[INFO] fetching crate free-list 0.2.1...
[INFO] testing free-list-0.2.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate free-list 0.2.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate free-list 0.2.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate free-list 0.2.1
[INFO] finished tweaking crates.io crate free-list 0.2.1
[INFO] tweaked toml for crates.io crate free-list 0.2.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 640bb4402f85bf176e7ed66dffde6a075a95d11cefa494e518d21f9ff8698994
[INFO] running `Command { std: "docker" "start" "-a" "640bb4402f85bf176e7ed66dffde6a075a95d11cefa494e518d21f9ff8698994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "640bb4402f85bf176e7ed66dffde6a075a95d11cefa494e518d21f9ff8698994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "640bb4402f85bf176e7ed66dffde6a075a95d11cefa494e518d21f9ff8698994", kill_on_drop: false }`
[INFO] [stdout] 640bb4402f85bf176e7ed66dffde6a075a95d11cefa494e518d21f9ff8698994
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 741ae814f9a7587effa4eb7ee03c1082c7286ab04dfe2df3328ac8e7a3098231
[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" "741ae814f9a7587effa4eb7ee03c1082c7286ab04dfe2df3328ac8e7a3098231", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-list v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "741ae814f9a7587effa4eb7ee03c1082c7286ab04dfe2df3328ac8e7a3098231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741ae814f9a7587effa4eb7ee03c1082c7286ab04dfe2df3328ac8e7a3098231", kill_on_drop: false }`
[INFO] [stdout] 741ae814f9a7587effa4eb7ee03c1082c7286ab04dfe2df3328ac8e7a3098231
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] fadfc6734a61d21ac0351a5a4ca98983f9b8abf6abf66ff758a4187a3b0d0293
[INFO] running `Command { std: "docker" "start" "-a" "fadfc6734a61d21ac0351a5a4ca98983f9b8abf6abf66ff758a4187a3b0d0293", kill_on_drop: false }`
[INFO] [stderr]    Compiling free-list v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "fadfc6734a61d21ac0351a5a4ca98983f9b8abf6abf66ff758a4187a3b0d0293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fadfc6734a61d21ac0351a5a4ca98983f9b8abf6abf66ff758a4187a3b0d0293", kill_on_drop: false }`
[INFO] [stdout] fadfc6734a61d21ac0351a5a4ca98983f9b8abf6abf66ff758a4187a3b0d0293
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8a0237675e363cfb0fafb41dad8510604e6719e8f5bd497a0ece5307b7f7202d
[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" "8a0237675e363cfb0fafb41dad8510604e6719e8f5bd497a0ece5307b7f7202d", 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/free_list-a6eaec90abe367ca)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests free-list
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8a0237675e363cfb0fafb41dad8510604e6719e8f5bd497a0ece5307b7f7202d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0237675e363cfb0fafb41dad8510604e6719e8f5bd497a0ece5307b7f7202d", kill_on_drop: false }`
[INFO] [stdout] 8a0237675e363cfb0fafb41dad8510604e6719e8f5bd497a0ece5307b7f7202d