[INFO] fetching crate qvm 0.1.0... [INFO] checking qvm-0.1.0 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312 [INFO] extracting crate qvm 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate qvm 0.1.0 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qvm 0.1.0 [INFO] finished tweaking crates.io crate qvm 0.1.0 [INFO] tweaked toml for crates.io crate qvm 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate qvm 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] e4e57f988561f7714f50bf6a0696041d3bd6436249ac6eb2760af309501d7275 [INFO] running `Command { std: "docker" "start" "-a" "e4e57f988561f7714f50bf6a0696041d3bd6436249ac6eb2760af309501d7275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4e57f988561f7714f50bf6a0696041d3bd6436249ac6eb2760af309501d7275", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4e57f988561f7714f50bf6a0696041d3bd6436249ac6eb2760af309501d7275", kill_on_drop: false }` [INFO] [stdout] e4e57f988561f7714f50bf6a0696041d3bd6436249ac6eb2760af309501d7275 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] 0369ef3508bff687a51623e0654b4615fd18158c8bbf9a2b4d63c14b26ebe894 [INFO] running `Command { std: "docker" "start" "-a" "0369ef3508bff687a51623e0654b4615fd18158c8bbf9a2b4d63c14b26ebe894", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking qvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/gate.rs:18:31 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn to_function(&self) -> (fn(Vec) -> Vec){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/gate.rs:18:31 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn to_function(&self) -> (fn(Vec) -> Vec){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bits` [INFO] [stdout] --> src/address_decoder.rs:31:2 [INFO] [stdout] | [INFO] [stdout] 31 | bits : usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `bits` [INFO] [stdout] --> src/address_decoder.rs:31:2 [INFO] [stdout] | [INFO] [stdout] 31 | bits : usize, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.18s [INFO] running `Command { std: "docker" "inspect" "0369ef3508bff687a51623e0654b4615fd18158c8bbf9a2b4d63c14b26ebe894", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0369ef3508bff687a51623e0654b4615fd18158c8bbf9a2b4d63c14b26ebe894", kill_on_drop: false }` [INFO] [stdout] 0369ef3508bff687a51623e0654b4615fd18158c8bbf9a2b4d63c14b26ebe894