[INFO] cloning repository https://github.com/Amphibological/meg [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Amphibological/meg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmphibological%2Fmeg", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmphibological%2Fmeg'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b94feb2a58feb57080481af6c8cbf02645dcecbc [INFO] checking Amphibological/meg against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAmphibological%2Fmeg" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Amphibological/meg on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Amphibological/meg [INFO] finished tweaking git repo https://github.com/Amphibological/meg [INFO] tweaked toml for git repo https://github.com/Amphibological/meg written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Amphibological/meg already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e27670097a7fb21ee844118d9f5435d324bccde2b76446dd7b8f9e051a1ab793 [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" "e27670097a7fb21ee844118d9f5435d324bccde2b76446dd7b8f9e051a1ab793", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e27670097a7fb21ee844118d9f5435d324bccde2b76446dd7b8f9e051a1ab793", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e27670097a7fb21ee844118d9f5435d324bccde2b76446dd7b8f9e051a1ab793", kill_on_drop: false }` [INFO] [stdout] e27670097a7fb21ee844118d9f5435d324bccde2b76446dd7b8f9e051a1ab793 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73eb471e9c6d6ea7ae628693638ca37fb4d128afc58769aadf773a4521c57758 [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" "73eb471e9c6d6ea7ae628693638ca37fb4d128afc58769aadf773a4521c57758", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling llvm-sys v100.1.1 [INFO] [stderr] Checking meg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `func` [INFO] [stdout] --> src/ir.rs:464:36 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_func` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `condition` [INFO] [stdout] --> src/ir.rs:464:57 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/ir.rs:464:87 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constant` [INFO] [stdout] --> src/ir.rs:464:112 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `func` [INFO] [stdout] --> src/ir.rs:464:36 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_func` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `condition` [INFO] [stdout] --> src/ir.rs:464:57 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_condition` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `body` [INFO] [stdout] --> src/ir.rs:464:87 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_body` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `constant` [INFO] [stdout] --> src/ir.rs:464:112 [INFO] [stdout] | [INFO] [stdout] 464 | fn while_expression(&mut self, func: &mut Function, condition: &Box, body: &Box, constant: bool) {} [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_constant` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_consume_identifier` [INFO] [stdout] --> src/parser.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn try_consume_identifier(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `try_consume_identifier` [INFO] [stdout] --> src/parser.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn try_consume_identifier(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 24.95s [INFO] running `Command { std: "docker" "inspect" "73eb471e9c6d6ea7ae628693638ca37fb4d128afc58769aadf773a4521c57758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73eb471e9c6d6ea7ae628693638ca37fb4d128afc58769aadf773a4521c57758", kill_on_drop: false }` [INFO] [stdout] 73eb471e9c6d6ea7ae628693638ca37fb4d128afc58769aadf773a4521c57758