[INFO] fetching crate llvm-support 0.0.3...
[INFO] checking llvm-support-0.0.3 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate llvm-support 0.0.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate llvm-support 0.0.3 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate llvm-support 0.0.3
[INFO] finished tweaking crates.io crate llvm-support 0.0.3
[INFO] tweaked toml for crates.io crate llvm-support 0.0.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding num_enum v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (latest: v0.7.3)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.76)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7beb481af60642f5cd7cd6d34d6a7e2a683cb5f0a8644f5b395114fda299d396
[INFO] running `Command { std: "docker" "start" "-a" "7beb481af60642f5cd7cd6d34d6a7e2a683cb5f0a8644f5b395114fda299d396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7beb481af60642f5cd7cd6d34d6a7e2a683cb5f0a8644f5b395114fda299d396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7beb481af60642f5cd7cd6d34d6a7e2a683cb5f0a8644f5b395114fda299d396", kill_on_drop: false }`
[INFO] [stdout] 7beb481af60642f5cd7cd6d34d6a7e2a683cb5f0a8644f5b395114fda299d396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d88618baf02278a92ece99fcc5a1cfe7986c1ca36f0df5e99c1c60e060f2ce
[INFO] running `Command { std: "docker" "start" "-a" "f6d88618baf02278a92ece99fcc5a1cfe7986c1ca36f0df5e99c1c60e060f2ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling llvm-support v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/align.rs:501:25
[INFO] [stdout]     |
[INFO] [stdout] 501 |                     let mut other = self.0.get_mut(pos).unwrap();
[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/align.rs:729:25
[INFO] [stdout]     |
[INFO] [stdout] 729 |                     let mut other = self.0.get_mut(pos).unwrap();
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/align.rs:501:25
[INFO] [stdout]     |
[INFO] [stdout] 501 |                     let mut other = self.0.get_mut(pos).unwrap();
[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/align.rs:729:25
[INFO] [stdout]     |
[INFO] [stdout] 729 |                     let mut other = self.0.get_mut(pos).unwrap();
[INFO] [stdout]     |                         ----^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[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` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "f6d88618baf02278a92ece99fcc5a1cfe7986c1ca36f0df5e99c1c60e060f2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d88618baf02278a92ece99fcc5a1cfe7986c1ca36f0df5e99c1c60e060f2ce", kill_on_drop: false }`
[INFO] [stdout] f6d88618baf02278a92ece99fcc5a1cfe7986c1ca36f0df5e99c1c60e060f2ce