[INFO] cloning repository https://github.com/ammkrn/nanoda [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ammkrn/nanoda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammkrn%2Fnanoda", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammkrn%2Fnanoda'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04c0b5e5ddf73f6bae55ca17da1a320d239d8147 [INFO] testing ammkrn/nanoda against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fammkrn%2Fnanoda" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ammkrn/nanoda on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ammkrn/nanoda [INFO] finished tweaking git repo https://github.com/ammkrn/nanoda [INFO] tweaked toml for git repo https://github.com/ammkrn/nanoda written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/ammkrn/nanoda already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7a8897c5a8a7fc9d83d141fdeb2a659347655e1c649a429bc4fb0b99da9a93a0 [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" "7a8897c5a8a7fc9d83d141fdeb2a659347655e1c649a429bc4fb0b99da9a93a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a8897c5a8a7fc9d83d141fdeb2a659347655e1c649a429bc4fb0b99da9a93a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a8897c5a8a7fc9d83d141fdeb2a659347655e1c649a429bc4fb0b99da9a93a0", kill_on_drop: false }` [INFO] [stdout] 7a8897c5a8a7fc9d83d141fdeb2a659347655e1c649a429bc4fb0b99da9a93a0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48b0d595cb1c3d4bb0a5762d1045f77e3b7e598d2e6949b2323786b9e0e10047 [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" "48b0d595cb1c3d4bb0a5762d1045f77e3b7e598d2e6949b2323786b9e0e10047", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.40 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mimalloc-sys v0.1.5 [INFO] [stderr] Compiling stacker v0.1.5 [INFO] [stderr] Compiling mimallocator v0.1.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling nanoda v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::inductive::Inductive` [INFO] [stdout] --> src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::inductive::Inductive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/expr.rs:573:13 [INFO] [stdout] | [INFO] [stdout] 573 | std::mem::replace(self, instd); [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/reduction.rs:128:40 [INFO] [stdout] | [INFO] [stdout] 128 | Some(already) => { std::mem::replace(already, e2); }, [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pretty/components.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 222 | std::mem::replace(eol, (acc.len() + line_width)); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 36.02s [INFO] running `Command { std: "docker" "inspect" "48b0d595cb1c3d4bb0a5762d1045f77e3b7e598d2e6949b2323786b9e0e10047", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48b0d595cb1c3d4bb0a5762d1045f77e3b7e598d2e6949b2323786b9e0e10047", kill_on_drop: false }` [INFO] [stdout] 48b0d595cb1c3d4bb0a5762d1045f77e3b7e598d2e6949b2323786b9e0e10047 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94052c07adc196c1c2e3a1bf27e2ac5da24170042a84c1f138087c5efe852fa9 [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" "94052c07adc196c1c2e3a1bf27e2ac5da24170042a84c1f138087c5efe852fa9", kill_on_drop: false }` [INFO] [stderr] Compiling nanoda v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::inductive::Inductive` [INFO] [stdout] --> src/parser.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use crate::inductive::Inductive; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/expr.rs:573:13 [INFO] [stdout] | [INFO] [stdout] 573 | std::mem::replace(self, instd); [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/reduction.rs:128:40 [INFO] [stdout] | [INFO] [stdout] 128 | Some(already) => { std::mem::replace(already, e2); }, [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/pretty/components.rs:222:21 [INFO] [stdout] | [INFO] [stdout] 222 | std::mem::replace(eol, (acc.len() + line_width)); [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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.01s [INFO] running `Command { std: "docker" "inspect" "94052c07adc196c1c2e3a1bf27e2ac5da24170042a84c1f138087c5efe852fa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94052c07adc196c1c2e3a1bf27e2ac5da24170042a84c1f138087c5efe852fa9", kill_on_drop: false }` [INFO] [stdout] 94052c07adc196c1c2e3a1bf27e2ac5da24170042a84c1f138087c5efe852fa9 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 629dd3d5d54475cdf9c07102750060cba132c594272652b150b63045886517cd [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" "629dd3d5d54475cdf9c07102750060cba132c594272652b150b63045886517cd", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::inductive::Inductive` [INFO] [stderr] --> src/parser.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use crate::inductive::Inductive; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/expr.rs:573:13 [INFO] [stderr] | [INFO] [stderr] 573 | std::mem::replace(self, instd); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/reduction.rs:128:40 [INFO] [stderr] | [INFO] [stderr] 128 | Some(already) => { std::mem::replace(already, e2); }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/pretty/components.rs:222:21 [INFO] [stderr] | [INFO] [stderr] 222 | std::mem::replace(eol, (acc.len() + line_width)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nanoda-9e18607f75278f95) [INFO] [stdout] running 0 tests [INFO] [stderr] mimalloc: process init: 0x7fec82af17c0 [INFO] [stdout] [INFO] [stderr] mimalloc: debug level : 3 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] mimalloc: option 'pool_commit': 0 [INFO] [stdout] [INFO] [stderr] mimalloc: option 'page_reset': 0 [INFO] [stderr] mimalloc: option 'show_stats': 0 [INFO] [stderr] heap stats: peak total freed unit count [INFO] [stderr] elapsed: 0.001 s [INFO] [stderr] process: user: 0.000 s, system: 0.003 s, faults: 0, reclaims: 171, rss: 18.2 mb [INFO] [stderr] mimalloc: process done: 0x7fec82af17c0 [INFO] running `Command { std: "docker" "inspect" "629dd3d5d54475cdf9c07102750060cba132c594272652b150b63045886517cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "629dd3d5d54475cdf9c07102750060cba132c594272652b150b63045886517cd", kill_on_drop: false }` [INFO] [stdout] 629dd3d5d54475cdf9c07102750060cba132c594272652b150b63045886517cd