[INFO] cloning repository https://github.com/j16r/mathtogenerics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j16r/mathtogenerics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj16r%2Fmathtogenerics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj16r%2Fmathtogenerics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf017178ee20c4f39ab108750858c1a0816ffd32
[INFO] testing j16r/mathtogenerics against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj16r%2Fmathtogenerics" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j16r/mathtogenerics on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j16r/mathtogenerics
[INFO] finished tweaking git repo https://github.com/j16r/mathtogenerics
[INFO] tweaked toml for git repo https://github.com/j16r/mathtogenerics written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/j16r/mathtogenerics already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb2a914aa9f5c9f18ec993bf74a68322fa1d01cca54cedce2d052699b99b2113
[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" "cb2a914aa9f5c9f18ec993bf74a68322fa1d01cca54cedce2d052699b99b2113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb2a914aa9f5c9f18ec993bf74a68322fa1d01cca54cedce2d052699b99b2113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb2a914aa9f5c9f18ec993bf74a68322fa1d01cca54cedce2d052699b99b2113", kill_on_drop: false }`
[INFO] [stdout] cb2a914aa9f5c9f18ec993bf74a68322fa1d01cca54cedce2d052699b99b2113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3643a00a724315df4596aef5f0530e31b261170da4204c4aa6e3018d2beab9b3
[INFO] running `Command { std: "docker" "start" "-a" "3643a00a724315df4596aef5f0530e31b261170da4204c4aa6e3018d2beab9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathtogenerics v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::test::Bencher`
[INFO] [stdout]  --> src/multiply.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `mathtogenerics`
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(test)]
[INFO] [stdout] 2 | |
[INFO] [stdout] 3 | | mod multiply;
[INFO] [stdout] 4 | | mod primes;
[INFO] [stdout]   | |___________^ consider adding a `main` function to `src/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: missing generics for trait `RandomAccessIterator`
[INFO] [stdout]   --> src/primes.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T> RandomAccessIterator for Vec<T> {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: trait defined here, with 1 generic parameter: `A`
[INFO] [stdout]   --> src/primes.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub trait RandomAccessIterator<A>: Iterator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T> RandomAccessIterator<A> for Vec<T> {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied
[INFO] [stdout]   --> src/primes.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn mark_sieve<I: RandomAccessIterator<Item=bool>>(iter: I, mut begin: usize, end: usize, factor: usize) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: trait defined here, with 1 generic parameter: `A`
[INFO] [stdout]   --> src/primes.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub trait RandomAccessIterator<A>: Iterator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ -
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn mark_sieve<I: RandomAccessIterator<A, Item=bool>>(iter: I, mut begin: usize, end: usize, factor: usize) {
[INFO] [stdout]    |                                       ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0554, E0601.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mathtogenerics`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3643a00a724315df4596aef5f0530e31b261170da4204c4aa6e3018d2beab9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3643a00a724315df4596aef5f0530e31b261170da4204c4aa6e3018d2beab9b3", kill_on_drop: false }`
[INFO] [stdout] 3643a00a724315df4596aef5f0530e31b261170da4204c4aa6e3018d2beab9b3
