[INFO] fetching crate matchbox 0.0.1...
[INFO] testing matchbox-0.0.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate matchbox 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate matchbox 0.0.1 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 matchbox 0.0.1
[INFO] finished tweaking crates.io crate matchbox 0.0.1
[INFO] tweaked toml for crates.io crate matchbox 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "+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] 780302feddddedafc468c6058ddcdb8f9f86d0a29590b14464be0da9b40fb14a
[INFO] running `Command { std: "docker" "start" "-a" "780302feddddedafc468c6058ddcdb8f9f86d0a29590b14464be0da9b40fb14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "780302feddddedafc468c6058ddcdb8f9f86d0a29590b14464be0da9b40fb14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780302feddddedafc468c6058ddcdb8f9f86d0a29590b14464be0da9b40fb14a", kill_on_drop: false }`
[INFO] [stdout] 780302feddddedafc468c6058ddcdb8f9f86d0a29590b14464be0da9b40fb14a
[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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1dc003a0c08d8024d2a892504e69b4e52e465a6ed84cb98d0c24f8bdf88aa19
[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" "e1dc003a0c08d8024d2a892504e69b4e52e465a6ed84cb98d0c24f8bdf88aa19", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "e1dc003a0c08d8024d2a892504e69b4e52e465a6ed84cb98d0c24f8bdf88aa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1dc003a0c08d8024d2a892504e69b4e52e465a6ed84cb98d0c24f8bdf88aa19", kill_on_drop: false }`
[INFO] [stdout] e1dc003a0c08d8024d2a892504e69b4e52e465a6ed84cb98d0c24f8bdf88aa19
[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" "+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] 42c3e1cfaec875e1ce878b2130ce63fa0462922ad224fdb31850ba7305549ef8
[INFO] running `Command { std: "docker" "start" "-a" "42c3e1cfaec875e1ce878b2130ce63fa0462922ad224fdb31850ba7305549ef8", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/matchbox-b302db5fed35adba)
[INFO] running `Command { std: "docker" "inspect" "42c3e1cfaec875e1ce878b2130ce63fa0462922ad224fdb31850ba7305549ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c3e1cfaec875e1ce878b2130ce63fa0462922ad224fdb31850ba7305549ef8", kill_on_drop: false }`
[INFO] [stdout] 42c3e1cfaec875e1ce878b2130ce63fa0462922ad224fdb31850ba7305549ef8
[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" "+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] 3a5bf0e22a7d459a7d2f2c59b5f8d31506c12082667ed66991ea826367cdd6fa
[INFO] running `Command { std: "docker" "start" "-a" "3a5bf0e22a7d459a7d2f2c59b5f8d31506c12082667ed66991ea826367cdd6fa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/matchbox-b302db5fed35adba)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests matchbox
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "3a5bf0e22a7d459a7d2f2c59b5f8d31506c12082667ed66991ea826367cdd6fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5bf0e22a7d459a7d2f2c59b5f8d31506c12082667ed66991ea826367cdd6fa", kill_on_drop: false }`
[INFO] [stdout] 3a5bf0e22a7d459a7d2f2c59b5f8d31506c12082667ed66991ea826367cdd6fa