[INFO] fetching crate linkage 0.0.0...
[INFO] testing linkage-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate linkage 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate linkage 0.0.0 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 linkage 0.0.0
[INFO] finished tweaking crates.io crate linkage 0.0.0
[INFO] tweaked toml for crates.io crate linkage 0.0.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate linkage 0.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 24d590e4053aef9006bdc8804bae7b6492a75e2e4f92165af96df72551a6cd22
[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" "24d590e4053aef9006bdc8804bae7b6492a75e2e4f92165af96df72551a6cd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d590e4053aef9006bdc8804bae7b6492a75e2e4f92165af96df72551a6cd22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d590e4053aef9006bdc8804bae7b6492a75e2e4f92165af96df72551a6cd22", kill_on_drop: false }`
[INFO] [stdout] 24d590e4053aef9006bdc8804bae7b6492a75e2e4f92165af96df72551a6cd22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd34ebf62eb5d20c60f7eb740cbd61f8186016eba674da6d72fa8b685de3c4a6
[INFO] running `Command { std: "docker" "start" "-a" "fd34ebf62eb5d20c60f7eb740cbd61f8186016eba674da6d72fa8b685de3c4a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkage v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "fd34ebf62eb5d20c60f7eb740cbd61f8186016eba674da6d72fa8b685de3c4a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd34ebf62eb5d20c60f7eb740cbd61f8186016eba674da6d72fa8b685de3c4a6", kill_on_drop: false }`
[INFO] [stdout] fd34ebf62eb5d20c60f7eb740cbd61f8186016eba674da6d72fa8b685de3c4a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 476a8abac65c773d6ca9d452d79f0257d39aa872aeca02751121775ffc11846d
[INFO] running `Command { std: "docker" "start" "-a" "476a8abac65c773d6ca9d452d79f0257d39aa872aeca02751121775ffc11846d", kill_on_drop: false }`
[INFO] [stderr]    Compiling linkage v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/main-db3717daee07cb7b)
[INFO] running `Command { std: "docker" "inspect" "476a8abac65c773d6ca9d452d79f0257d39aa872aeca02751121775ffc11846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476a8abac65c773d6ca9d452d79f0257d39aa872aeca02751121775ffc11846d", kill_on_drop: false }`
[INFO] [stdout] 476a8abac65c773d6ca9d452d79f0257d39aa872aeca02751121775ffc11846d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3af28f1b6368c289a8c4be44b2fbfe0465a5ea6df8acf87151f3fc6d58ccefe9
[INFO] running `Command { std: "docker" "start" "-a" "3af28f1b6368c289a8c4be44b2fbfe0465a5ea6df8acf87151f3fc6d58ccefe9", 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/main-db3717daee07cb7b)
[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" "3af28f1b6368c289a8c4be44b2fbfe0465a5ea6df8acf87151f3fc6d58ccefe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af28f1b6368c289a8c4be44b2fbfe0465a5ea6df8acf87151f3fc6d58ccefe9", kill_on_drop: false }`
[INFO] [stdout] 3af28f1b6368c289a8c4be44b2fbfe0465a5ea6df8acf87151f3fc6d58ccefe9