[INFO] fetching crate rust_nb 0.1.1... [INFO] checking rust_nb-0.1.1 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] extracting crate rust_nb 0.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate rust_nb 0.1.1 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_nb 0.1.1 [INFO] finished tweaking crates.io crate rust_nb 0.1.1 [INFO] tweaked toml for crates.io crate rust_nb 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate rust_nb 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd7fd0e372bfb7b4ae01c6016a7b551e86eeb1ac99cd554017eed9877eec9916 [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" "fd7fd0e372bfb7b4ae01c6016a7b551e86eeb1ac99cd554017eed9877eec9916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd7fd0e372bfb7b4ae01c6016a7b551e86eeb1ac99cd554017eed9877eec9916", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd7fd0e372bfb7b4ae01c6016a7b551e86eeb1ac99cd554017eed9877eec9916", kill_on_drop: false }` [INFO] [stdout] fd7fd0e372bfb7b4ae01c6016a7b551e86eeb1ac99cd554017eed9877eec9916 [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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] e6be5c3b1514a8a7bf2520711718760136c3a581c51c011379fbcb214ae043cb [INFO] running `Command { std: "docker" "start" "-a" "e6be5c3b1514a8a7bf2520711718760136c3a581c51c011379fbcb214ae043cb", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rayon-core v1.7.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking serde_regex v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Checking rust_nb v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 37.55s [INFO] running `Command { std: "docker" "inspect" "e6be5c3b1514a8a7bf2520711718760136c3a581c51c011379fbcb214ae043cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6be5c3b1514a8a7bf2520711718760136c3a581c51c011379fbcb214ae043cb", kill_on_drop: false }` [INFO] [stdout] e6be5c3b1514a8a7bf2520711718760136c3a581c51c011379fbcb214ae043cb