[INFO] fetching crate kurobako_core 0.1.11...
[INFO] checking kurobako_core-0.1.11 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate kurobako_core 0.1.11 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kurobako_core 0.1.11 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kurobako_core 0.1.11
[INFO] finished tweaking crates.io crate kurobako_core 0.1.11
[INFO] tweaked toml for crates.io crate kurobako_core 0.1.11 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e533c7b998e5f8fcd9211f3ab5eddc56fd79b401496957bafc50e3d433a8bd14
[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" "e533c7b998e5f8fcd9211f3ab5eddc56fd79b401496957bafc50e3d433a8bd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e533c7b998e5f8fcd9211f3ab5eddc56fd79b401496957bafc50e3d433a8bd14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e533c7b998e5f8fcd9211f3ab5eddc56fd79b401496957bafc50e3d433a8bd14", kill_on_drop: false }`
[INFO] [stdout] e533c7b998e5f8fcd9211f3ab5eddc56fd79b401496957bafc50e3d433a8bd14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9421716eeaaab903ac5691586514ec8ff9ff0759ad94de446607177a2c01b8b3
[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" "9421716eeaaab903ac5691586514ec8ff9ff0759ad94de446607177a2c01b8b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]     Checking ordered-float v2.1.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking trackable v1.1.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking kurobako_core v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "9421716eeaaab903ac5691586514ec8ff9ff0759ad94de446607177a2c01b8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9421716eeaaab903ac5691586514ec8ff9ff0759ad94de446607177a2c01b8b3", kill_on_drop: false }`
[INFO] [stdout] 9421716eeaaab903ac5691586514ec8ff9ff0759ad94de446607177a2c01b8b3