[INFO] cloning repository https://github.com/nrc/survey-processing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nrc/survey-processing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fsurvey-processing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fsurvey-processing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0e1da71aa56415bceb835a5ba0f6fcf5bb1cc78
[INFO] checking nrc/survey-processing against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnrc%2Fsurvey-processing" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nrc/survey-processing
[INFO] finished tweaking git repo https://github.com/nrc/survey-processing
[INFO] tweaked toml for git repo https://github.com/nrc/survey-processing written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nrc/survey-processing on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nrc/survey-processing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f91f72b30dd38cd9e0ad289d8b16ee5fae14d4f45edf7f0cd77e704b58c08ab8
[INFO] running `Command { std: "docker" "start" "-a" "f91f72b30dd38cd9e0ad289d8b16ee5fae14d4f45edf7f0cd77e704b58c08ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91f72b30dd38cd9e0ad289d8b16ee5fae14d4f45edf7f0cd77e704b58c08ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91f72b30dd38cd9e0ad289d8b16ee5fae14d4f45edf7f0cd77e704b58c08ab8", kill_on_drop: false }`
[INFO] [stdout] f91f72b30dd38cd9e0ad289d8b16ee5fae14d4f45edf7f0cd77e704b58c08ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 623b72bdd80157bb3ceb0bb4e324e8733b5b17e58c2bde85748572e0bbfa5248
[INFO] running `Command { std: "docker" "start" "-a" "623b72bdd80157bb3ceb0bb4e324e8733b5b17e58c2bde85748572e0bbfa5248", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking survey-proc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut bound = 0;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bound`
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut bound = 0;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bound`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut bound = 0;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bound`
[INFO] [stdout]    --> src/main.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     let mut bound = 0;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bound`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counts_multi` is never used
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn counts_multi(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bound_of_count` is never used
[INFO] [stdout]    --> src/main.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn bound_of_count(count: usize, count_bounds: &[usize]) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `levels` is never used
[INFO] [stdout]    --> src/main.rs:207:4
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn levels(range: Range<usize>, answers: &[Vec<String>]) -> HashMap<usize, u64> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram` is never used
[INFO] [stdout]    --> src/main.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn histogram(index: usize, answers: &[Vec<String>]) -> HashMap<String, u64> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram_grouped` is never used
[INFO] [stdout]    --> src/main.rs:233:4
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn histogram_grouped(index: usize, groups: &[&[&str]], answers: &[Vec<String>]) -> HashMap<String, u64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram2` is never used
[INFO] [stdout]    --> src/main.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn histogram2(i1: usize, i2: usize, answers: &[Vec<String>]) -> HashMap<(String, String), u64> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_question` is never used
[INFO] [stdout]    --> src/main.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn match_question(s: &str, questions: &[String]) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_table2` is never used
[INFO] [stdout]    --> src/main.rs:290:4
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn print_table2(map: HashMap<(impl fmt::Display, impl fmt::Display), impl fmt::Display>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counts_multi` is never used
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn counts_multi(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `levels` is never used
[INFO] [stdout]    --> src/main.rs:207:4
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn levels(range: Range<usize>, answers: &[Vec<String>]) -> HashMap<usize, u64> {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram` is never used
[INFO] [stdout]    --> src/main.rs:223:4
[INFO] [stdout]     |
[INFO] [stdout] 223 | fn histogram(index: usize, answers: &[Vec<String>]) -> HashMap<String, u64> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram_grouped` is never used
[INFO] [stdout]    --> src/main.rs:233:4
[INFO] [stdout]     |
[INFO] [stdout] 233 | fn histogram_grouped(index: usize, groups: &[&[&str]], answers: &[Vec<String>]) -> HashMap<String, u64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `histogram2` is never used
[INFO] [stdout]    --> src/main.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn histogram2(i1: usize, i2: usize, answers: &[Vec<String>]) -> HashMap<(String, String), u64> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_question` is never used
[INFO] [stdout]    --> src/main.rs:254:4
[INFO] [stdout]     |
[INFO] [stdout] 254 | fn match_question(s: &str, questions: &[String]) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_table2` is never used
[INFO] [stdout]    --> src/main.rs:290:4
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn print_table2(map: HashMap<(impl fmt::Display, impl fmt::Display), impl fmt::Display>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `type_ascription` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `type_ascription` is declared but not used
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "623b72bdd80157bb3ceb0bb4e324e8733b5b17e58c2bde85748572e0bbfa5248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "623b72bdd80157bb3ceb0bb4e324e8733b5b17e58c2bde85748572e0bbfa5248", kill_on_drop: false }`
[INFO] [stdout] 623b72bdd80157bb3ceb0bb4e324e8733b5b17e58c2bde85748572e0bbfa5248
