[INFO] crate memoization 0.1.0 is already in cache
[INFO] testing memoization-0.1.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate memoization 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate memoization 0.1.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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=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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] 53a41eb03078f4dbf5390643e65b67b49865b9b221bd0dde00f138430e996e86
[INFO] running `"docker" "start" "-a" "53a41eb03078f4dbf5390643e65b67b49865b9b221bd0dde00f138430e996e86"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memoization v0.1.0 (/opt/rustwide/workdir)
[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 dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `"docker" "inspect" "53a41eb03078f4dbf5390643e65b67b49865b9b221bd0dde00f138430e996e86"`
[INFO] running `"docker" "rm" "-f" "53a41eb03078f4dbf5390643e65b67b49865b9b221bd0dde00f138430e996e86"`
[INFO] [stdout] 53a41eb03078f4dbf5390643e65b67b49865b9b221bd0dde00f138430e996e86
[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=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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "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] 4c030ec744a23dab36cd7ba4548222780dbfd3721e1a092a1aeef70407822389
[INFO] running `"docker" "start" "-a" "4c030ec744a23dab36cd7ba4548222780dbfd3721e1a092a1aeef70407822389"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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]    Compiling memoization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "4c030ec744a23dab36cd7ba4548222780dbfd3721e1a092a1aeef70407822389"`
[INFO] running `"docker" "rm" "-f" "4c030ec744a23dab36cd7ba4548222780dbfd3721e1a092a1aeef70407822389"`
[INFO] [stdout] 4c030ec744a23dab36cd7ba4548222780dbfd3721e1a092a1aeef70407822389
[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=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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stdout] ea3b2636d960cff3eb435ec1ca497475cd75629c19d00ad2bd945adf53b27cf3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ea3b2636d960cff3eb435ec1ca497475cd75629c19d00ad2bd945adf53b27cf3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memoization-821d496f8dc6e2be
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_memoized_0 ... ok
[INFO] [stdout] test test::test_memoized_2 ... ok
[INFO] [stdout] test test::test_testing_pattern ... ok
[INFO] [stdout] test test::test_memoized_1 ... ok
[INFO] [stderr]    Doc-tests memoization
[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>::process (line 83) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::new (line 69) ... ok
[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>::fetch (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::get (line 131) ... ok
[INFO] [stdout] test src/lib.rs - Memoized (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ea3b2636d960cff3eb435ec1ca497475cd75629c19d00ad2bd945adf53b27cf3"`
[INFO] running `"docker" "rm" "-f" "ea3b2636d960cff3eb435ec1ca497475cd75629c19d00ad2bd945adf53b27cf3"`
[INFO] [stdout] ea3b2636d960cff3eb435ec1ca497475cd75629c19d00ad2bd945adf53b27cf3