[INFO] fetching crate core_memo 0.1.0...
[INFO] testing core_memo-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate core_memo 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate core_memo 0.1.0 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 core_memo 0.1.0
[INFO] finished tweaking crates.io crate core_memo 0.1.0
[INFO] tweaked toml for crates.io crate core_memo 0.1.0 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] 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] 37e8834a2a25358a11d9e2291c91f5bd2b259c01a5097f3f01ffc7afb7466664
[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" "37e8834a2a25358a11d9e2291c91f5bd2b259c01a5097f3f01ffc7afb7466664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37e8834a2a25358a11d9e2291c91f5bd2b259c01a5097f3f01ffc7afb7466664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e8834a2a25358a11d9e2291c91f5bd2b259c01a5097f3f01ffc7afb7466664", kill_on_drop: false }`
[INFO] [stdout] 37e8834a2a25358a11d9e2291c91f5bd2b259c01a5097f3f01ffc7afb7466664
[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] e493cb2501c713bf4664d9cd4b939ff730dee0b414b5a38e8f5e8b211d8b33f3
[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" "e493cb2501c713bf4664d9cd4b939ff730dee0b414b5a38e8f5e8b211d8b33f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e493cb2501c713bf4664d9cd4b939ff730dee0b414b5a38e8f5e8b211d8b33f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e493cb2501c713bf4664d9cd4b939ff730dee0b414b5a38e8f5e8b211d8b33f3", kill_on_drop: false }`
[INFO] [stdout] e493cb2501c713bf4664d9cd4b939ff730dee0b414b5a38e8f5e8b211d8b33f3
[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] 30753c69ddf2ffd276a3a74b8e7e80c1c6b272628d61fb0a4db4d04b782dfb15
[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" "30753c69ddf2ffd276a3a74b8e7e80c1c6b272628d61fb0a4db4d04b782dfb15", kill_on_drop: false }`
[INFO] [stderr]    Compiling core_memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "30753c69ddf2ffd276a3a74b8e7e80c1c6b272628d61fb0a4db4d04b782dfb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30753c69ddf2ffd276a3a74b8e7e80c1c6b272628d61fb0a4db4d04b782dfb15", kill_on_drop: false }`
[INFO] [stdout] 30753c69ddf2ffd276a3a74b8e7e80c1c6b272628d61fb0a4db4d04b782dfb15
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0057af7b02a60c93fac62cff53aef67b1bdb1839e88ca1ff1c06f30d92e01f32
[INFO] running `Command { std: "docker" "start" "-a" "0057af7b02a60c93fac62cff53aef67b1bdb1839e88ca1ff1c06f30d92e01f32", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/core_memo-444a94e4dc5d239f)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::sums ... ok
[INFO] [stdout] test tests::track_calls_ext ... ok
[INFO] [stdout] test tests::track_calls_mutation ... ok
[INFO] [stdout] test tests::track_calls_ref ... ok
[INFO] [stderr]    Doc-tests core_memo
[INFO] [stdout] test tests::track_calls_own ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MemoExt (line 170) ... ok
[INFO] [stdout] test src/lib.rs - Memoize (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - MemoOnce (line 245) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0057af7b02a60c93fac62cff53aef67b1bdb1839e88ca1ff1c06f30d92e01f32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0057af7b02a60c93fac62cff53aef67b1bdb1839e88ca1ff1c06f30d92e01f32", kill_on_drop: false }`
[INFO] [stdout] 0057af7b02a60c93fac62cff53aef67b1bdb1839e88ca1ff1c06f30d92e01f32