[INFO] fetching crate memoizer 0.2.2...
[INFO] testing memoizer-0.2.2 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate memoizer 0.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate memoizer 0.2.2 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memoizer 0.2.2
[INFO] finished tweaking crates.io crate memoizer 0.2.2
[INFO] tweaked toml for crates.io crate memoizer 0.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b4fc3e3026ee108cf404880b2e9d794b46be11308c534237fd599cc90eff50e
[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" "7b4fc3e3026ee108cf404880b2e9d794b46be11308c534237fd599cc90eff50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b4fc3e3026ee108cf404880b2e9d794b46be11308c534237fd599cc90eff50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b4fc3e3026ee108cf404880b2e9d794b46be11308c534237fd599cc90eff50e", kill_on_drop: false }`
[INFO] [stdout] 7b4fc3e3026ee108cf404880b2e9d794b46be11308c534237fd599cc90eff50e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f518d32fbc240eb7343df53367485f97d69e6b24fad3be86b2c6310f3b202d2c
[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" "f518d32fbc240eb7343df53367485f97d69e6b24fad3be86b2c6310f3b202d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoizer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "f518d32fbc240eb7343df53367485f97d69e6b24fad3be86b2c6310f3b202d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f518d32fbc240eb7343df53367485f97d69e6b24fad3be86b2c6310f3b202d2c", kill_on_drop: false }`
[INFO] [stdout] f518d32fbc240eb7343df53367485f97d69e6b24fad3be86b2c6310f3b202d2c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91010161fc959c00f43ea8497b76f27956d7b6ee15527fc4c8f06eab2de73d07
[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" "91010161fc959c00f43ea8497b76f27956d7b6ee15527fc4c8f06eab2de73d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoizer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "91010161fc959c00f43ea8497b76f27956d7b6ee15527fc4c8f06eab2de73d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91010161fc959c00f43ea8497b76f27956d7b6ee15527fc4c8f06eab2de73d07", kill_on_drop: false }`
[INFO] [stdout] 91010161fc959c00f43ea8497b76f27956d7b6ee15527fc4c8f06eab2de73d07
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 16cab8535f48d863d2b2a205cf10e41b00f88b2ab567dff138780c5bac4fdded
[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" "16cab8535f48d863d2b2a205cf10e41b00f88b2ab567dff138780c5bac4fdded", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memoizer-b44043d8761e8642)
[INFO] [stdout] test tests::heap_allocated ... ok
[INFO] [stderr]    Doc-tests memoizer
[INFO] [stdout] test tests::memoization ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test tests::structs ... ok
[INFO] [stdout] test tests::mixed_types ... ok
[INFO] [stdout] test tests::heap_returned ... ok
[INFO] [stdout] test tests::constructor ... ok
[INFO] [stdout] test tests::structs_by_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Memoizer<U,V,F>::new (line 36) ... ok
[INFO] [stdout] test src/lib.rs - Memoizer<U,V,F>::value (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16cab8535f48d863d2b2a205cf10e41b00f88b2ab567dff138780c5bac4fdded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16cab8535f48d863d2b2a205cf10e41b00f88b2ab567dff138780c5bac4fdded", kill_on_drop: false }`
[INFO] [stdout] 16cab8535f48d863d2b2a205cf10e41b00f88b2ab567dff138780c5bac4fdded