[INFO] cloning repository https://github.com/rust-lang-ve/notesmd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-lang-ve/notesmd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ve%2Fnotesmd", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e79fffd46f75d1d1ee42022e2d78e5411c6b245
[INFO] building rust-lang-ve/notesmd against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ve%2Fnotesmd" "/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/rust-lang-ve/notesmd 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/rust-lang-ve/notesmd
[INFO] finished tweaking git repo https://github.com/rust-lang-ve/notesmd
[INFO] tweaked toml for git repo https://github.com/rust-lang-ve/notesmd written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-lang-ve/notesmd 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] 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=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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d269f6ff3e45c74e053ea66d6b8d89e191036fc0862d8eeb8ca3a54c89f862ae
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[INFO] [stderr]    Compiling libc v0.2.74
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[INFO] [stderr]    Compiling pin-project-internal v0.4.23
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[INFO] [stderr]    Compiling memchr v2.3.3
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[INFO] [stderr]    Compiling system-deps v1.3.2
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[INFO] [stderr]    Compiling glib v0.10.1
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling notesmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::core::NotesMD`
[INFO] [stdout]  --> src/layout/view/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::core::NotesMD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sheets` and `receiver` are never read
[INFO] [stdout]  --> src/core/notesmd.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NotesMD {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     pub sheets: Vec<Sheet>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub receiver: Receiver<String>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `new_sheet` and `receive` are never used
[INFO] [stdout]   --> src/core/notesmd.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl NotesMD {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new_sheet(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn receive(&self) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw_value` is never read
[INFO] [stdout]  --> src/core/sheet.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Sheet {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     pub raw_value: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]   --> src/core/sheet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Sheet {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 16 |     pub fn write(&mut self, next_text: String) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/core/notesmd.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         for msg in self.receiver.try_recv() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for msg in self.receiver.try_recv() {
[INFO] [stdout] 54 +         while let Ok(msg) = self.receiver.try_recv() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for msg in self.receiver.try_recv() {
[INFO] [stdout] 54 +         if let Ok(msg) = self.receiver.try_recv() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "d269f6ff3e45c74e053ea66d6b8d89e191036fc0862d8eeb8ca3a54c89f862ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d269f6ff3e45c74e053ea66d6b8d89e191036fc0862d8eeb8ca3a54c89f862ae", kill_on_drop: false }`
[INFO] [stdout] d269f6ff3e45c74e053ea66d6b8d89e191036fc0862d8eeb8ca3a54c89f862ae
[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=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] af7af6b390d5c2013cdeb70041ee84e76546fa32f228d51c73965c7797a7cabb
[INFO] running `Command { std: "docker" "start" "-a" "af7af6b390d5c2013cdeb70041ee84e76546fa32f228d51c73965c7797a7cabb", kill_on_drop: false }`
[INFO] [stderr]    Compiling notesmd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::core::NotesMD`
[INFO] [stdout]  --> src/layout/view/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::core::NotesMD;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sheets` and `receiver` are never read
[INFO] [stdout]  --> src/core/notesmd.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct NotesMD {
[INFO] [stdout]   |            ------- fields in this struct
[INFO] [stdout] 5 |     pub sheets: Vec<Sheet>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout] 6 |     pub receiver: Receiver<String>,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `new_sheet` and `receive` are never used
[INFO] [stdout]   --> src/core/notesmd.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl NotesMD {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn new_sheet(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn receive(&self) -> Option<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `raw_value` is never read
[INFO] [stdout]  --> src/core/sheet.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Sheet {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     pub raw_value: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write` is never used
[INFO] [stdout]   --> src/core/sheet.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Sheet {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 16 |     pub fn write(&mut self, next_text: String) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `Result`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/core/notesmd.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         for msg in self.receiver.try_recv() {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for msg in self.receiver.try_recv() {
[INFO] [stdout] 54 +         while let Ok(msg) = self.receiver.try_recv() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 54 -         for msg in self.receiver.try_recv() {
[INFO] [stdout] 54 +         if let Ok(msg) = self.receiver.try_recv() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "af7af6b390d5c2013cdeb70041ee84e76546fa32f228d51c73965c7797a7cabb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7af6b390d5c2013cdeb70041ee84e76546fa32f228d51c73965c7797a7cabb", kill_on_drop: false }`
[INFO] [stdout] af7af6b390d5c2013cdeb70041ee84e76546fa32f228d51c73965c7797a7cabb