[INFO] updating cached repository https://github.com/peter-wilkins-mayden/percolation
[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] 56392c28377f4d6615d990b0d4f7e36133a41822
[INFO] testing peter-wilkins-mayden/percolation against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-wilkins-mayden%2Fpercolation" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peter-wilkins-mayden/percolation 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/peter-wilkins-mayden/percolation
[INFO] finished tweaking git repo https://github.com/peter-wilkins-mayden/percolation
[INFO] tweaked toml for git repo https://github.com/peter-wilkins-mayden/percolation written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/peter-wilkins-mayden/percolation 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 64948524f8fa25f824f87a4acc8445f7e556d8ef173303af411a9e57ca035f71
[INFO] running `"docker" "start" "-a" "64948524f8fa25f824f87a4acc8445f7e556d8ef173303af411a9e57ca035f71"`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling perc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.27s
[INFO] running `"docker" "inspect" "64948524f8fa25f824f87a4acc8445f7e556d8ef173303af411a9e57ca035f71"`
[INFO] running `"docker" "rm" "-f" "64948524f8fa25f824f87a4acc8445f7e556d8ef173303af411a9e57ca035f71"`
[INFO] [stdout] 64948524f8fa25f824f87a4acc8445f7e556d8ef173303af411a9e57ca035f71
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0fe90635b4d85542a406721320c62918ca7f0b327920f30cf83db07863cd3206
[INFO] running `"docker" "start" "-a" "0fe90635b4d85542a406721320c62918ca7f0b327920f30cf83db07863cd3206"`
[INFO] [stderr]    Compiling perc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `corner_case`
[INFO] [stderr]    --> src/perc.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn corner_case() {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "0fe90635b4d85542a406721320c62918ca7f0b327920f30cf83db07863cd3206"`
[INFO] running `"docker" "rm" "-f" "0fe90635b4d85542a406721320c62918ca7f0b327920f30cf83db07863cd3206"`
[INFO] [stdout] 0fe90635b4d85542a406721320c62918ca7f0b327920f30cf83db07863cd3206
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85ea7e24179a68f6fab2e8d9c7e8c39f0fcac50bd30ca6cb2142c9bdd7e90311
[INFO] running `"docker" "start" "-a" "85ea7e24179a68f6fab2e8d9c7e8c39f0fcac50bd30ca6cb2142c9bdd7e90311"`
[INFO] [stderr] warning: function is never used: `corner_case`
[INFO] [stderr]    --> src/perc.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn corner_case() {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perc-3db6857fe2e577e8
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test perc::test::basics ... ok
[INFO] [stdout] test union_find::test::basics ... 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" "85ea7e24179a68f6fab2e8d9c7e8c39f0fcac50bd30ca6cb2142c9bdd7e90311"`
[INFO] running `"docker" "rm" "-f" "85ea7e24179a68f6fab2e8d9c7e8c39f0fcac50bd30ca6cb2142c9bdd7e90311"`
[INFO] [stdout] 85ea7e24179a68f6fab2e8d9c7e8c39f0fcac50bd30ca6cb2142c9bdd7e90311