99:35
[INFO] [stdout]    |
[INFO] [stdout] 99 |         assert_eq!(nThreads * 55, sum)
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: use the `|| { ... }` closure form instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `id` is never read
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             id = node % 2;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `local` is never read
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             local = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `sum` is never read
[INFO] [stdout]   --> src/main.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             sum += kessels::work1(1);
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `idThread` is never read
[INFO] [stdout]   --> src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             idThread = i;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `node` is never read
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 |             node = idThread + n;
[INFO] [stdout]    |             ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value captured by `id` is never read
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             id = node % 2;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `local`
[INFO] [stdout]   --> src/main.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             local = 0;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]   --> src/main.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             sum += kessels::work1(1);
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: did you mean to capture by reference instead?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc_edge`
[INFO] [stdout]   --> src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let arc_edge = Arc::new(edge);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc_edge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc_competing`
[INFO] [stdout]   --> src/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let arc_competing = Arc::new(competing);
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc_competing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arc_turn`
[INFO] [stdout]   --> src/main.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let arc_turn = Arc::new(turn);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `joinhandles`
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut joinhandles: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_joinhandles`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `work` in crate `kessels`
[INFO] [stdout]   --> tests/integration_test.rs:10:36
[INFO] [stdout]    |
[INFO] [stdout] 10 |         assert_eq!(500500,kessels::work(1));
[INFO] [stdout]    |                                    ^^^^ not found in `kessels`
[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 E0425`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0434`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut joinhandles: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `competing`
[INFO] [stdout]   --> src/main.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let mut competing = vec![vec![0 as i64; once]; 2]; // should be a 2 x v size array
[INFO] [stdout]    |         ------------- move occurs because `competing` has type `Vec<Vec<i64>>`, which does not implement the `Copy` trait
[INFO] [stdout] 36 |     let arc_competing = Arc::new(competing);
[INFO] [stdout]    |                                  --------- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 49 |         thread::spawn(move || {
[INFO] [stdout]    |                       ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stdout] ...
[INFO] [stdout] 66 |                 competing[node][id] = 1;
[INFO] [stdout]    |                 --------- use occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `turn`
[INFO] [stdout]   --> src/main.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut turn = vec![vec![0 as i64; once]; 2]; // should be a 2 x v size array :
[INFO] [stdout]    |         -------- move occurs because `turn` has type `Vec<Vec<i64>>`, which does not implement the `Copy` trait
[INFO] [stdout] 38 |     let arc_turn = Arc::new(turn);
[INFO] [stdout]    |                             ---- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 49 |         thread::spawn(move || {
[INFO] [stdout]    |                       ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stdout] ...
[INFO] [stdout] 69 |                 let temp: i64 = turn[node][1 - id] as i64;
[INFO] [stdout]    |                                 ---- use occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0382]: use of moved value: `edge`
[INFO] [stdout]   --> src/main.rs:49:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut edge = vec![0 as usize; once]; // Should be a 1 x v size vec
[INFO] [stdout]    |         -------- move occurs because `edge` has type `Vec<usize>`, which does not implement the `Copy` trait
[INFO] [stdout] 34 |     let arc_edge = Arc::new(edge);
[INFO] [stdout]    |                             ---- value moved here
[INFO] [stdout] ...
[INFO] [stdout] 49 |         thread::spawn(move || {
[INFO] [stdout]    |                       ^^^^^^^ value moved into closure here, in previous iteration of loop
[INFO] [stdout] ...
[INFO] [stdout] 79 |                 edge[node] = id;
[INFO] [stdout]    |                 ---- use occurs due to use in closure
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0382`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e80edc2282db1ed984f9671c2ddd8a267c70d84a30575302321ade20b4fd4b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80edc2282db1ed984f9671c2ddd8a267c70d84a30575302321ade20b4fd4b7f", kill_on_drop: false }`
[INFO] [stdout] e80edc2282db1ed984f9671c2ddd8a267c70d84a30575302321ade20b4fd4b7f
