[INFO] updating cached repository https://github.com/CrimsonAndRed/MyLittleExpression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 101e6ec01fb117bbfe7cbc1b232d980b3e7c6360
[INFO] checking CrimsonAndRed/MyLittleExpression against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrimsonAndRed/MyLittleExpression on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CrimsonAndRed/MyLittleExpression
[INFO] finished tweaking git repo https://github.com/CrimsonAndRed/MyLittleExpression
[INFO] tweaked toml for git repo https://github.com/CrimsonAndRed/MyLittleExpression written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/CrimsonAndRed/MyLittleExpression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5126e06bf55fd06fe62c6251b50f914d0b94542bf6f3cd55333fda6c70108a66
[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" "5126e06bf55fd06fe62c6251b50f914d0b94542bf6f3cd55333fda6c70108a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5126e06bf55fd06fe62c6251b50f914d0b94542bf6f3cd55333fda6c70108a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5126e06bf55fd06fe62c6251b50f914d0b94542bf6f3cd55333fda6c70108a66", kill_on_drop: false }`
[INFO] [stdout] 5126e06bf55fd06fe62c6251b50f914d0b94542bf6f3cd55333fda6c70108a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 589c0024f3872a5710ad44e730d8395cd1fce7eb757ebf26c3c60db49c53f3b9
[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" "589c0024f3872a5710ad44e730d8395cd1fce7eb757ebf26c3c60db49c53f3b9", 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]     Checking expression_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_basic_config`
[INFO] [stdout]  --> tests/setup.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn setup_basic_config() -> ParserConfig<i64> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] [stdout] warning: function is never used: `setup_basic_config`
[INFO] [stdout]  --> tests/setup.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn setup_basic_config() -> ParserConfig<i64> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_basic_config`
[INFO] [stdout]  --> tests/setup.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) fn setup_basic_config() -> ParserConfig<i64> {
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "589c0024f3872a5710ad44e730d8395cd1fce7eb757ebf26c3c60db49c53f3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "589c0024f3872a5710ad44e730d8395cd1fce7eb757ebf26c3c60db49c53f3b9", kill_on_drop: false }`
[INFO] [stdout] 589c0024f3872a5710ad44e730d8395cd1fce7eb757ebf26c3c60db49c53f3b9