[INFO] fetching crate librualg 0.2.0...
[INFO] testing librualg-0.2.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate librualg 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate librualg 0.2.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librualg 0.2.0
[INFO] finished tweaking crates.io crate librualg 0.2.0
[INFO] tweaked toml for crates.io crate librualg 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b68bf1ac94d96bf9614711fe00c4ff46fe55750b53ea8fa061d055b8ee6b92b5
[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" "b68bf1ac94d96bf9614711fe00c4ff46fe55750b53ea8fa061d055b8ee6b92b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b68bf1ac94d96bf9614711fe00c4ff46fe55750b53ea8fa061d055b8ee6b92b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68bf1ac94d96bf9614711fe00c4ff46fe55750b53ea8fa061d055b8ee6b92b5", kill_on_drop: false }`
[INFO] [stdout] b68bf1ac94d96bf9614711fe00c4ff46fe55750b53ea8fa061d055b8ee6b92b5
[INFO] running `Command { std: "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" "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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2639311330ec3ee2fd9c132c074deb2d18e5a86cccca8bbc277af3c0f01fae15
[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" "2639311330ec3ee2fd9c132c074deb2d18e5a86cccca8bbc277af3c0f01fae15", kill_on_drop: false }`
[INFO] [stderr]    Compiling librualg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "2639311330ec3ee2fd9c132c074deb2d18e5a86cccca8bbc277af3c0f01fae15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2639311330ec3ee2fd9c132c074deb2d18e5a86cccca8bbc277af3c0f01fae15", kill_on_drop: false }`
[INFO] [stdout] 2639311330ec3ee2fd9c132c074deb2d18e5a86cccca8bbc277af3c0f01fae15
[INFO] running `Command { std: "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" "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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2a2b2b48c0c5e231130e012e63c41d5af9265e04ad20a77c924c37e093bac03
[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" "d2a2b2b48c0c5e231130e012e63c41d5af9265e04ad20a77c924c37e093bac03", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling librualg v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> tests/string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> tests/binary_search.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "d2a2b2b48c0c5e231130e012e63c41d5af9265e04ad20a77c924c37e093bac03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a2b2b48c0c5e231130e012e63c41d5af9265e04ad20a77c924c37e093bac03", kill_on_drop: false }`
[INFO] [stdout] d2a2b2b48c0c5e231130e012e63c41d5af9265e04ad20a77c924c37e093bac03
[INFO] running `Command { std: "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" "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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea3505fe60b9a53ea7cb85c9ee544cd979055abce976a269b9a35cac8d97fd85
[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" "ea3505fe60b9a53ea7cb85c9ee544cd979055abce976a269b9a35cac8d97fd85", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> tests/string.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> tests/binary_search.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/librualg-49e734507f58dc6a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test binary_search::test_empty_container ... ok
[INFO] [stdout] test binary_search::test_upper_bound ... ok
[INFO] [stdout] test binary_search::test_lower_bound ... ok
[INFO] [stdout] test string::test_prefix_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/binary_search-297731d48b9d0196
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/string-00cde1291ca44f86
[INFO] [stdout] test binary_search ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test kmp ... ok
[INFO] [stdout] test kmp_first ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests librualg
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/string/mod.rs - string::kmp (line 3) ... ok
[INFO] [stdout] test src/string/mod.rs - string::kmp_first (line 32) ... ok
[INFO] [stdout] test src/binary_search/mod.rs - binary_search::upper_bound (line 37) ... ok
[INFO] [stdout] test src/binary_search/mod.rs - binary_search::lower_bound (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea3505fe60b9a53ea7cb85c9ee544cd979055abce976a269b9a35cac8d97fd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea3505fe60b9a53ea7cb85c9ee544cd979055abce976a269b9a35cac8d97fd85", kill_on_drop: false }`
[INFO] [stdout] ea3505fe60b9a53ea7cb85c9ee544cd979055abce976a269b9a35cac8d97fd85