[INFO] fetching crate skid 1.1.1...
[INFO] testing skid-1.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate skid 1.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate skid 1.1.1 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 skid 1.1.1
[INFO] finished tweaking crates.io crate skid 1.1.1
[INFO] tweaked toml for crates.io crate skid 1.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate skid 1.1.1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c225890c3172cfcefbe708846329b532a428448e99682c692d1701137bd8622c
[INFO] running `Command { std: "docker" "start" "-a" "c225890c3172cfcefbe708846329b532a428448e99682c692d1701137bd8622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c225890c3172cfcefbe708846329b532a428448e99682c692d1701137bd8622c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c225890c3172cfcefbe708846329b532a428448e99682c692d1701137bd8622c", kill_on_drop: false }`
[INFO] [stdout] c225890c3172cfcefbe708846329b532a428448e99682c692d1701137bd8622c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 744d6adc7f966bcd697a6472ba25c6b0a91e48d8c533c0ec5bfa793ece5bfd47
[INFO] running `Command { std: "docker" "start" "-a" "744d6adc7f966bcd697a6472ba25c6b0a91e48d8c533c0ec5bfa793ece5bfd47", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.22.1
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling fd-lock v3.0.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rustyline v9.0.0
[INFO] [stderr]    Compiling skid v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.84s
[INFO] running `Command { std: "docker" "inspect" "744d6adc7f966bcd697a6472ba25c6b0a91e48d8c533c0ec5bfa793ece5bfd47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744d6adc7f966bcd697a6472ba25c6b0a91e48d8c533c0ec5bfa793ece5bfd47", kill_on_drop: false }`
[INFO] [stdout] 744d6adc7f966bcd697a6472ba25c6b0a91e48d8c533c0ec5bfa793ece5bfd47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5fd86c92293f48016c7896afb0d1ec0c0c4345b393945a41f196735f348726a3
[INFO] running `Command { std: "docker" "start" "-a" "5fd86c92293f48016c7896afb0d1ec0c0c4345b393945a41f196735f348726a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling skid v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/skid-df85a63c65a5b833)
[INFO] running `Command { std: "docker" "inspect" "5fd86c92293f48016c7896afb0d1ec0c0c4345b393945a41f196735f348726a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fd86c92293f48016c7896afb0d1ec0c0c4345b393945a41f196735f348726a3", kill_on_drop: false }`
[INFO] [stdout] 5fd86c92293f48016c7896afb0d1ec0c0c4345b393945a41f196735f348726a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] abbf58f544cfa2dd38427a834120d0c4aa3d481064cbed34ce1ace8327a023a3
[INFO] running `Command { std: "docker" "start" "-a" "abbf58f544cfa2dd38427a834120d0c4aa3d481064cbed34ce1ace8327a023a3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/skid-df85a63c65a5b833)
[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" "abbf58f544cfa2dd38427a834120d0c4aa3d481064cbed34ce1ace8327a023a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abbf58f544cfa2dd38427a834120d0c4aa3d481064cbed34ce1ace8327a023a3", kill_on_drop: false }`
[INFO] [stdout] abbf58f544cfa2dd38427a834120d0c4aa3d481064cbed34ce1ace8327a023a3