[INFO] fetching crate cueball 0.3.5...
[INFO] checking cueball-0.3.5 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate cueball 0.3.5 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cueball 0.3.5 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cueball 0.3.5
[INFO] finished tweaking crates.io crate cueball 0.3.5
[INFO] tweaked toml for crates.io crate cueball 0.3.5 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cueball 0.3.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", 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] 84d0b62863f921a27e9d7718633fe392c7db09dd5883bbca023ed2d88abde3ff
[INFO] running `Command { std: "docker" "start" "-a" "84d0b62863f921a27e9d7718633fe392c7db09dd5883bbca023ed2d88abde3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84d0b62863f921a27e9d7718633fe392c7db09dd5883bbca023ed2d88abde3ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d0b62863f921a27e9d7718633fe392c7db09dd5883bbca023ed2d88abde3ff", kill_on_drop: false }`
[INFO] [stdout] 84d0b62863f921a27e9d7718633fe392c7db09dd5883bbca023ed2d88abde3ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cb906a6f51a20422aa6d3955518fd5cb2b02ef89620ce563487c0f317c7508
[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" "29cb906a6f51a20422aa6d3955518fd5cb2b02ef89620ce563487c0f317c7508", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking cueball v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.85s
[INFO] running `Command { std: "docker" "inspect" "29cb906a6f51a20422aa6d3955518fd5cb2b02ef89620ce563487c0f317c7508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cb906a6f51a20422aa6d3955518fd5cb2b02ef89620ce563487c0f317c7508", kill_on_drop: false }`
[INFO] [stdout] 29cb906a6f51a20422aa6d3955518fd5cb2b02ef89620ce563487c0f317c7508