[INFO] fetching crate ln 0.1.0...
[INFO] testing ln-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate ln 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ln 0.1.0 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 ln 0.1.0
[INFO] finished tweaking crates.io crate ln 0.1.0
[INFO] tweaked toml for crates.io crate ln 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ln 0.1.0 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] be47dd5c983fb6d3586d458a1c37bb608f9c13e04f593a3601a63f14da87a73d
[INFO] running `Command { std: "docker" "start" "-a" "be47dd5c983fb6d3586d458a1c37bb608f9c13e04f593a3601a63f14da87a73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be47dd5c983fb6d3586d458a1c37bb608f9c13e04f593a3601a63f14da87a73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be47dd5c983fb6d3586d458a1c37bb608f9c13e04f593a3601a63f14da87a73d", kill_on_drop: false }`
[INFO] [stdout] be47dd5c983fb6d3586d458a1c37bb608f9c13e04f593a3601a63f14da87a73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4d8ab0b6363711642b468cdb8d604becf232e9018be10cbc0f6198cf896ede47
[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" "4d8ab0b6363711642b468cdb8d604becf232e9018be10cbc0f6198cf896ede47", kill_on_drop: false }`
[INFO] [stderr]    Compiling ln v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "4d8ab0b6363711642b468cdb8d604becf232e9018be10cbc0f6198cf896ede47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8ab0b6363711642b468cdb8d604becf232e9018be10cbc0f6198cf896ede47", kill_on_drop: false }`
[INFO] [stdout] 4d8ab0b6363711642b468cdb8d604becf232e9018be10cbc0f6198cf896ede47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 93cc7b25540e277e675707052717513a9b495e3a50001ca517eccaaff4e3f945
[INFO] running `Command { std: "docker" "start" "-a" "93cc7b25540e277e675707052717513a9b495e3a50001ca517eccaaff4e3f945", kill_on_drop: false }`
[INFO] [stderr]    Compiling ln v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ln-5653cab0a25e64e7)
[INFO] running `Command { std: "docker" "inspect" "93cc7b25540e277e675707052717513a9b495e3a50001ca517eccaaff4e3f945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93cc7b25540e277e675707052717513a9b495e3a50001ca517eccaaff4e3f945", kill_on_drop: false }`
[INFO] [stdout] 93cc7b25540e277e675707052717513a9b495e3a50001ca517eccaaff4e3f945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e747db79f07039f1895f0218797bc1f0905b33f425e0807b177535e9b66acc47
[INFO] running `Command { std: "docker" "start" "-a" "e747db79f07039f1895f0218797bc1f0905b33f425e0807b177535e9b66acc47", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ln-5653cab0a25e64e7)
[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" "e747db79f07039f1895f0218797bc1f0905b33f425e0807b177535e9b66acc47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e747db79f07039f1895f0218797bc1f0905b33f425e0807b177535e9b66acc47", kill_on_drop: false }`
[INFO] [stdout] e747db79f07039f1895f0218797bc1f0905b33f425e0807b177535e9b66acc47