[INFO] cloning repository https://github.com/bluemont/rs-uttt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bluemont/rs-uttt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluemont%2Frs-uttt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluemont%2Frs-uttt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] abe32eba01f7de9ba4143a1177e69ff4e153dc54 [INFO] checking bluemont/rs-uttt against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbluemont%2Frs-uttt" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bluemont/rs-uttt 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 git repo https://github.com/bluemont/rs-uttt [INFO] finished tweaking git repo https://github.com/bluemont/rs-uttt [INFO] tweaked toml for git repo https://github.com/bluemont/rs-uttt written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/bluemont/rs-uttt 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded postgres v0.13.3 [INFO] [stderr] Downloaded phf v0.7.20 [INFO] [stderr] Downloaded md5 v0.2.1 [INFO] [stderr] Downloaded phf_shared v0.7.20 [INFO] [stderr] Downloaded fallible-iterator v0.1.3 [INFO] [stderr] Downloaded lru-cache v0.1.0 [INFO] [stderr] Downloaded postgres-protocol v0.1.1 [INFO] [stderr] Downloaded quickcheck v0.3.2 [INFO] [stderr] Downloaded linked-hash-map v0.2.1 [INFO] [stderr] Downloaded libc v0.2.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f33f8a3b625ac2280f869a7e443af71597123d6f5939934a1ed805328222fb43 [INFO] running `Command { std: "docker" "start" "-a" "f33f8a3b625ac2280f869a7e443af71597123d6f5939934a1ed805328222fb43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f33f8a3b625ac2280f869a7e443af71597123d6f5939934a1ed805328222fb43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f33f8a3b625ac2280f869a7e443af71597123d6f5939934a1ed805328222fb43", kill_on_drop: false }` [INFO] [stdout] f33f8a3b625ac2280f869a7e443af71597123d6f5939934a1ed805328222fb43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 581f20225c49a209459b3a20ec15fe9a5042addb3e39ff83eb99c1240c1f2f45 [INFO] running `Command { std: "docker" "start" "-a" "581f20225c49a209459b3a20ec15fe9a5042addb3e39ff83eb99c1240c1f2f45", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.18 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Checking md5 v0.2.1 [INFO] [stderr] Checking hex v0.2.0 [INFO] [stderr] Checking phf_shared v0.7.20 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking fallible-iterator v0.1.3 [INFO] [stderr] Checking linked-hash-map v0.2.1 [INFO] [stderr] Checking bufstream v0.1.2 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking phf v0.7.20 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking lru-cache v0.1.0 [INFO] [stderr] Checking postgres-protocol v0.1.1 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking postgres v0.13.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking uttt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/runners.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | 'outer: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::solve::*` [INFO] [stdout] --> src/solver/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use self::solve::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver/devices/ssd.rs:67:21 [INFO] [stdout] | [INFO] [stdout] 67 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:106:41 [INFO] [stdout] | [INFO] [stdout] 106 | ... let mut mut_cache_2 = &mut *cache_2.borrow_mut(); [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/solver/devices/ssd.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | let mut mut_cache = &mut *cache.borrow_mut(); [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/solver/devices/ssd.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut mut_stats = &mut *stats.borrow_mut(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking quickcheck v0.3.2 [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/runners.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 132 | 'outer: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::solve::*` [INFO] [stdout] --> src/solver/mod.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub use self::solve::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(slice_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/solver/devices/ssd.rs:67:21 [INFO] [stdout] | [INFO] [stdout] 67 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:96:21 [INFO] [stdout] | [INFO] [stdout] 96 | let mut mut_cache_1 = &mut *cache_1.borrow_mut(); [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/solver/devices/ssd.rs:106:41 [INFO] [stdout] | [INFO] [stdout] 106 | ... let mut mut_cache_2 = &mut *cache_2.borrow_mut(); [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/solver/devices/ssd.rs:126:21 [INFO] [stdout] | [INFO] [stdout] 126 | let mut mut_cache = &mut *cache.borrow_mut(); [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/solver/devices/ssd.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | let mut mut_stats = &mut *stats.borrow_mut(); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "581f20225c49a209459b3a20ec15fe9a5042addb3e39ff83eb99c1240c1f2f45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581f20225c49a209459b3a20ec15fe9a5042addb3e39ff83eb99c1240c1f2f45", kill_on_drop: false }` [INFO] [stdout] 581f20225c49a209459b3a20ec15fe9a5042addb3e39ff83eb99c1240c1f2f45