[INFO] fetching crate mdt8 0.2.0...
[INFO] testing mdt8-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mdt8 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mdt8 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 mdt8 0.2.0
[INFO] finished tweaking crates.io crate mdt8 0.2.0
[INFO] tweaked toml for crates.io crate mdt8 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mdt8 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f700ca0f6dc1ab466c9e414cf41ac445516dced4de03567072e4fbae95f82a7d
[INFO] running `Command { std: "docker" "start" "-a" "f700ca0f6dc1ab466c9e414cf41ac445516dced4de03567072e4fbae95f82a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f700ca0f6dc1ab466c9e414cf41ac445516dced4de03567072e4fbae95f82a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f700ca0f6dc1ab466c9e414cf41ac445516dced4de03567072e4fbae95f82a7d", kill_on_drop: false }`
[INFO] [stdout] f700ca0f6dc1ab466c9e414cf41ac445516dced4de03567072e4fbae95f82a7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0f35873092642d5777ae6209014460dc5175b7184bc3079fca9c212a5e4244a8
[INFO] running `Command { std: "docker" "start" "-a" "0f35873092642d5777ae6209014460dc5175b7184bc3079fca9c212a5e4244a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling mdt8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.14s
[INFO] running `Command { std: "docker" "inspect" "0f35873092642d5777ae6209014460dc5175b7184bc3079fca9c212a5e4244a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f35873092642d5777ae6209014460dc5175b7184bc3079fca9c212a5e4244a8", kill_on_drop: false }`
[INFO] [stdout] 0f35873092642d5777ae6209014460dc5175b7184bc3079fca9c212a5e4244a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a723cf158f447e662e56f106b502e21761027a7bf319fec5659d2358e47379cd
[INFO] running `Command { std: "docker" "start" "-a" "a723cf158f447e662e56f106b502e21761027a7bf319fec5659d2358e47379cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdt8 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/mdt8-eca0c2ea877bdddf)
[INFO] running `Command { std: "docker" "inspect" "a723cf158f447e662e56f106b502e21761027a7bf319fec5659d2358e47379cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a723cf158f447e662e56f106b502e21761027a7bf319fec5659d2358e47379cd", kill_on_drop: false }`
[INFO] [stdout] a723cf158f447e662e56f106b502e21761027a7bf319fec5659d2358e47379cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f93e25186e88e107415cc7f2bea33ebb33d6f389ce2d27dcbacef8f91579206a
[INFO] running `Command { std: "docker" "start" "-a" "f93e25186e88e107415cc7f2bea33ebb33d6f389ce2d27dcbacef8f91579206a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mdt8-eca0c2ea877bdddf)
[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" "f93e25186e88e107415cc7f2bea33ebb33d6f389ce2d27dcbacef8f91579206a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93e25186e88e107415cc7f2bea33ebb33d6f389ce2d27dcbacef8f91579206a", kill_on_drop: false }`
[INFO] [stdout] f93e25186e88e107415cc7f2bea33ebb33d6f389ce2d27dcbacef8f91579206a