[INFO] fetching crate mc-extractor 0.2.0...
[INFO] testing mc-extractor-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mc-extractor 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mc-extractor 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc-extractor 0.2.0
[INFO] finished tweaking crates.io crate mc-extractor 0.2.0
[INFO] tweaked toml for crates.io crate mc-extractor 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate mc-extractor 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-04-10" "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] 74f19f410c913ca5bf5517d4a88aeb64b2b03e33d0c8fe0bf98a125eef3d0826
[INFO] running `Command { std: "docker" "start" "-a" "74f19f410c913ca5bf5517d4a88aeb64b2b03e33d0c8fe0bf98a125eef3d0826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74f19f410c913ca5bf5517d4a88aeb64b2b03e33d0c8fe0bf98a125eef3d0826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f19f410c913ca5bf5517d4a88aeb64b2b03e33d0c8fe0bf98a125eef3d0826", kill_on_drop: false }`
[INFO] [stdout] 74f19f410c913ca5bf5517d4a88aeb64b2b03e33d0c8fe0bf98a125eef3d0826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd0d1ff5364083cd18b774fbf3a953ddfab7dbe55898c0049d789713fd100de1
[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" "fd0d1ff5364083cd18b774fbf3a953ddfab7dbe55898c0049d789713fd100de1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling mc-extractor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/data.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn size(&self) -> u32 {
[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 40.83s
[INFO] running `Command { std: "docker" "inspect" "fd0d1ff5364083cd18b774fbf3a953ddfab7dbe55898c0049d789713fd100de1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd0d1ff5364083cd18b774fbf3a953ddfab7dbe55898c0049d789713fd100de1", kill_on_drop: false }`
[INFO] [stdout] fd0d1ff5364083cd18b774fbf3a953ddfab7dbe55898c0049d789713fd100de1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-04-10" "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] ffc706618f829642ab67b34c878d4f902d5bf90799728859e87fc5990ce94cb8
[INFO] running `Command { std: "docker" "start" "-a" "ffc706618f829642ab67b34c878d4f902d5bf90799728859e87fc5990ce94cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc-extractor v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/data.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn size(&self) -> u32 {
[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 1.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mc_extractor-1c5520d97f5e7113)
[INFO] running `Command { std: "docker" "inspect" "ffc706618f829642ab67b34c878d4f902d5bf90799728859e87fc5990ce94cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffc706618f829642ab67b34c878d4f902d5bf90799728859e87fc5990ce94cb8", kill_on_drop: false }`
[INFO] [stdout] ffc706618f829642ab67b34c878d4f902d5bf90799728859e87fc5990ce94cb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2022-04-10" "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] 10fe0b772ea6988b949688bf55d27ac408a841d431cc3737643e1cf528ff621a
[INFO] running `Command { std: "docker" "start" "-a" "10fe0b772ea6988b949688bf55d27ac408a841d431cc3737643e1cf528ff621a", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `size`
[INFO] [stdout] 
[INFO] [stderr]   --> src/data.rs:30:19
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 30 |     pub(crate) fn size(&self) -> u32 {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mc-extractor` (bin "mc-extractor" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mc_extractor-1c5520d97f5e7113)
[INFO] running `Command { std: "docker" "inspect" "10fe0b772ea6988b949688bf55d27ac408a841d431cc3737643e1cf528ff621a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fe0b772ea6988b949688bf55d27ac408a841d431cc3737643e1cf528ff621a", kill_on_drop: false }`
[INFO] [stdout] 10fe0b772ea6988b949688bf55d27ac408a841d431cc3737643e1cf528ff621a