[INFO] crate memoization 0.1.0 is already in cache
[INFO] testing memoization-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate memoization 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate memoization 0.1.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e46e9a7e2f8dfb1c8f4d885378bdd613bbed649f674ab400f8750d3f9e2c819
[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" "8e46e9a7e2f8dfb1c8f4d885378bdd613bbed649f674ab400f8750d3f9e2c819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e46e9a7e2f8dfb1c8f4d885378bdd613bbed649f674ab400f8750d3f9e2c819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e46e9a7e2f8dfb1c8f4d885378bdd613bbed649f674ab400f8750d3f9e2c819", kill_on_drop: false }`
[INFO] [stdout] 8e46e9a7e2f8dfb1c8f4d885378bdd613bbed649f674ab400f8750d3f9e2c819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d9fb1ebe6ffeb726aef4fc9efa1a53099e87035fc42e3e8a933024bebd37dbc
[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" "2d9fb1ebe6ffeb726aef4fc9efa1a53099e87035fc42e3e8a933024bebd37dbc", 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" "2d9fb1ebe6ffeb726aef4fc9efa1a53099e87035fc42e3e8a933024bebd37dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9fb1ebe6ffeb726aef4fc9efa1a53099e87035fc42e3e8a933024bebd37dbc", kill_on_drop: false }`
[INFO] [stdout] 2d9fb1ebe6ffeb726aef4fc9efa1a53099e87035fc42e3e8a933024bebd37dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcb80debc1967660425ac304954f539b65d90a47ede8915e53568f1721872d3c
[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" "bcb80debc1967660425ac304954f539b65d90a47ede8915e53568f1721872d3c", 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 1.12s
[INFO] running `Command { std: "docker" "inspect" "bcb80debc1967660425ac304954f539b65d90a47ede8915e53568f1721872d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb80debc1967660425ac304954f539b65d90a47ede8915e53568f1721872d3c", kill_on_drop: false }`
[INFO] [stdout] bcb80debc1967660425ac304954f539b65d90a47ede8915e53568f1721872d3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc046a2f0a4d2f8abfed9212642a28134814b4313521ab047989cac69741817a
[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" "bc046a2f0a4d2f8abfed9212642a28134814b4313521ab047989cac69741817a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `eq_str`
[INFO] [stdout] running 4 tests
[INFO] [stderr]    --> src/lib.rs:258:8
[INFO] [stdout] test test::test_memoized_0 ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test::test_testing_pattern ... ok
[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 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memoization-4cb0c0ba9c72095d
[INFO] [stdout] test test::test_memoized_2 ... ok
[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] [stderr]    Doc-tests memoization
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::new (line 69) ... 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 (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::get (line 131) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::is_initialized (line 152) ... 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" "bc046a2f0a4d2f8abfed9212642a28134814b4313521ab047989cac69741817a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc046a2f0a4d2f8abfed9212642a28134814b4313521ab047989cac69741817a", kill_on_drop: false }`
[INFO] [stdout] bc046a2f0a4d2f8abfed9212642a28134814b4313521ab047989cac69741817a