[INFO] cloning repository https://github.com/estherlyoon/sum_vectors [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/estherlyoon/sum_vectors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festherlyoon%2Fsum_vectors", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festherlyoon%2Fsum_vectors'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5265ddbc03aa0d43363d61b5b1d86288f360a531 [INFO] checking estherlyoon/sum_vectors against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Festherlyoon%2Fsum_vectors" "/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/estherlyoon/sum_vectors on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/estherlyoon/sum_vectors [INFO] finished tweaking git repo https://github.com/estherlyoon/sum_vectors [INFO] tweaked toml for git repo https://github.com/estherlyoon/sum_vectors written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/estherlyoon/sum_vectors already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 061b06cc7e10e119248571cdde74fcc94f5a8a9700288b0c212830ccbb6b9665 [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" "061b06cc7e10e119248571cdde74fcc94f5a8a9700288b0c212830ccbb6b9665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "061b06cc7e10e119248571cdde74fcc94f5a8a9700288b0c212830ccbb6b9665", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "061b06cc7e10e119248571cdde74fcc94f5a8a9700288b0c212830ccbb6b9665", kill_on_drop: false }` [INFO] [stdout] 061b06cc7e10e119248571cdde74fcc94f5a8a9700288b0c212830ccbb6b9665 [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c322bc2a8eb66e37e1c0069743fbc83fa9e60c3f88a0c8372c291bedaf78e06d [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" "c322bc2a8eb66e37e1c0069743fbc83fa9e60c3f88a0c8372c291bedaf78e06d", kill_on_drop: false }` [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking sum_vectors v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/bin/crossbeam.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `parseargs` is never read [INFO] [stdout] --> src/main.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | let mut parseargs = 0.0; [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 `parseargs` is never read [INFO] [stdout] --> src/main.rs:11:6 [INFO] [stdout] | [INFO] [stdout] 11 | let mut parseargs = 0.0; [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 `write_out` is never read [INFO] [stdout] --> src/main.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | let mut write_out = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | let mut total = 0.0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | let mut time3 = Instant::now(); [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] warning: value assigned to `write_out` is never read [INFO] [stdout] --> src/main.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | let mut write_out = 0.0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `total` is never read [INFO] [stdout] --> src/main.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | let mut total = 0.0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | let mut time3 = Instant::now(); [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] warning: unused import: `std::env` [INFO] [stdout] --> src/bin/crossbeam.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/crossbeam.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut a = AtomicCell::new(5); [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] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of moved value: `a` [INFO] [stdout] --> src/bin/crossbeam.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 6 | let mut a = AtomicCell::new(5); [INFO] [stdout] | ----- move occurs because `a` has type `AtomicCell`, which does not implement the `Copy` trait [INFO] [stdout] 7 | [INFO] [stdout] 8 | thread::scope(|s| { [INFO] [stdout] | --- value moved into closure here [INFO] [stdout] 9 | s.spawn(|_| { [INFO] [stdout] | _________________- [INFO] [stdout] 10 | | a.store(6); [INFO] [stdout] 11 | | println!("{}", a.into_inner()); [INFO] [stdout] 12 | | }); [INFO] [stdout] | |_________- variable moved due to use in closure [INFO] [stdout] ... [INFO] [stdout] 15 | println!("{}", a.into_inner()); [INFO] [stdout] | ^ value used here after move [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `sum_vectors` [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] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/crossbeam.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut a = AtomicCell::new(5); [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: `a` [INFO] [stdout] --> src/bin/crossbeam.rs:15:17 [INFO] [stdout] | [INFO] [stdout] 6 | let mut a = AtomicCell::new(5); [INFO] [stdout] | ----- move occurs because `a` has type `AtomicCell`, which does not implement the `Copy` trait [INFO] [stdout] 7 | [INFO] [stdout] 8 | thread::scope(|s| { [INFO] [stdout] | --- value moved into closure here [INFO] [stdout] 9 | s.spawn(|_| { [INFO] [stdout] | _________________- [INFO] [stdout] 10 | | a.store(6); [INFO] [stdout] 11 | | println!("{}", a.into_inner()); [INFO] [stdout] 12 | | }); [INFO] [stdout] | |_________- variable moved due to use in closure [INFO] [stdout] ... [INFO] [stdout] 15 | println!("{}", a.into_inner()); [INFO] [stdout] | ^ value used here after move [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "c322bc2a8eb66e37e1c0069743fbc83fa9e60c3f88a0c8372c291bedaf78e06d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c322bc2a8eb66e37e1c0069743fbc83fa9e60c3f88a0c8372c291bedaf78e06d", kill_on_drop: false }` [INFO] [stdout] c322bc2a8eb66e37e1c0069743fbc83fa9e60c3f88a0c8372c291bedaf78e06d