[INFO] fetching crate slog-json 2.6.1...
[INFO] testing slog-json-2.6.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate slog-json 2.6.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slog-json 2.6.1 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 slog-json 2.6.1
[INFO] finished tweaking crates.io crate slog-json 2.6.1
[INFO] tweaked toml for crates.io crate slog-json 2.6.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate slog-json 2.6.1 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2de0cd9067ed40f5306ddd6b46bcf059b06f32e86d66ef39d4a4810805164f3a
[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" "2de0cd9067ed40f5306ddd6b46bcf059b06f32e86d66ef39d4a4810805164f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de0cd9067ed40f5306ddd6b46bcf059b06f32e86d66ef39d4a4810805164f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de0cd9067ed40f5306ddd6b46bcf059b06f32e86d66ef39d4a4810805164f3a", kill_on_drop: false }`
[INFO] [stdout] 2de0cd9067ed40f5306ddd6b46bcf059b06f32e86d66ef39d4a4810805164f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dd618248eb9eca859f24d62724573a1888705336e09c21d5bf35687e683eee6f
[INFO] running `Command { std: "docker" "start" "-a" "dd618248eb9eca859f24d62724573a1888705336e09c21d5bf35687e683eee6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling slog-json v2.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "dd618248eb9eca859f24d62724573a1888705336e09c21d5bf35687e683eee6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd618248eb9eca859f24d62724573a1888705336e09c21d5bf35687e683eee6f", kill_on_drop: false }`
[INFO] [stdout] dd618248eb9eca859f24d62724573a1888705336e09c21d5bf35687e683eee6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6c1dad3a3208a6e6f4340d3d5e8ec0d94fa97439d1f99b3420e4b2f96d0cc706
[INFO] running `Command { std: "docker" "start" "-a" "6c1dad3a3208a6e6f4340d3d5e8ec0d94fa97439d1f99b3420e4b2f96d0cc706", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling slog-json v2.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/slog_json-44aea0bb7ee7acc9)
[INFO] running `Command { std: "docker" "inspect" "6c1dad3a3208a6e6f4340d3d5e8ec0d94fa97439d1f99b3420e4b2f96d0cc706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1dad3a3208a6e6f4340d3d5e8ec0d94fa97439d1f99b3420e4b2f96d0cc706", kill_on_drop: false }`
[INFO] [stdout] 6c1dad3a3208a6e6f4340d3d5e8ec0d94fa97439d1f99b3420e4b2f96d0cc706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] e80eff65eae35d1b6ed35185c4ecb5d3b12db65ca9b5e973a3584df6f2003766
[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" "e80eff65eae35d1b6ed35185c4ecb5d3b12db65ca9b5e973a3584df6f2003766", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slog_json-44aea0bb7ee7acc9)
[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] [stderr]    Doc-tests slog-json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e80eff65eae35d1b6ed35185c4ecb5d3b12db65ca9b5e973a3584df6f2003766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80eff65eae35d1b6ed35185c4ecb5d3b12db65ca9b5e973a3584df6f2003766", kill_on_drop: false }`
[INFO] [stdout] e80eff65eae35d1b6ed35185c4ecb5d3b12db65ca9b5e973a3584df6f2003766