[INFO] cloning repository https://github.com/LooMaclin/lapa_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LooMaclin/lapa_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLooMaclin%2Flapa_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLooMaclin%2Flapa_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c03b1bc6a81bcdfaddd4d86f23ab02b683d8a31a [INFO] checking LooMaclin/lapa_rs against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLooMaclin%2Flapa_rs" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LooMaclin/lapa_rs on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LooMaclin/lapa_rs [INFO] finished tweaking git repo https://github.com/LooMaclin/lapa_rs [INFO] tweaked toml for git repo https://github.com/LooMaclin/lapa_rs written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/LooMaclin/lapa_rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustbreak v1.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 555420b6a283f470b83cdc8a9812ab80e42854e6b7001576c2b81d160d228860 [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" "555420b6a283f470b83cdc8a9812ab80e42854e6b7001576c2b81d160d228860", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "555420b6a283f470b83cdc8a9812ab80e42854e6b7001576c2b81d160d228860", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "555420b6a283f470b83cdc8a9812ab80e42854e6b7001576c2b81d160d228860", kill_on_drop: false }` [INFO] [stdout] 555420b6a283f470b83cdc8a9812ab80e42854e6b7001576c2b81d160d228860 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] c06fd466ac5d87d2b0c8ff3e8c087e457755179de246a2fc3466f88e36ec1d65 [INFO] running `Command { std: "docker" "start" "-a" "c06fd466ac5d87d2b0c8ff3e8c087e457755179de246a2fc3466f88e36ec1d65", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.4 [INFO] [stderr] Compiling serde v1.0.66 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Compiling syn v0.14.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Compiling serde_derive v1.0.66 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking rustbreak v1.4.0 [INFO] [stderr] Checking lapa_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | config.insert("foo", Foo { x: 42 }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | config.insert("foo", Foo { x: 42 }); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.05s [INFO] running `Command { std: "docker" "inspect" "c06fd466ac5d87d2b0c8ff3e8c087e457755179de246a2fc3466f88e36ec1d65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c06fd466ac5d87d2b0c8ff3e8c087e457755179de246a2fc3466f88e36ec1d65", kill_on_drop: false }` [INFO] [stdout] c06fd466ac5d87d2b0c8ff3e8c087e457755179de246a2fc3466f88e36ec1d65