[INFO] fetching crate memoiter 2.0.0...
[INFO] testing memoiter-2.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate memoiter 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate memoiter 2.0.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memoiter 2.0.0
[INFO] finished tweaking crates.io crate memoiter 2.0.0
[INFO] tweaked toml for crates.io crate memoiter 2.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96c4e76d7902380abd47c2a91052f43a7c88bf0f0cd7a0c34d32d804fc296640
[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" "96c4e76d7902380abd47c2a91052f43a7c88bf0f0cd7a0c34d32d804fc296640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96c4e76d7902380abd47c2a91052f43a7c88bf0f0cd7a0c34d32d804fc296640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c4e76d7902380abd47c2a91052f43a7c88bf0f0cd7a0c34d32d804fc296640", kill_on_drop: false }`
[INFO] [stdout] 96c4e76d7902380abd47c2a91052f43a7c88bf0f0cd7a0c34d32d804fc296640
[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" "+1.59.0" "build" "--frozen" "--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] 635c311e5dd9590550331fccc0f61dd17aff7e22158b0ecc356e907f7eb107f3
[INFO] running `Command { std: "docker" "start" "-a" "635c311e5dd9590550331fccc0f61dd17aff7e22158b0ecc356e907f7eb107f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoiter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "635c311e5dd9590550331fccc0f61dd17aff7e22158b0ecc356e907f7eb107f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "635c311e5dd9590550331fccc0f61dd17aff7e22158b0ecc356e907f7eb107f3", kill_on_drop: false }`
[INFO] [stdout] 635c311e5dd9590550331fccc0f61dd17aff7e22158b0ecc356e907f7eb107f3
[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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0783bc3d172ff43b85389818c9e80022bd42aaeb3bd2f59e68f6fb078f6d0719
[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" "0783bc3d172ff43b85389818c9e80022bd42aaeb3bd2f59e68f6fb078f6d0719", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoiter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "0783bc3d172ff43b85389818c9e80022bd42aaeb3bd2f59e68f6fb078f6d0719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0783bc3d172ff43b85389818c9e80022bd42aaeb3bd2f59e68f6fb078f6d0719", kill_on_drop: false }`
[INFO] [stdout] 0783bc3d172ff43b85389818c9e80022bd42aaeb3bd2f59e68f6fb078f6d0719
[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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e60e52378cbb9a9107e3ad76ca78bc0bf236ea35fb773bb9060db042783155e1
[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" "e60e52378cbb9a9107e3ad76ca78bc0bf236ea35fb773bb9060db042783155e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memoiter-ee3966e250ab2ab5)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stdout] test tests::test_fibonacci ... ok
[INFO] [stdout] test tests::test_len ... ok
[INFO] [stdout] test tests::test_prevec ... ok
[INFO] [stderr]    Doc-tests memoiter
[INFO] [stdout] test tests::test_slice ... 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 1 test
[INFO] [stdout] test src/lib.rs - MemoIter (line 27) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e60e52378cbb9a9107e3ad76ca78bc0bf236ea35fb773bb9060db042783155e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60e52378cbb9a9107e3ad76ca78bc0bf236ea35fb773bb9060db042783155e1", kill_on_drop: false }`
[INFO] [stdout] e60e52378cbb9a9107e3ad76ca78bc0bf236ea35fb773bb9060db042783155e1