[INFO] cloning repository https://github.com/semahawk/page_replacement
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/semahawk/page_replacement" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemahawk%2Fpage_replacement", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemahawk%2Fpage_replacement'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23b35a253abd5dfe830aee205ed173dd1e38ad7f
[INFO] testing semahawk/page_replacement against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsemahawk%2Fpage_replacement" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/semahawk/page_replacement on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/semahawk/page_replacement
[INFO] finished tweaking git repo https://github.com/semahawk/page_replacement
[INFO] tweaked toml for git repo https://github.com/semahawk/page_replacement written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/semahawk/page_replacement already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 2feb7094147af76ea32cc6be4169ace26942bb97483e5d611fdc1c8bc5b48a99
[INFO] running `Command { std: "docker" "start" "-a" "2feb7094147af76ea32cc6be4169ace26942bb97483e5d611fdc1c8bc5b48a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2feb7094147af76ea32cc6be4169ace26942bb97483e5d611fdc1c8bc5b48a99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2feb7094147af76ea32cc6be4169ace26942bb97483e5d611fdc1c8bc5b48a99", kill_on_drop: false }`
[INFO] [stdout] 2feb7094147af76ea32cc6be4169ace26942bb97483e5d611fdc1c8bc5b48a99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] abad3bc4cc0a0a101e39536648ca5b0940ce8e5c5bae5c461cbae154a6d5a4cb
[INFO] running `Command { std: "docker" "start" "-a" "abad3bc4cc0a0a101e39536648ca5b0940ce8e5c5bae5c461cbae154a6d5a4cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling page_replacement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `swapped_to_disk`
[INFO] [stdout]   --> src/memory.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   swapped_to_disk: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "abad3bc4cc0a0a101e39536648ca5b0940ce8e5c5bae5c461cbae154a6d5a4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abad3bc4cc0a0a101e39536648ca5b0940ce8e5c5bae5c461cbae154a6d5a4cb", kill_on_drop: false }`
[INFO] [stdout] abad3bc4cc0a0a101e39536648ca5b0940ce8e5c5bae5c461cbae154a6d5a4cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9956603e18cf3a94caea6253e81e88a499ea6aa3a36234c3fbe659e45162ff94
[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" "9956603e18cf3a94caea6253e81e88a499ea6aa3a36234c3fbe659e45162ff94", kill_on_drop: false }`
[INFO] [stderr]    Compiling page_replacement v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `swapped_to_disk`
[INFO] [stdout]   --> src/memory.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   swapped_to_disk: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "9956603e18cf3a94caea6253e81e88a499ea6aa3a36234c3fbe659e45162ff94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9956603e18cf3a94caea6253e81e88a499ea6aa3a36234c3fbe659e45162ff94", kill_on_drop: false }`
[INFO] [stdout] 9956603e18cf3a94caea6253e81e88a499ea6aa3a36234c3fbe659e45162ff94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 08ae55aafae47253f371a63bb3d6d6a7195e50ea1b44986d28cf21caa2cba8bf
[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" "08ae55aafae47253f371a63bb3d6d6a7195e50ea1b44986d28cf21caa2cba8bf", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `swapped_to_disk`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/memory.rs:12:3
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 12 |   swapped_to_disk: bool,
[INFO] [stdout] 
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `page_replacement` (bin "page_replacement" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/page_replacement-582ce1abe3c0aca3)
[INFO] running `Command { std: "docker" "inspect" "08ae55aafae47253f371a63bb3d6d6a7195e50ea1b44986d28cf21caa2cba8bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ae55aafae47253f371a63bb3d6d6a7195e50ea1b44986d28cf21caa2cba8bf", kill_on_drop: false }`
[INFO] [stdout] 08ae55aafae47253f371a63bb3d6d6a7195e50ea1b44986d28cf21caa2cba8bf