[INFO] cloning repository https://github.com/asdfer-1234/dictionary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asdfer-1234/dictionary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasdfer-1234%2Fdictionary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasdfer-1234%2Fdictionary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42d6ee70365d7b3e88d09eef33e3a1f94e114e1d
[INFO] building asdfer-1234/dictionary against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasdfer-1234%2Fdictionary" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asdfer-1234/dictionary on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asdfer-1234/dictionary
[INFO] finished tweaking git repo https://github.com/asdfer-1234/dictionary
[INFO] tweaked toml for git repo https://github.com/asdfer-1234/dictionary written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/asdfer-1234/dictionary 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling hangeul v0.0.0 (/opt/rustwide/workdir/crates/hangeul)
[INFO] [stderr]    Compiling typetag v0.2.16
[INFO] [stderr]    Compiling dictionary v0.1.0 (/opt/rustwide/workdir/crates/dictionary)
[INFO] [stdout] warning: struct `ChoseongNodeEntryIterator` is never constructed
[INFO] [stdout]    --> crates/dictionary/src/language/korean/char_tree/char_node.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct ChoseongNodeEntryIterator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> crates/dictionary/src/language/korean/char_tree/char_node.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn iter_syllables(&self) -> ChoseongNodeSyllableIterator {
[INFO] [stdout]     |                           ^^^^^     ---------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn iter_syllables(&self) -> ChoseongNodeSyllableIterator<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cairo-rs v0.19.4
[INFO] [stderr]    Compiling graphene-rs v0.19.2
[INFO] [stderr]    Compiling pango v0.19.5
[INFO] [stderr]    Compiling gdk-pixbuf v0.19.2
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[INFO] [stderr]    Compiling libadwaita v0.6.0
[INFO] [stderr]    Compiling relm4 v0.8.1
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/crates/client)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> crates/client/src/gui/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parser` is never used
[INFO] [stdout]   --> crates/client/src/parser/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Parser<T: Dictionary> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crates/client/src/gui/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct App {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 18 |     config: Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `App` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 04s
[INFO] running `Command { std: "docker" "inspect" "a05241a97934a5b31f9d664e1b1e622efb3486e6fcd931f61ea0d95bda5c39fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a05241a97934a5b31f9d664e1b1e622efb3486e6fcd931f61ea0d95bda5c39fc", kill_on_drop: false }`
[INFO] [stdout] a05241a97934a5b31f9d664e1b1e622efb3486e6fcd931f61ea0d95bda5c39fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fed32a07480f1e2d4b349c8c4bc5c09dbc9476e76a07473be4145a5e5c65470d
[INFO] running `Command { std: "docker" "start" "-a" "fed32a07480f1e2d4b349c8c4bc5c09dbc9476e76a07473be4145a5e5c65470d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hangeul v0.0.0 (/opt/rustwide/workdir/crates/hangeul)
[INFO] [stdout] warning: struct `ChoseongNodeEntryIterator` is never constructed
[INFO] [stdout]    --> crates/dictionary/src/language/korean/char_tree/char_node.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct ChoseongNodeEntryIterator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dictionary v0.1.0 (/opt/rustwide/workdir/crates/dictionary)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> crates/dictionary/src/language/korean/char_tree/char_node.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn iter_syllables(&self) -> ChoseongNodeSyllableIterator {
[INFO] [stdout]     |                           ^^^^^     ---------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn iter_syllables(&self) -> ChoseongNodeSyllableIterator<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/crates/client)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> crates/client/src/gui/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parser` is never used
[INFO] [stdout]   --> crates/client/src/parser/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Parser<T: Dictionary> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crates/client/src/gui/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct App {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 18 |     config: Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `App` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> crates/client/src/gui/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChoseongNodeEntryIterator` is never constructed
[INFO] [stdout]    --> crates/dictionary/src/language/korean/char_tree/char_node.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct ChoseongNodeEntryIterator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> crates/dictionary/src/language/korean/char_tree/char_node.rs:128:27
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn iter_syllables(&self) -> ChoseongNodeSyllableIterator {
[INFO] [stdout]     |                           ^^^^^     ---------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn iter_syllables(&self) -> ChoseongNodeSyllableIterator<'_> {
[INFO] [stdout]     |                                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Parser` is never used
[INFO] [stdout]   --> crates/client/src/parser/mod.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | trait Parser<T: Dictionary> {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> crates/client/src/gui/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct App {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 18 |     config: Config,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `App` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] running `Command { std: "docker" "inspect" "fed32a07480f1e2d4b349c8c4bc5c09dbc9476e76a07473be4145a5e5c65470d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed32a07480f1e2d4b349c8c4bc5c09dbc9476e76a07473be4145a5e5c65470d", kill_on_drop: false }`
[INFO] [stdout] fed32a07480f1e2d4b349c8c4bc5c09dbc9476e76a07473be4145a5e5c65470d