[INFO] updating cached repository https://github.com/notdanilo/lunachallenges
[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] b6046f75c2d6b7294f443fd44fcdff218459c3b8
[INFO] testing notdanilo/lunachallenges against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotdanilo%2Flunachallenges" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notdanilo/lunachallenges on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/notdanilo/lunachallenges
[INFO] finished tweaking git repo https://github.com/notdanilo/lunachallenges
[INFO] tweaked toml for git repo https://github.com/notdanilo/lunachallenges written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/notdanilo/lunachallenges already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 432e6bfb7c89a49a3c6175c4ba69f7f950a0c328959b00ab20013b9b78e3ae60
[INFO] running `"docker" "start" "-a" "432e6bfb7c89a49a3c6175c4ba69f7f950a0c328959b00ab20013b9b78e3ae60"`
[INFO] [stderr]    Compiling challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/weakset.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         (match lhs {
[INFO] [stderr] 38 | |             Some(left) => {
[INFO] [stderr] 39 | |                 match rhs {
[INFO] [stderr] 40 | |                     Some(right) => left == right,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |             }
[INFO] [stderr] 50 | |         })
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 |         match lhs {
[INFO] [stderr] 38 |             Some(left) => {
[INFO] [stderr] 39 |                 match rhs {
[INFO] [stderr] 40 |                     Some(right) => left == right,
[INFO] [stderr] 41 |                     None => false
[INFO] [stderr] 42 |                 }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "432e6bfb7c89a49a3c6175c4ba69f7f950a0c328959b00ab20013b9b78e3ae60"`
[INFO] running `"docker" "rm" "-f" "432e6bfb7c89a49a3c6175c4ba69f7f950a0c328959b00ab20013b9b78e3ae60"`
[INFO] [stdout] 432e6bfb7c89a49a3c6175c4ba69f7f950a0c328959b00ab20013b9b78e3ae60
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 29f54ceaee6222c14a8912ca940238fc2443842e43850bbafa9686a2e2535021
[INFO] running `"docker" "start" "-a" "29f54ceaee6222c14a8912ca940238fc2443842e43850bbafa9686a2e2535021"`
[INFO] [stderr]    Compiling challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/weakset.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         (match lhs {
[INFO] [stderr] 38 | |             Some(left) => {
[INFO] [stderr] 39 | |                 match rhs {
[INFO] [stderr] 40 | |                     Some(right) => left == right,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |             }
[INFO] [stderr] 50 | |         })
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 |         match lhs {
[INFO] [stderr] 38 |             Some(left) => {
[INFO] [stderr] 39 |                 match rhs {
[INFO] [stderr] 40 |                     Some(right) => left == right,
[INFO] [stderr] 41 |                     None => false
[INFO] [stderr] 42 |                 }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "29f54ceaee6222c14a8912ca940238fc2443842e43850bbafa9686a2e2535021"`
[INFO] running `"docker" "rm" "-f" "29f54ceaee6222c14a8912ca940238fc2443842e43850bbafa9686a2e2535021"`
[INFO] [stdout] 29f54ceaee6222c14a8912ca940238fc2443842e43850bbafa9686a2e2535021
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcb6fbee282f1a4fb120f984658b5124c140119cdb225b214c080a18c55f0f83
[INFO] running `"docker" "start" "-a" "bcb6fbee282f1a4fb120f984658b5124c140119cdb225b214c080a18c55f0f83"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/weakset.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 | /         (match lhs {
[INFO] [stderr] 38 | |             Some(left) => {
[INFO] [stderr] 39 | |                 match rhs {
[INFO] [stderr] 40 | |                     Some(right) => left == right,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |             }
[INFO] [stderr] 50 | |         })
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 37 |         match lhs {
[INFO] [stderr] 38 |             Some(left) => {
[INFO] [stderr] 39 |                 match rhs {
[INFO] [stderr] 40 |                     Some(right) => left == right,
[INFO] [stderr] 41 |                     None => false
[INFO] [stderr] 42 |                 }
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/challenge-4bc3e43d43aaaac4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test extstructs::tests::access ... ok
[INFO] [stdout] test weakset::tests::ins_n_rem ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bcb6fbee282f1a4fb120f984658b5124c140119cdb225b214c080a18c55f0f83"`
[INFO] running `"docker" "rm" "-f" "bcb6fbee282f1a4fb120f984658b5124c140119cdb225b214c080a18c55f0f83"`
[INFO] [stdout] bcb6fbee282f1a4fb120f984658b5124c140119cdb225b214c080a18c55f0f83