[INFO] fetching crate prototty_elements 0.7.0...
[INFO] checking prototty_elements-0.7.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate prototty_elements 0.7.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate prototty_elements 0.7.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prototty_elements 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prototty_elements 0.7.0
[INFO] tweaked toml for crates.io crate prototty_elements 0.7.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_colour v0.1.0
[INFO] [stderr]   Downloaded prototty v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5f674126056b964e5b0d6c2aca5d6cbf9b73b3d6de28474c7fda22f395caade
[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" "c5f674126056b964e5b0d6c2aca5d6cbf9b73b3d6de28474c7fda22f395caade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5f674126056b964e5b0d6c2aca5d6cbf9b73b3d6de28474c7fda22f395caade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f674126056b964e5b0d6c2aca5d6cbf9b73b3d6de28474c7fda22f395caade", kill_on_drop: false }`
[INFO] [stdout] c5f674126056b964e5b0d6c2aca5d6cbf9b73b3d6de28474c7fda22f395caade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf43b7a203e0a61f68b6d44a32df3368395bf4a6a4c80c33ea483c87d74c10e
[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" "6bf43b7a203e0a61f68b6d44a32df3368395bf4a6a4c80c33ea483c87d74c10e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking ansi_colour v0.1.0
[INFO] [stderr]     Checking cgmath v0.15.0
[INFO] [stderr]     Checking prototty v0.4.0
[INFO] [stderr]     Checking prototty_elements v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.69s
[INFO] running `Command { std: "docker" "inspect" "6bf43b7a203e0a61f68b6d44a32df3368395bf4a6a4c80c33ea483c87d74c10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf43b7a203e0a61f68b6d44a32df3368395bf4a6a4c80c33ea483c87d74c10e", kill_on_drop: false }`
[INFO] [stdout] 6bf43b7a203e0a61f68b6d44a32df3368395bf4a6a4c80c33ea483c87d74c10e