[INFO] cloning repository https://github.com/tarquin-the-brave/serde-cross-format
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarquin-the-brave/serde-cross-format" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarquin-the-brave%2Fserde-cross-format", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarquin-the-brave%2Fserde-cross-format'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bedd7104b7ce5c78cc62286387557495830d6d94
[INFO] checking tarquin-the-brave/serde-cross-format against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarquin-the-brave%2Fserde-cross-format" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarquin-the-brave/serde-cross-format on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tarquin-the-brave/serde-cross-format
[INFO] finished tweaking git repo https://github.com/tarquin-the-brave/serde-cross-format
[INFO] tweaked toml for git repo https://github.com/tarquin-the-brave/serde-cross-format written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tarquin-the-brave/serde-cross-format already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.105
[INFO] [stderr]   Downloaded schemars_derive v0.7.0
[INFO] [stderr]   Downloaded schemars v0.7.0
[INFO] [stderr]   Downloaded anyhow v1.0.27
[INFO] [stderr]   Downloaded serde_json v1.0.48
[INFO] [stderr]   Downloaded serde_derive_internals v0.25.0
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] [stderr]   Downloaded yaml-rust v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.105
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded ryu v1.0.3
[INFO] [stderr]   Downloaded dtoa v0.4.5
[INFO] [stderr]   Downloaded serde_yaml v0.8.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ed3c3d5dd1628e0b1bbf15669a7ce530eea65a157516276d211d114cf9ad198
[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" "4ed3c3d5dd1628e0b1bbf15669a7ce530eea65a157516276d211d114cf9ad198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ed3c3d5dd1628e0b1bbf15669a7ce530eea65a157516276d211d114cf9ad198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed3c3d5dd1628e0b1bbf15669a7ce530eea65a157516276d211d114cf9ad198", kill_on_drop: false }`
[INFO] [stdout] 4ed3c3d5dd1628e0b1bbf15669a7ce530eea65a157516276d211d114cf9ad198
[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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00b167323ea20b9587e358f2420ae92b5de2ce40e521008cafce9a37f914e178
[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" "00b167323ea20b9587e358f2420ae92b5de2ce40e521008cafce9a37f914e178", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling schemars v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling schemars_derive v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking serde-cross-format v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.76s
[INFO] running `Command { std: "docker" "inspect" "00b167323ea20b9587e358f2420ae92b5de2ce40e521008cafce9a37f914e178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b167323ea20b9587e358f2420ae92b5de2ce40e521008cafce9a37f914e178", kill_on_drop: false }`
[INFO] [stdout] 00b167323ea20b9587e358f2420ae92b5de2ce40e521008cafce9a37f914e178