[INFO] cloning repository https://github.com/a-bakos/qcop-analytics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-bakos/qcop-analytics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bakos%2Fqcop-analytics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bakos%2Fqcop-analytics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51185b358956c3a682db524840891fa77885a04b
[INFO] checking a-bakos/qcop-analytics against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bakos%2Fqcop-analytics" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-bakos/qcop-analytics on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/a-bakos/qcop-analytics
[INFO] finished tweaking git repo https://github.com/a-bakos/qcop-analytics
[INFO] tweaked toml for git repo https://github.com/a-bakos/qcop-analytics written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/a-bakos/qcop-analytics 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80dc4eadf56aa4262ae8e3ada51abd71294b8a998f4f6042acd5116442a1812a
[INFO] running `Command { std: "docker" "start" "-a" "80dc4eadf56aa4262ae8e3ada51abd71294b8a998f4f6042acd5116442a1812a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80dc4eadf56aa4262ae8e3ada51abd71294b8a998f4f6042acd5116442a1812a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80dc4eadf56aa4262ae8e3ada51abd71294b8a998f4f6042acd5116442a1812a", kill_on_drop: false }`
[INFO] [stdout] 80dc4eadf56aa4262ae8e3ada51abd71294b8a998f4f6042acd5116442a1812a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec543c611a713df578681c7ba5bc414f8d6e7afd237eab12590858b3ec55431
[INFO] running `Command { std: "docker" "start" "-a" "9ec543c611a713df578681c7ba5bc414f8d6e7afd237eab12590858b3ec55431", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking urlencoding v2.1.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking qcop-analytics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::num::ParseFloatError`
[INFO] [stdout]  --> src/csv.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::num::ParseFloatError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseFloatError`
[INFO] [stdout]  --> src/csv.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::num::ParseFloatError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/csv.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item_meta`
[INFO] [stdout]    --> src/records.rs:219:34
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 for (item_count, item_meta) in self.map_by_counter.iter() {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_item_meta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPECIAL_KEYWORD_LIST` is never used
[INFO] [stdout]   --> src/consts.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SPECIAL_KEYWORD_LIST: [&str; 0] = [];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_OUTPUT_FILE_NAME_ORDER_BY_AZ` is never used
[INFO] [stdout]   --> src/consts.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const CSV_OUTPUT_FILE_NAME_ORDER_BY_AZ: &str = "export/collection-order-by-az.csv";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_OUTPUT_FILE_NAME_ORDER_BY_SOURCE` is never used
[INFO] [stdout]   --> src/consts.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const CSV_OUTPUT_FILE_NAME_ORDER_BY_SOURCE: &str = "export/collection-order-by-source.csv";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_ID` is never used
[INFO] [stdout]   --> src/consts.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const CSV_COLUMN_INDEX_ID: usize = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_EMAIL` is never used
[INFO] [stdout]   --> src/consts.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const CSV_COLUMN_INDEX_EMAIL: usize = 6;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_TEMP_ID` is never used
[INFO] [stdout]   --> src/consts.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const CSV_COLUMN_INDEX_TEMP_ID: usize = 7;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_IP` is never used
[INFO] [stdout]   --> src/consts.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const CSV_COLUMN_INDEX_IP: usize = 9;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAINTED_TARGETS` is never used
[INFO] [stdout]    --> src/consts.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub const TAINTED_TARGETS: [&str; 5] = [
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRIP_FROM_ENTRY` is never used
[INFO] [stdout]    --> src/consts.rs:175:11
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub const STRIP_FROM_ENTRY: [&str; 2] = ["\"", "\\""];
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_nonlatin_chars` is never used
[INFO] [stdout]    --> src/data_filters.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn filter_nonlatin_chars(keyword: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `top_targets` is never read
[INFO] [stdout]   --> src/records.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct RecordCollection {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub top_targets: BTreeMap<String, Vec<CleanRecord>>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecordCollection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MapType` is never used
[INFO] [stdout]   --> src/records.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum MapType {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_top_counts`, `find_top_targets`, and `show_stats` are never used
[INFO] [stdout]    --> src/records.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 91  | impl RecordCollection {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 214 |     fn find_top_counts(&self, map_type: MapType) -> Vec<&u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn find_top_targets(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn show_stats(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item_meta`
[INFO] [stdout]    --> src/records.rs:219:34
[INFO] [stdout]     |
[INFO] [stdout] 219 |                 for (item_count, item_meta) in self.map_by_counter.iter() {
[INFO] [stdout]     |                                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_item_meta`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPECIAL_KEYWORD_LIST` is never used
[INFO] [stdout]   --> src/consts.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const SPECIAL_KEYWORD_LIST: [&str; 0] = [];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_OUTPUT_FILE_NAME_ORDER_BY_AZ` is never used
[INFO] [stdout]   --> src/consts.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub const CSV_OUTPUT_FILE_NAME_ORDER_BY_AZ: &str = "export/collection-order-by-az.csv";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_OUTPUT_FILE_NAME_ORDER_BY_SOURCE` is never used
[INFO] [stdout]   --> src/consts.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub const CSV_OUTPUT_FILE_NAME_ORDER_BY_SOURCE: &str = "export/collection-order-by-source.csv";
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_ID` is never used
[INFO] [stdout]   --> src/consts.rs:37:11
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub const CSV_COLUMN_INDEX_ID: usize = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_EMAIL` is never used
[INFO] [stdout]   --> src/consts.rs:43:11
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub const CSV_COLUMN_INDEX_EMAIL: usize = 6;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_TEMP_ID` is never used
[INFO] [stdout]   --> src/consts.rs:44:11
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub const CSV_COLUMN_INDEX_TEMP_ID: usize = 7;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSV_COLUMN_INDEX_IP` is never used
[INFO] [stdout]   --> src/consts.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const CSV_COLUMN_INDEX_IP: usize = 9;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAINTED_TARGETS` is never used
[INFO] [stdout]    --> src/consts.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 | pub const TAINTED_TARGETS: [&str; 5] = [
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STRIP_FROM_ENTRY` is never used
[INFO] [stdout]    --> src/consts.rs:175:11
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub const STRIP_FROM_ENTRY: [&str; 2] = ["\"", "\\&quot;"];
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `filter_nonlatin_chars` is never used
[INFO] [stdout]    --> src/data_filters.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn filter_nonlatin_chars(keyword: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `top_targets` is never read
[INFO] [stdout]   --> src/records.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub struct RecordCollection {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub top_targets: BTreeMap<String, Vec<CleanRecord>>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecordCollection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MapType` is never used
[INFO] [stdout]   --> src/records.rs:86:6
[INFO] [stdout]    |
[INFO] [stdout] 86 | enum MapType {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `find_top_counts`, `find_top_targets`, and `show_stats` are never used
[INFO] [stdout]    --> src/records.rs:214:8
[INFO] [stdout]     |
[INFO] [stdout] 91  | impl RecordCollection {
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 214 |     fn find_top_counts(&self, map_type: MapType) -> Vec<&u32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 256 |     pub fn find_top_targets(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 273 |     pub fn show_stats(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "9ec543c611a713df578681c7ba5bc414f8d6e7afd237eab12590858b3ec55431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec543c611a713df578681c7ba5bc414f8d6e7afd237eab12590858b3ec55431", kill_on_drop: false }`
[INFO] [stdout] 9ec543c611a713df578681c7ba5bc414f8d6e7afd237eab12590858b3ec55431