[INFO] fetching crate json-color 0.7.1...
[INFO] testing json-color-0.7.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate json-color 0.7.1 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate json-color 0.7.1 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 json-color 0.7.1
[INFO] finished tweaking crates.io crate json-color 0.7.1
[INFO] tweaked toml for crates.io crate json-color 0.7.1 written to /workspace/builds/worker-24/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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 887f46e730085469241df0ec3209119e5352f9e445c2f048959fe4e98757c4ea
[INFO] running `Command { std: "docker" "start" "-a" "887f46e730085469241df0ec3209119e5352f9e445c2f048959fe4e98757c4ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "887f46e730085469241df0ec3209119e5352f9e445c2f048959fe4e98757c4ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "887f46e730085469241df0ec3209119e5352f9e445c2f048959fe4e98757c4ea", kill_on_drop: false }`
[INFO] [stdout] 887f46e730085469241df0ec3209119e5352f9e445c2f048959fe4e98757c4ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d725c5589cca84ff46ff6b48e2a4d498be541bf3098cbc160cd8ed14a8922537
[INFO] running `Command { std: "docker" "start" "-a" "d725c5589cca84ff46ff6b48e2a4d498be541bf3098cbc160cd8ed14a8922537", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling json-color v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "d725c5589cca84ff46ff6b48e2a4d498be541bf3098cbc160cd8ed14a8922537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d725c5589cca84ff46ff6b48e2a4d498be541bf3098cbc160cd8ed14a8922537", kill_on_drop: false }`
[INFO] [stdout] d725c5589cca84ff46ff6b48e2a4d498be541bf3098cbc160cd8ed14a8922537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b798817687aa2725c3357cfdf8ba15a0fefc04475a9072ad636a77bb2b17c847
[INFO] running `Command { std: "docker" "start" "-a" "b798817687aa2725c3357cfdf8ba15a0fefc04475a9072ad636a77bb2b17c847", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-color v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_color-6fe02cc3de49bd0e)
[INFO] running `Command { std: "docker" "inspect" "b798817687aa2725c3357cfdf8ba15a0fefc04475a9072ad636a77bb2b17c847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b798817687aa2725c3357cfdf8ba15a0fefc04475a9072ad636a77bb2b17c847", kill_on_drop: false }`
[INFO] [stdout] b798817687aa2725c3357cfdf8ba15a0fefc04475a9072ad636a77bb2b17c847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b7fa5982bcbe4d952c52f83e60df3c8317c146e1bdc8bdcf15f6d4341e9d2ff
[INFO] running `Command { std: "docker" "start" "-a" "2b7fa5982bcbe4d952c52f83e60df3c8317c146e1bdc8bdcf15f6d4341e9d2ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/json_color-6fe02cc3de49bd0e)
[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 json-color
[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" "2b7fa5982bcbe4d952c52f83e60df3c8317c146e1bdc8bdcf15f6d4341e9d2ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b7fa5982bcbe4d952c52f83e60df3c8317c146e1bdc8bdcf15f6d4341e9d2ff", kill_on_drop: false }`
[INFO] [stdout] 2b7fa5982bcbe4d952c52f83e60df3c8317c146e1bdc8bdcf15f6d4341e9d2ff