[INFO] cloning repository https://github.com/cgag/loc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cgag/loc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgag%2Floc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgag%2Floc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e0c7f434ddfd51439e1d4eb126f31b7a04229d9 [INFO] checking cgag/loc against master#8424f8e8cdf07010967a57584fd647b30e930d4d for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgag%2Floc" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cgag/loc on toolchain 8424f8e8cdf07010967a57584fd647b30e930d4d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cgag/loc [INFO] finished tweaking git repo https://github.com/cgag/loc [INFO] tweaked toml for git repo https://github.com/cgag/loc written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cgag/loc already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded deque v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a3ea735749bf2006e84346f0c3c43093730022cb1aeeb46ef794bfa000197144 [INFO] running `Command { std: "docker" "start" "-a" "a3ea735749bf2006e84346f0c3c43093730022cb1aeeb46ef794bfa000197144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a3ea735749bf2006e84346f0c3c43093730022cb1aeeb46ef794bfa000197144", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3ea735749bf2006e84346f0c3c43093730022cb1aeeb46ef794bfa000197144", kill_on_drop: false }` [INFO] [stdout] a3ea735749bf2006e84346f0c3c43093730022cb1aeeb46ef794bfa000197144 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8424f8e8cdf07010967a57584fd647b30e930d4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 075cf9e92234f9d05662c07f6c491c4d1f195786321f90aef7af5465506ffbbd [INFO] running `Command { std: "docker" "start" "-a" "075cf9e92234f9d05662c07f6c491c4d1f195786321f90aef7af5465506ffbbd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking edit-distance v2.1.0 [INFO] [stderr] Checking deque v0.3.2 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking loc v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "075cf9e92234f9d05662c07f6c491c4d1f195786321f90aef7af5465506ffbbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "075cf9e92234f9d05662c07f6c491c4d1f195786321f90aef7af5465506ffbbd", kill_on_drop: false }` [INFO] [stdout] 075cf9e92234f9d05662c07f6c491c4d1f195786321f90aef7af5465506ffbbd [INFO] checking cgag/loc against try#047472f299946caf090d1b5608ae4bd9f0416256+rustflags=-Ddereferencing_mut_binding for pr-120095 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcgag%2Floc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cgag/loc on toolchain 047472f299946caf090d1b5608ae4bd9f0416256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cgag/loc [INFO] finished tweaking git repo https://github.com/cgag/loc [INFO] tweaked toml for git repo https://github.com/cgag/loc written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/cgag/loc already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cfc03c76d3ff5d5314d430c1787f366bfc4495b39f3279e473c6b93295a77e86 [INFO] running `Command { std: "docker" "start" "-a" "cfc03c76d3ff5d5314d430c1787f366bfc4495b39f3279e473c6b93295a77e86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cfc03c76d3ff5d5314d430c1787f366bfc4495b39f3279e473c6b93295a77e86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfc03c76d3ff5d5314d430c1787f366bfc4495b39f3279e473c6b93295a77e86", kill_on_drop: false }` [INFO] [stdout] cfc03c76d3ff5d5314d430c1787f366bfc4495b39f3279e473c6b93295a77e86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Ddereferencing_mut_binding" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+047472f299946caf090d1b5608ae4bd9f0416256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e84574b773cd6159e3a4e716b82b7ca66d0734d6a7da4ad188183454b27cb62 [INFO] running `Command { std: "docker" "start" "-a" "8e84574b773cd6159e3a4e716b82b7ca66d0734d6a7da4ad188183454b27cb62", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking deque v0.3.2 [INFO] [stderr] Checking edit-distance v2.1.0 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking loc v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: dereferencing `mut` binding [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [INFO] [stdout] | ^^^^^^^ `mut` dereferences the type of this binding [INFO] [stdout] | [INFO] [stdout] help: this will change in edition 2024 [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] = note: requested on the command line with `-D dereferencing-mut-binding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: dereferencing `mut` binding [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [INFO] [stdout] | ^^^^^^^ `mut` dereferences the type of this binding [INFO] [stdout] | [INFO] [stdout] help: this will change in edition 2024 [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] = note: requested on the command line with `-D dereferencing-mut-binding` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:693:29 [INFO] [stdout] | [INFO] [stdout] 693 | let (_, mut end) = multi_stack.last().expect("stack last"); [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] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `loc` (lib test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `loc` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "8e84574b773cd6159e3a4e716b82b7ca66d0734d6a7da4ad188183454b27cb62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e84574b773cd6159e3a4e716b82b7ca66d0734d6a7da4ad188183454b27cb62", kill_on_drop: false }` [INFO] [stdout] 8e84574b773cd6159e3a4e716b82b7ca66d0734d6a7da4ad188183454b27cb62