[INFO] fetching crate serde_tuple_macros 0.5.0...
[INFO] checking serde_tuple_macros-0.5.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate serde_tuple_macros 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate serde_tuple_macros 0.5.0 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 crates.io crate serde_tuple_macros 0.5.0
[INFO] finished tweaking crates.io crate serde_tuple_macros 0.5.0
[INFO] tweaked toml for crates.io crate serde_tuple_macros 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--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" "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] 28dddbfd0f5b51b37a8f4fedb56f43cfbc4209f0c74cf8e6e9bde1739f1e81ac
[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" "28dddbfd0f5b51b37a8f4fedb56f43cfbc4209f0c74cf8e6e9bde1739f1e81ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28dddbfd0f5b51b37a8f4fedb56f43cfbc4209f0c74cf8e6e9bde1739f1e81ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28dddbfd0f5b51b37a8f4fedb56f43cfbc4209f0c74cf8e6e9bde1739f1e81ac", kill_on_drop: false }`
[INFO] [stdout] 28dddbfd0f5b51b37a8f4fedb56f43cfbc4209f0c74cf8e6e9bde1739f1e81ac
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09ad3cdbb7bb6f198e21886f5da7f8f2e55d8697f0197b594f65d7c18270de7f
[INFO] running `Command { std: "docker" "start" "-a" "09ad3cdbb7bb6f198e21886f5da7f8f2e55d8697f0197b594f65d7c18270de7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking serde_tuple_macros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "09ad3cdbb7bb6f198e21886f5da7f8f2e55d8697f0197b594f65d7c18270de7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ad3cdbb7bb6f198e21886f5da7f8f2e55d8697f0197b594f65d7c18270de7f", kill_on_drop: false }`
[INFO] [stdout] 09ad3cdbb7bb6f198e21886f5da7f8f2e55d8697f0197b594f65d7c18270de7f