[INFO] cloning repository https://github.com/phiresky/csv-cooccurrence-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phiresky/csv-cooccurrence-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphiresky%2Fcsv-cooccurrence-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphiresky%2Fcsv-cooccurrence-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bcdffc31fee5e052c7fa204ca817e5a6b80b40d
[INFO] checking phiresky/csv-cooccurrence-graph against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphiresky%2Fcsv-cooccurrence-graph" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phiresky/csv-cooccurrence-graph
[INFO] finished tweaking git repo https://github.com/phiresky/csv-cooccurrence-graph
[INFO] tweaked toml for git repo https://github.com/phiresky/csv-cooccurrence-graph written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phiresky/csv-cooccurrence-graph on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phiresky/csv-cooccurrence-graph 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7d5f9b893387e4cee4070cd41c46d9bf0e8033d9a9a62aee260e82b10ba7989
[INFO] running `Command { std: "docker" "start" "-a" "f7d5f9b893387e4cee4070cd41c46d9bf0e8033d9a9a62aee260e82b10ba7989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7d5f9b893387e4cee4070cd41c46d9bf0e8033d9a9a62aee260e82b10ba7989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d5f9b893387e4cee4070cd41c46d9bf0e8033d9a9a62aee260e82b10ba7989", kill_on_drop: false }`
[INFO] [stdout] f7d5f9b893387e4cee4070cd41c46d9bf0e8033d9a9a62aee260e82b10ba7989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e9d23eaaa6ab390b7d2a363acbc999b212efff767e7ec78bb429250649ba13c
[INFO] running `Command { std: "docker" "start" "-a" "9e9d23eaaa6ab390b7d2a363acbc999b212efff767e7ec78bb429250649ba13c", kill_on_drop: false }`
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
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[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking vec_map v0.8.2
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[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking ansi_term v0.11.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
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[INFO] [stderr]     Checking ahash v0.3.8
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[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.3.9
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[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking unic-ucd v0.9.0
[INFO] [stderr]     Checking csv-cooccurrence-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Context, Result};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bail`
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Context, Result};
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tweet_year`
[INFO] [stdout]    --> src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let tweet_year = &record[0];
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tweet_year`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tweet_year`
[INFO] [stdout]    --> src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let tweet_year = &record[0];
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tweet_year`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/main.rs:321:18
[INFO] [stdout]     |
[INFO] [stdout] 321 |             let (tag, _) = nodes.get_index(inx_1).unwrap();
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/main.rs:321:18
[INFO] [stdout]     |
[INFO] [stdout] 321 |             let (tag, _) = nodes.get_index(inx_1).unwrap();
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag2`
[INFO] [stdout]    --> src/main.rs:322:18
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let (tag2, _) = nodes.get_index(inx_2).unwrap();
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tag2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tag2`
[INFO] [stdout]    --> src/main.rs:322:18
[INFO] [stdout]     |
[INFO] [stdout] 322 |             let (tag2, _) = nodes.get_index(inx_2).unwrap();
[INFO] [stdout]     |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tag2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debugemoji` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn debugemoji(str: &str) {
[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 `debugemoji` is never used
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn debugemoji(str: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min_to_retain_nodes` should have an upper case name
[INFO] [stdout]    --> src/main.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 | const min_to_retain_nodes: i64 = 7;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 185 - const min_to_retain_nodes: i64 = 7;
[INFO] [stdout] 185 + const MIN_TO_RETAIN_NODES: i64 = 7;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min_to_retain_nodes` should have an upper case name
[INFO] [stdout]    --> src/main.rs:185:7
[INFO] [stdout]     |
[INFO] [stdout] 185 | const min_to_retain_nodes: i64 = 7;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 185 - const min_to_retain_nodes: i64 = 7;
[INFO] [stdout] 185 + const MIN_TO_RETAIN_NODES: i64 = 7;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min_to_retain_edges` should have an upper case name
[INFO] [stdout]    --> src/main.rs:186:7
[INFO] [stdout]     |
[INFO] [stdout] 186 | const min_to_retain_edges: i64 = 3;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 186 - const min_to_retain_edges: i64 = 3;
[INFO] [stdout] 186 + const MIN_TO_RETAIN_EDGES: i64 = 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `min_to_retain_edges` should have an upper case name
[INFO] [stdout]    --> src/main.rs:186:7
[INFO] [stdout]     |
[INFO] [stdout] 186 | const min_to_retain_edges: i64 = 3;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 186 - const min_to_retain_edges: i64 = 3;
[INFO] [stdout] 186 + const MIN_TO_RETAIN_EDGES: i64 = 3;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     /// The input csv path
[INFO] [stdout] 250 | |     path: String,
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/main.rs:249:5
[INFO] [stdout]     |
[INFO] [stdout] 249 | /     /// The input csv path
[INFO] [stdout] 250 | |     path: String,
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `csv-cooccurrence-graph` (bin "csv-cooccurrence-graph" test) due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `csv-cooccurrence-graph` (bin "csv-cooccurrence-graph") due to 1 previous error; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "9e9d23eaaa6ab390b7d2a363acbc999b212efff767e7ec78bb429250649ba13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e9d23eaaa6ab390b7d2a363acbc999b212efff767e7ec78bb429250649ba13c", kill_on_drop: false }`
[INFO] [stdout] 9e9d23eaaa6ab390b7d2a363acbc999b212efff767e7ec78bb429250649ba13c
