[INFO] cloning repository https://github.com/plopgrizzly/nahar [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plopgrizzly/nahar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplopgrizzly%2Fnahar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplopgrizzly%2Fnahar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cb612a9f8a9fd7284e23d3ec5a0e83c951a31de8 [INFO] checking plopgrizzly/nahar against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplopgrizzly%2Fnahar" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/plopgrizzly/nahar on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/plopgrizzly/nahar [INFO] finished tweaking git repo https://github.com/plopgrizzly/nahar [INFO] tweaked toml for git repo https://github.com/plopgrizzly/nahar written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/plopgrizzly/nahar already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7700baea2aba3019fd3dacb40e5a57c0358d6956df43b52c0b5b11e5935ba49c [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" "7700baea2aba3019fd3dacb40e5a57c0358d6956df43b52c0b5b11e5935ba49c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7700baea2aba3019fd3dacb40e5a57c0358d6956df43b52c0b5b11e5935ba49c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7700baea2aba3019fd3dacb40e5a57c0358d6956df43b52c0b5b11e5935ba49c", kill_on_drop: false }` [INFO] [stdout] 7700baea2aba3019fd3dacb40e5a57c0358d6956df43b52c0b5b11e5935ba49c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 06f25f538254373a4ab6aa6363facb1f239e56fc5cc1020103c1b8fda3c0d77c [INFO] running `Command { std: "docker" "start" "-a" "06f25f538254373a4ab6aa6363facb1f239e56fc5cc1020103c1b8fda3c0d77c", kill_on_drop: false }` [INFO] [stderr] Checking nr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:44:6 [INFO] [stdout] | [INFO] [stdout] 44 | let mut buf_reader = BufReader::new(file); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mod` [INFO] [stdout] --> src/main.rs:18:2 [INFO] [stdout] | [INFO] [stdout] 18 | Mod, // mod - module exports [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Obj` [INFO] [stdout] --> src/main.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | Obj, // obj - object exports [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dep` [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | Dep, // dep - dependency imports [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fun` [INFO] [stdout] --> src/main.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | Fun, // fun - function [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Var` [INFO] [stdout] --> src/main.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | Var, // var - variable [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Con` [INFO] [stdout] --> src/main.rs:23:2 [INFO] [stdout] | [INFO] [stdout] 23 | Con, // con - constant [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mac` [INFO] [stdout] --> src/main.rs:24:2 [INFO] [stdout] | [INFO] [stdout] 24 | Mac, // mac - macro [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ffi` [INFO] [stdout] --> src/main.rs:25:2 [INFO] [stdout] | [INFO] [stdout] 25 | Ffi, // ffi - foreign function interface [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fvi` [INFO] [stdout] --> src/main.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | Fvi, // fvi - foreign variable interface [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Set` [INFO] [stdout] --> src/main.rs:27:2 [INFO] [stdout] | [INFO] [stdout] 27 | Set, // set - set a built-in function for this module or object. [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:44:6 [INFO] [stdout] | [INFO] [stdout] 44 | let mut buf_reader = BufReader::new(file); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mod` [INFO] [stdout] --> src/main.rs:18:2 [INFO] [stdout] | [INFO] [stdout] 18 | Mod, // mod - module exports [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Obj` [INFO] [stdout] --> src/main.rs:19:2 [INFO] [stdout] | [INFO] [stdout] 19 | Obj, // obj - object exports [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dep` [INFO] [stdout] --> src/main.rs:20:2 [INFO] [stdout] | [INFO] [stdout] 20 | Dep, // dep - dependency imports [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fun` [INFO] [stdout] --> src/main.rs:21:2 [INFO] [stdout] | [INFO] [stdout] 21 | Fun, // fun - function [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Var` [INFO] [stdout] --> src/main.rs:22:2 [INFO] [stdout] | [INFO] [stdout] 22 | Var, // var - variable [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Con` [INFO] [stdout] --> src/main.rs:23:2 [INFO] [stdout] | [INFO] [stdout] 23 | Con, // con - constant [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mac` [INFO] [stdout] --> src/main.rs:24:2 [INFO] [stdout] | [INFO] [stdout] 24 | Mac, // mac - macro [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ffi` [INFO] [stdout] --> src/main.rs:25:2 [INFO] [stdout] | [INFO] [stdout] 25 | Ffi, // ffi - foreign function interface [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Fvi` [INFO] [stdout] --> src/main.rs:26:2 [INFO] [stdout] | [INFO] [stdout] 26 | Fvi, // fvi - foreign variable interface [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Set` [INFO] [stdout] --> src/main.rs:27:2 [INFO] [stdout] | [INFO] [stdout] 27 | Set, // set - set a built-in function for this module or object. [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "06f25f538254373a4ab6aa6363facb1f239e56fc5cc1020103c1b8fda3c0d77c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f25f538254373a4ab6aa6363facb1f239e56fc5cc1020103c1b8fda3c0d77c", kill_on_drop: false }` [INFO] [stdout] 06f25f538254373a4ab6aa6363facb1f239e56fc5cc1020103c1b8fda3c0d77c