[INFO] fetching crate customasm 0.10.6... [INFO] checking customasm-0.10.6 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502 [INFO] extracting crate customasm 0.10.6 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate customasm 0.10.6 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate customasm 0.10.6 [INFO] finished tweaking crates.io crate customasm 0.10.6 [INFO] tweaked toml for crates.io crate customasm 0.10.6 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate customasm 0.10.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 704882ddd503d5de52d0ed3baa2760e3bd66a284bafe5a2be31013bc7f739d32 [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" "704882ddd503d5de52d0ed3baa2760e3bd66a284bafe5a2be31013bc7f739d32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "704882ddd503d5de52d0ed3baa2760e3bd66a284bafe5a2be31013bc7f739d32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "704882ddd503d5de52d0ed3baa2760e3bd66a284bafe5a2be31013bc7f739d32", kill_on_drop: false }` [INFO] [stdout] 704882ddd503d5de52d0ed3baa2760e3bd66a284bafe5a2be31013bc7f739d32 [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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 7f3b28f3c40ab7f575b14eedb3c9ecffc058099b9aafcb8f573ba834322dc46b [INFO] running `Command { std: "docker" "start" "-a" "7f3b28f3c40ab7f575b14eedb3c9ecffc058099b9aafcb8f573ba834322dc46b", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking getopts v0.2.17 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking customasm v0.10.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/asm/assembler.rs:409:3 [INFO] [stdout] | [INFO] [stdout] 409 | mem::replace(&mut self.parsed_instrs, instrs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/asm/assembler.rs:427:3 [INFO] [stdout] | [INFO] [stdout] 427 | mem::replace(&mut self.parsed_exprs, exprs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/asm/assembler.rs:409:3 [INFO] [stdout] | [INFO] [stdout] 409 | mem::replace(&mut self.parsed_instrs, instrs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/asm/assembler.rs:427:3 [INFO] [stdout] | [INFO] [stdout] 427 | mem::replace(&mut self.parsed_exprs, exprs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.36s [INFO] running `Command { std: "docker" "inspect" "7f3b28f3c40ab7f575b14eedb3c9ecffc058099b9aafcb8f573ba834322dc46b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f3b28f3c40ab7f575b14eedb3c9ecffc058099b9aafcb8f573ba834322dc46b", kill_on_drop: false }` [INFO] [stdout] 7f3b28f3c40ab7f575b14eedb3c9ecffc058099b9aafcb8f573ba834322dc46b