[INFO] updating cached repository https://github.com/UnHumbleBen/rust-iterators
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3cf3a23bd75c89aa207dcfad058f12cdf89fac29
[INFO] testing UnHumbleBen/rust-iterators against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUnHumbleBen%2Frust-iterators" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UnHumbleBen/rust-iterators on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/UnHumbleBen/rust-iterators
[INFO] finished tweaking git repo https://github.com/UnHumbleBen/rust-iterators
[INFO] tweaked toml for git repo https://github.com/UnHumbleBen/rust-iterators written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/UnHumbleBen/rust-iterators already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 26a855ef38ca71bd8dccdaeb3ddc880fb8c837e36337e23c9d83778c38a56737
[INFO] running `"docker" "start" "-a" "26a855ef38ca71bd8dccdaeb3ddc880fb8c837e36337e23c9d83778c38a56737"`
[INFO] [stderr]    Compiling iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `shoes_in_my_size`
[INFO] [stderr]   --> src/lib.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn shoes_in_my_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new() -> Counter {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "26a855ef38ca71bd8dccdaeb3ddc880fb8c837e36337e23c9d83778c38a56737"`
[INFO] running `"docker" "rm" "-f" "26a855ef38ca71bd8dccdaeb3ddc880fb8c837e36337e23c9d83778c38a56737"`
[INFO] [stdout] 26a855ef38ca71bd8dccdaeb3ddc880fb8c837e36337e23c9d83778c38a56737
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a66596c7c6099253d23d2e4787941244b6909e957a9b954db8a2cb7d974cff8
[INFO] running `"docker" "start" "-a" "3a66596c7c6099253d23d2e4787941244b6909e957a9b954db8a2cb7d974cff8"`
[INFO] [stderr]    Compiling iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `shoes_in_my_size`
[INFO] [stderr]   --> src/lib.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn shoes_in_my_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new() -> Counter {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "3a66596c7c6099253d23d2e4787941244b6909e957a9b954db8a2cb7d974cff8"`
[INFO] running `"docker" "rm" "-f" "3a66596c7c6099253d23d2e4787941244b6909e957a9b954db8a2cb7d974cff8"`
[INFO] [stdout] 3a66596c7c6099253d23d2e4787941244b6909e957a9b954db8a2cb7d974cff8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stdout] 5b6a581eba7dad5f25064d6d26e0fdc50ceb284dc3931db9e95a780fa56f95d8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5b6a581eba7dad5f25064d6d26e0fdc50ceb284dc3931db9e95a780fa56f95d8"`
[INFO] [stderr] warning: function is never used: `shoes_in_my_size`
[INFO] [stderr]   --> src/lib.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn shoes_in_my_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new() -> Counter {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterator-930dbb1a7e51cf0b
[INFO] [stdout] test iterator_demonstration ... ok
[INFO] [stdout] test calling_next_directly ... ok
[INFO] [stdout] test using_other_iterator_trait_methods ... ok
[INFO] [stdout] test iterator_sum ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iterator-9b6f979501c14112
[INFO] [stdout] test filters_by_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iterator
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5b6a581eba7dad5f25064d6d26e0fdc50ceb284dc3931db9e95a780fa56f95d8"`
[INFO] running `"docker" "rm" "-f" "5b6a581eba7dad5f25064d6d26e0fdc50ceb284dc3931db9e95a780fa56f95d8"`
[INFO] [stdout] 5b6a581eba7dad5f25064d6d26e0fdc50ceb284dc3931db9e95a780fa56f95d8