[INFO] cloning repository https://github.com/neoneye/loda-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neoneye/loda-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoneye%2Floda-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoneye%2Floda-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6553e2dfba3b93467d3dcbe0dad4224c33f5d8c
[INFO] checking neoneye/loda-lab against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneoneye%2Floda-lab" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neoneye/loda-lab on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neoneye/loda-lab
[INFO] finished tweaking git repo https://github.com/neoneye/loda-lab
[INFO] tweaked toml for git repo https://github.com/neoneye/loda-lab written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/neoneye/loda-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bloomfilter v1.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53695268144def93bdf7f26ad47e63693aff6a5a5c70a697026d73ed2a014395
[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" "53695268144def93bdf7f26ad47e63693aff6a5a5c70a697026d73ed2a014395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53695268144def93bdf7f26ad47e63693aff6a5a5c70a697026d73ed2a014395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53695268144def93bdf7f26ad47e63693aff6a5a5c70a697026d73ed2a014395", kill_on_drop: false }`
[INFO] [stdout] 53695268144def93bdf7f26ad47e63693aff6a5a5c70a697026d73ed2a014395
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d768fe5ef588a12a911909a0d3948944ef8d9eee1d5e6e69760995dcb5fa5db6
[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" "d768fe5ef588a12a911909a0d3948944ef8d9eee1d5e6e69760995dcb5fa5db6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking siphasher v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bloomfilter v1.0.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking loda_lab v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `toml::de::Error`
[INFO] [stdout]  --> src/config/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml::de::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_bigint::BigInt`
[INFO] [stdout]   --> src/control/subcommand_mine.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use num_bigint::BigInt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Zero`
[INFO] [stdout]   --> src/control/subcommand_mine.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use num_traits::Zero;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::check_fixed_length_sequence::*`
[INFO] [stdout]  --> src/mine/mine_experiments.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::check_fixed_length_sequence::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/config/config.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let homedir: PathBuf = match std::env::home_dir() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/control/subcommand_install.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let homedir: PathBuf = match std::env::home_dir() {
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::de::Error`
[INFO] [stdout]  --> src/config/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use toml::de::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_bigint::BigInt`
[INFO] [stdout]   --> src/control/subcommand_mine.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use num_bigint::BigInt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::Zero`
[INFO] [stdout]   --> src/control/subcommand_mine.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use num_traits::Zero;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/config/config.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let homedir: PathBuf = match std::env::home_dir() {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]  --> src/control/subcommand_install.rs:8:34
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let homedir: PathBuf = match std::env::home_dir() {
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mutate_trigger_division_by_zero`
[INFO] [stdout]   --> src/control/subcommand_mine.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn mutate_trigger_division_by_zero(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SwapRows`
[INFO] [stdout]    --> src/control/subcommand_mine.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     SwapRows,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InsertLoopBeginEnd`
[INFO] [stdout]    --> src/control/subcommand_mine.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     InsertLoopBeginEnd,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_terms`
[INFO] [stdout]   --> src/execute/program_runner.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn run_terms(&self, count: u64) -> Result<Vec<i64>, EvalError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_i64`
[INFO] [stdout]   --> src/execute/register_value.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn to_i64(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mutate_trigger_division_by_zero`
[INFO] [stdout]   --> src/control/subcommand_mine.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn mutate_trigger_division_by_zero(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SwapRows`
[INFO] [stdout]    --> src/control/subcommand_mine.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     SwapRows,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InsertLoopBeginEnd`
[INFO] [stdout]    --> src/control/subcommand_mine.rs:436:5
[INFO] [stdout]     |
[INFO] [stdout] 436 |     InsertLoopBeginEnd,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mock_new`
[INFO] [stdout]  --> src/mine/mine_experiments.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         pub fn mock_new() -> Self {
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.74s
[INFO] running `Command { std: "docker" "inspect" "d768fe5ef588a12a911909a0d3948944ef8d9eee1d5e6e69760995dcb5fa5db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d768fe5ef588a12a911909a0d3948944ef8d9eee1d5e6e69760995dcb5fa5db6", kill_on_drop: false }`
[INFO] [stdout] d768fe5ef588a12a911909a0d3948944ef8d9eee1d5e6e69760995dcb5fa5db6