[INFO] cloning repository https://github.com/KrishnaSannasi/compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KrishnaSannasi/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrishnaSannasi%2Fcompiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrishnaSannasi%2Fcompiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1748b0c0e81974de6640d165bcecb5ac2efbf496 [INFO] checking KrishnaSannasi/compiler against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKrishnaSannasi%2Fcompiler" "/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/KrishnaSannasi/compiler on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KrishnaSannasi/compiler [INFO] finished tweaking git repo https://github.com/KrishnaSannasi/compiler [INFO] tweaked toml for git repo https://github.com/KrishnaSannasi/compiler written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51239f20d6b951d667e08b17c530735f3620f6c2e11eb731ac80ef6cd66b3490 [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" "51239f20d6b951d667e08b17c530735f3620f6c2e11eb731ac80ef6cd66b3490", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51239f20d6b951d667e08b17c530735f3620f6c2e11eb731ac80ef6cd66b3490", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51239f20d6b951d667e08b17c530735f3620f6c2e11eb731ac80ef6cd66b3490", kill_on_drop: false }` [INFO] [stdout] 51239f20d6b951d667e08b17c530735f3620f6c2e11eb731ac80ef6cd66b3490 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cca45261463c131664f9a468d1c6158882c702fd1babcadca8ef89b3d62939ca [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" "cca45261463c131664f9a468d1c6158882c702fd1babcadca8ef89b3d62939ca", kill_on_drop: false }` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lib-error v0.1.0 (/opt/rustwide/workdir/interface/lib-error) [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking lib-arena v0.1.0 (/opt/rustwide/workdir/tools/lib-arena) [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking once_cell v0.1.8 [INFO] [stderr] Checking lib-str-interner v0.1.0 (/opt/rustwide/workdir/tools/lib-str-interner) [INFO] [stderr] Checking lib-lexer-types v0.1.0 (/opt/rustwide/workdir/interface/lib-lexer-types) [INFO] [stderr] Checking lib-parser-types v0.1.0 (/opt/rustwide/workdir/interface/lib-parser-types) [INFO] [stderr] Checking lib-lexer v0.1.0 (/opt/rustwide/workdir/core/lib-lexer) [INFO] [stderr] Checking lib-parser v0.1.0 (/opt/rustwide/workdir/core/lib-parser) [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> core/lib-parser/src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let left = self.parse_primary()?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> core/lib-parser/src/lib.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let right = self.parse_primary()?; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_arith_prod` [INFO] [stdout] --> core/lib-parser/src/lib.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 131 | fn parse_arith_prod(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `left` [INFO] [stdout] --> core/lib-parser/src/lib.rs:132:13 [INFO] [stdout] | [INFO] [stdout] 132 | let left = self.parse_primary()?; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `right` [INFO] [stdout] --> core/lib-parser/src/lib.rs:136:17 [INFO] [stdout] | [INFO] [stdout] 136 | let right = self.parse_primary()?; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_right` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_arith_prod` [INFO] [stdout] --> core/lib-parser/src/lib.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 131 | fn parse_arith_prod(&mut self) -> Result> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [optimized + debuginfo] target(s) in 15.43s [INFO] running `Command { std: "docker" "inspect" "cca45261463c131664f9a468d1c6158882c702fd1babcadca8ef89b3d62939ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cca45261463c131664f9a468d1c6158882c702fd1babcadca8ef89b3d62939ca", kill_on_drop: false }` [INFO] [stdout] cca45261463c131664f9a468d1c6158882c702fd1babcadca8ef89b3d62939ca