[INFO] cloning repository https://github.com/rmsthebest/nullable-first-follow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmsthebest/nullable-first-follow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmsthebest%2Fnullable-first-follow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmsthebest%2Fnullable-first-follow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fac3a77c4de1f7e645a1fbdf8369b31179f69de5 [INFO] testing rmsthebest/nullable-first-follow against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmsthebest%2Fnullable-first-follow" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rmsthebest/nullable-first-follow on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rmsthebest/nullable-first-follow [INFO] finished tweaking git repo https://github.com/rmsthebest/nullable-first-follow [INFO] tweaked toml for git repo https://github.com/rmsthebest/nullable-first-follow written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/rmsthebest/nullable-first-follow already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hashbrown v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f068a40284394462c7ef23da20ca10e1ae07410c38f9c74f2c6486313ac3c84f [INFO] running `Command { std: "docker" "start" "-a" "f068a40284394462c7ef23da20ca10e1ae07410c38f9c74f2c6486313ac3c84f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f068a40284394462c7ef23da20ca10e1ae07410c38f9c74f2c6486313ac3c84f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f068a40284394462c7ef23da20ca10e1ae07410c38f9c74f2c6486313ac3c84f", kill_on_drop: false }` [INFO] [stdout] f068a40284394462c7ef23da20ca10e1ae07410c38f9c74f2c6486313ac3c84f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5e053397357974df765d7a358f31bdc97f6af6cd846f58957b40646db7b5b2e [INFO] running `Command { std: "docker" "start" "-a" "c5e053397357974df765d7a358f31bdc97f6af6cd846f58957b40646db7b5b2e", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling hashbrown v0.1.0 [INFO] [stderr] Compiling nff v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut rhs = side.next().expect("Missing right hand side").trim().chars(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.21s [INFO] running `Command { std: "docker" "inspect" "c5e053397357974df765d7a358f31bdc97f6af6cd846f58957b40646db7b5b2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5e053397357974df765d7a358f31bdc97f6af6cd846f58957b40646db7b5b2e", kill_on_drop: false }` [INFO] [stdout] c5e053397357974df765d7a358f31bdc97f6af6cd846f58957b40646db7b5b2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e9714bfc878d9d1d0353bb169e693381f8f07c206a7fd6d51019c22c889bf9d8 [INFO] running `Command { std: "docker" "start" "-a" "e9714bfc878d9d1d0353bb169e693381f8f07c206a7fd6d51019c22c889bf9d8", kill_on_drop: false }` [INFO] [stderr] Compiling nff v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut rhs = side.next().expect("Missing right hand side").trim().chars(); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | let mut rhs = side.next().expect("Missing right hand side").trim().chars(); [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.79s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e9714bfc878d9d1d0353bb169e693381f8f07c206a7fd6d51019c22c889bf9d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9714bfc878d9d1d0353bb169e693381f8f07c206a7fd6d51019c22c889bf9d8", kill_on_drop: false }` [INFO] [stdout] e9714bfc878d9d1d0353bb169e693381f8f07c206a7fd6d51019c22c889bf9d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1c9b4e7452a7d5eec5f9f30f1f291366e3aefa95f268f687bfc3ef4eb8110cf5 [INFO] running `Command { std: "docker" "start" "-a" "1c9b4e7452a7d5eec5f9f30f1f291366e3aefa95f268f687bfc3ef4eb8110cf5", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | let mut rhs = side.next().expect("Missing right hand side").trim().chars(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:61:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 61 | let mut rhs = side.next().expect("Missing right hand side").trim().chars(); [INFO] [stdout] [INFO] [stderr] | ----^^^ [INFO] [stdout] [INFO] [stderr] | | [INFO] [stdout] running 0 tests [INFO] [stderr] | help: remove this `mut` [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nff-3507122a99fccadd) [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/nff-842389c6e16a6406) [INFO] [stderr] Doc-tests nff [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1c9b4e7452a7d5eec5f9f30f1f291366e3aefa95f268f687bfc3ef4eb8110cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c9b4e7452a7d5eec5f9f30f1f291366e3aefa95f268f687bfc3ef4eb8110cf5", kill_on_drop: false }` [INFO] [stdout] 1c9b4e7452a7d5eec5f9f30f1f291366e3aefa95f268f687bfc3ef4eb8110cf5