[INFO] fetching crate hashlru 0.1.0...
[INFO] testing hashlru-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate hashlru 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate hashlru 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashlru 0.1.0
[INFO] finished tweaking crates.io crate hashlru 0.1.0
[INFO] tweaked toml for crates.io crate hashlru 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2ec2e349e205f4239ec02e2100975077ed3c2b41af57c54454dba9670166dfd
[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" "f2ec2e349e205f4239ec02e2100975077ed3c2b41af57c54454dba9670166dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2ec2e349e205f4239ec02e2100975077ed3c2b41af57c54454dba9670166dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ec2e349e205f4239ec02e2100975077ed3c2b41af57c54454dba9670166dfd", kill_on_drop: false }`
[INFO] [stdout] f2ec2e349e205f4239ec02e2100975077ed3c2b41af57c54454dba9670166dfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c04e8f32b4444cc79a57c4526352b64b8761152618ff9c7717fd981e1d2affac
[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" "c04e8f32b4444cc79a57c4526352b64b8761152618ff9c7717fd981e1d2affac", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashlru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "c04e8f32b4444cc79a57c4526352b64b8761152618ff9c7717fd981e1d2affac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04e8f32b4444cc79a57c4526352b64b8761152618ff9c7717fd981e1d2affac", kill_on_drop: false }`
[INFO] [stdout] c04e8f32b4444cc79a57c4526352b64b8761152618ff9c7717fd981e1d2affac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13cb741f01dc6b3a069bd05d1c78c6c62900fb2d4bc6ca7b4b35551340517350
[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" "13cb741f01dc6b3a069bd05d1c78c6c62900fb2d4bc6ca7b4b35551340517350", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashlru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/base.rs:329:26
[INFO] [stdout]     |
[INFO] [stdout] 329 |                 for i in (0..n) {
[INFO] [stdout]     |                          ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/base.rs:337:26
[INFO] [stdout]     |
[INFO] [stdout] 337 |                 for i in (0..n) {
[INFO] [stdout]     |                          ^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "13cb741f01dc6b3a069bd05d1c78c6c62900fb2d4bc6ca7b4b35551340517350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cb741f01dc6b3a069bd05d1c78c6c62900fb2d4bc6ca7b4b35551340517350", kill_on_drop: false }`
[INFO] [stdout] 13cb741f01dc6b3a069bd05d1c78c6c62900fb2d4bc6ca7b4b35551340517350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f53adcd78c7c6d15e714a63f5312481f7aac29cad200a294a18c2a32d8bad06a
[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" "f53adcd78c7c6d15e714a63f5312481f7aac29cad200a294a18c2a32d8bad06a", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/base.rs:329:26
[INFO] [stderr]     |
[INFO] [stderr] 329 |                 for i in (0..n) {
[INFO] [stderr]     |                          ^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]    --> src/base.rs:337:26
[INFO] [stderr]     |
[INFO] [stderr] 337 |                 for i in (0..n) {
[INFO] [stderr]     |                          ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hashlru-f73262e17296ee81
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests hashlru
[INFO] [stdout] test base::tests::test_standard_map ... ok
[INFO] [stdout] test base::tests::test_iter ... ok
[INFO] [stdout] test base::tests::test_lru5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/base.rs - base::HashLru<K, V>::len (line 50) ... ok
[INFO] [stdout] test src/base.rs - base::HashLru<K, V>::get (line 177) ... ok
[INFO] [stdout] test src/base.rs - base::HashLru<K, V>::insert (line 150) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f53adcd78c7c6d15e714a63f5312481f7aac29cad200a294a18c2a32d8bad06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53adcd78c7c6d15e714a63f5312481f7aac29cad200a294a18c2a32d8bad06a", kill_on_drop: false }`
[INFO] [stdout] f53adcd78c7c6d15e714a63f5312481f7aac29cad200a294a18c2a32d8bad06a