[INFO] cloning repository https://github.com/CrimsonAndRed/MyLittleExpression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CrimsonAndRed/MyLittleExpression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 987d2ceb6717680532ccd6f72351ae7e0290d40f
[INFO] checking CrimsonAndRed/MyLittleExpression against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCrimsonAndRed%2FMyLittleExpression" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CrimsonAndRed/MyLittleExpression on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-0/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d75f5bcace18ac597948a16bb75f049bac174ce5f5cc49f34adcc79f76aa8b0
[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" "6d75f5bcace18ac597948a16bb75f049bac174ce5f5cc49f34adcc79f76aa8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d75f5bcace18ac597948a16bb75f049bac174ce5f5cc49f34adcc79f76aa8b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d75f5bcace18ac597948a16bb75f049bac174ce5f5cc49f34adcc79f76aa8b0", kill_on_drop: false }`
[INFO] [stdout] 6d75f5bcace18ac597948a16bb75f049bac174ce5f5cc49f34adcc79f76aa8b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5bf4db01f85356fa44602f1c53763e7259aca88e24548d7f504c6755d20d959
[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" "a5bf4db01f85356fa44602f1c53763e7259aca88e24548d7f504c6755d20d959", kill_on_drop: false }`
[INFO] [stderr]     Checking expression_parser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::Operator`
[INFO] [stdout]  --> src/big_integer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Operator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Operand`
[INFO] [stdout]  --> src/big_integer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Operand;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ParserConfig`
[INFO] [stdout]  --> src/big_integer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ParserConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Operator`
[INFO] [stdout]  --> src/big_integer.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Operator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Operand`
[INFO] [stdout]  --> src/big_integer.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Operand;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ParserConfig`
[INFO] [stdout]  --> src/big_integer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::ParserConfig;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[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] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub 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:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub 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: unused import: `std::str::FromStr`
[INFO] [stdout]  --> tests/big_integer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub 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:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setup_floats_config`
[INFO] [stdout]   --> tests/setup.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub 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:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub 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_basic_config`
[INFO] [stdout]  --> tests/setup.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub 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: 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:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub 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:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn setup_floats_config() -> ParserConfig<f64> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5bf4db01f85356fa44602f1c53763e7259aca88e24548d7f504c6755d20d959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5bf4db01f85356fa44602f1c53763e7259aca88e24548d7f504c6755d20d959", kill_on_drop: false }`
[INFO] [stdout] a5bf4db01f85356fa44602f1c53763e7259aca88e24548d7f504c6755d20d959
