[INFO] crate memoization 0.1.0 is already in cache
[INFO] testing memoization-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate memoization 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate memoization 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memoization 0.1.0
[INFO] finished tweaking crates.io crate memoization 0.1.0
[INFO] tweaked toml for crates.io crate memoization 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 135f0eea3597cba46f9276988a7c4e5affb4e4c48a66bb7e45f655095ae87d40
[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" "135f0eea3597cba46f9276988a7c4e5affb4e4c48a66bb7e45f655095ae87d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135f0eea3597cba46f9276988a7c4e5affb4e4c48a66bb7e45f655095ae87d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135f0eea3597cba46f9276988a7c4e5affb4e4c48a66bb7e45f655095ae87d40", kill_on_drop: false }`
[INFO] [stdout] 135f0eea3597cba46f9276988a7c4e5affb4e4c48a66bb7e45f655095ae87d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1437b91f15db0e2f87e85e05f549a4d362a9577a890dcb5a1b1e78cea54c7d17
[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" "1437b91f15db0e2f87e85e05f549a4d362a9577a890dcb5a1b1e78cea54c7d17", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `eq_str`
[INFO] [stdout]    --> src/lib.rs:258:8
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn eq_str(a: &str, b: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Testing`
[INFO] [stdout]    --> src/lib.rs:261:12
[INFO] [stdout]     |
[INFO] [stdout] 261 |     struct Testing<I:'static,O:Clone,F: Fn(I)->O> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "1437b91f15db0e2f87e85e05f549a4d362a9577a890dcb5a1b1e78cea54c7d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1437b91f15db0e2f87e85e05f549a4d362a9577a890dcb5a1b1e78cea54c7d17", kill_on_drop: false }`
[INFO] [stdout] 1437b91f15db0e2f87e85e05f549a4d362a9577a890dcb5a1b1e78cea54c7d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47b4b9ba8a2ec5d8f9864d5fda0f1a1aae8f1b2dcd26f9d8617ed93dd5953c4e
[INFO] running `Command { std: "docker" "start" "-a" "47b4b9ba8a2ec5d8f9864d5fda0f1a1aae8f1b2dcd26f9d8617ed93dd5953c4e", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `eq_str`
[INFO] [stdout]    --> src/lib.rs:258:8
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn eq_str(a: &str, b: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memoization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Testing`
[INFO] [stdout]    --> src/lib.rs:261:12
[INFO] [stdout]     |
[INFO] [stdout] 261 |     struct Testing<I:'static,O:Clone,F: Fn(I)->O> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "47b4b9ba8a2ec5d8f9864d5fda0f1a1aae8f1b2dcd26f9d8617ed93dd5953c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47b4b9ba8a2ec5d8f9864d5fda0f1a1aae8f1b2dcd26f9d8617ed93dd5953c4e", kill_on_drop: false }`
[INFO] [stdout] 47b4b9ba8a2ec5d8f9864d5fda0f1a1aae8f1b2dcd26f9d8617ed93dd5953c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22019ebc8d52f9fa1770cbd8a92eede5e3d7781581962e7ac8ca81cdf53b209b
[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" "22019ebc8d52f9fa1770cbd8a92eede5e3d7781581962e7ac8ca81cdf53b209b", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `eq_str`
[INFO] [stderr]    --> src/lib.rs:258:8
[INFO] [stderr]     |
[INFO] [stderr] 258 |     fn eq_str(a: &str, b: &str) -> bool {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Testing`
[INFO] [stderr]    --> src/lib.rs:261:12
[INFO] [stderr]     |
[INFO] [stderr] 261 |     struct Testing<I:'static,O:Clone,F: Fn(I)->O> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memoization-c453e3de152951a4
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_testing_pattern ... ok
[INFO] [stdout] test test::test_memoized_2 ... ok
[INFO] [stdout] test test::test_memoized_0 ... ok
[INFO] [stderr]    Doc-tests memoization
[INFO] [stdout] test test::test_memoized_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::is_initialized (line 152) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::new (line 69) ... ok
[INFO] [stdout] test src/lib.rs - Memoized (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::process (line 83) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::fetch (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::get (line 131) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22019ebc8d52f9fa1770cbd8a92eede5e3d7781581962e7ac8ca81cdf53b209b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22019ebc8d52f9fa1770cbd8a92eede5e3d7781581962e7ac8ca81cdf53b209b", kill_on_drop: false }`
[INFO] [stdout] 22019ebc8d52f9fa1770cbd8a92eede5e3d7781581962e7ac8ca81cdf53b209b