[INFO] fetching crate memoiter 2.0.0...
[INFO] testing memoiter-2.0.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate memoiter 2.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate memoiter 2.0.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", 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] 475aac963a4f33c6813d3a1045cde4c3924ad9731ad41a148ba25154715fea67
[INFO] running `Command { std: "docker" "start" "-a" "475aac963a4f33c6813d3a1045cde4c3924ad9731ad41a148ba25154715fea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "475aac963a4f33c6813d3a1045cde4c3924ad9731ad41a148ba25154715fea67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475aac963a4f33c6813d3a1045cde4c3924ad9731ad41a148ba25154715fea67", kill_on_drop: false }`
[INFO] [stdout] 475aac963a4f33c6813d3a1045cde4c3924ad9731ad41a148ba25154715fea67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 65a94cf9b85e438aea48c6d860028f9402910e3a6b9c9aaa19264600d0bdbd2a
[INFO] running `Command { std: "docker" "start" "-a" "65a94cf9b85e438aea48c6d860028f9402910e3a6b9c9aaa19264600d0bdbd2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoiter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "65a94cf9b85e438aea48c6d860028f9402910e3a6b9c9aaa19264600d0bdbd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a94cf9b85e438aea48c6d860028f9402910e3a6b9c9aaa19264600d0bdbd2a", kill_on_drop: false }`
[INFO] [stdout] 65a94cf9b85e438aea48c6d860028f9402910e3a6b9c9aaa19264600d0bdbd2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d4a092c6c99b3512981d19650767912956cf7134ef0ca4ac779d6adc0ceb520
[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" "2d4a092c6c99b3512981d19650767912956cf7134ef0ca4ac779d6adc0ceb520", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoiter v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "2d4a092c6c99b3512981d19650767912956cf7134ef0ca4ac779d6adc0ceb520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d4a092c6c99b3512981d19650767912956cf7134ef0ca4ac779d6adc0ceb520", kill_on_drop: false }`
[INFO] [stdout] 2d4a092c6c99b3512981d19650767912956cf7134ef0ca4ac779d6adc0ceb520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 2031cc6b255338ef4be03d1f368b574c9fd5228c489d653ceeb78ef480e06255
[INFO] running `Command { std: "docker" "start" "-a" "2031cc6b255338ef4be03d1f368b574c9fd5228c489d653ceeb78ef480e06255", 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/memoiter-d4f019222a682e69)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_factorial ... ok
[INFO] [stdout] test tests::test_fibonacci ... ok
[INFO] [stdout] test tests::test_prevec ... ok
[INFO] [stderr]    Doc-tests memoiter
[INFO] [stdout] test tests::test_len ... ok
[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 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2031cc6b255338ef4be03d1f368b574c9fd5228c489d653ceeb78ef480e06255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2031cc6b255338ef4be03d1f368b574c9fd5228c489d653ceeb78ef480e06255", kill_on_drop: false }`
[INFO] [stdout] 2031cc6b255338ef4be03d1f368b574c9fd5228c489d653ceeb78ef480e06255