[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ve%2Fnotesmd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e79fffd46f75d1d1ee42022e2d78e5411c6b245
[INFO] checking rust-lang-ve/notesmd against master#f4d794ea0b845413344621d89f6c945062748485 for pr-119369
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ve%2Fnotesmd" "/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/rust-lang-ve/notesmd on toolchain f4d794ea0b845413344621d89f6c945062748485
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4d794ea0b845413344621d89f6c945062748485" "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-7-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" "+f4d794ea0b845413344621d89f6c945062748485" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking rust-lang-ve/notesmd against try#3832a95f57d4260fb5641e183906f49b4e5c6bdd for pr-119369
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ve%2Fnotesmd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-ve/notesmd on toolchain 3832a95f57d4260fb5641e183906f49b4e5c6bdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "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-7-tc2/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" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking rust-lang-ve/notesmd against try#3832a95f57d4260fb5641e183906f49b4e5c6bdd for pr-119369
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-lang-ve%2Fnotesmd" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-lang-ve/notesmd on toolchain 3832a95f57d4260fb5641e183906f49b4e5c6bdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "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-7-tc2/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" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glib-sys v0.10.0
[INFO] [stderr]   Downloaded gdk v0.13.1
[INFO] [stderr]   Downloaded gio-sys v0.10.0
[INFO] [stderr]   Downloaded glib v0.10.1
[INFO] [stderr]   Downloaded gtk v0.9.1
[INFO] [stderr]   Downloaded gio v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4bd1d1cdc7303d85aa2f9c72b6b4188ed19fe0c2dd7a75f42c0e46b8aa4995e
[INFO] running `Command { std: "docker" "start" "-a" "d4bd1d1cdc7303d85aa2f9c72b6b4188ed19fe0c2dd7a75f42c0e46b8aa4995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bd1d1cdc7303d85aa2f9c72b6b4188ed19fe0c2dd7a75f42c0e46b8aa4995e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bd1d1cdc7303d85aa2f9c72b6b4188ed19fe0c2dd7a75f42c0e46b8aa4995e", kill_on_drop: false }`
[INFO] [stdout] d4bd1d1cdc7303d85aa2f9c72b6b4188ed19fe0c2dd7a75f42c0e46b8aa4995e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 474fcc9a05b454a7ad86327ce47d872e2bac1572535b0da688276a038a6e7d03
[INFO] running `Command { std: "docker" "start" "-a" "474fcc9a05b454a7ad86327ce47d872e2bac1572535b0da688276a038a6e7d03", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling gio v0.9.0
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.9.0
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atk v0.9.0
[INFO] [stderr]    Compiling gdk v0.13.1
[INFO] [stderr]    Compiling gtk v0.9.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling glib-macros v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling system-deps v1.3.2
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling glib-sys v0.10.0
[INFO] [stderr]    Compiling gobject-sys v0.10.0
[INFO] [stderr]    Compiling gio-sys v0.10.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.10.0
[INFO] [stderr]    Compiling pango-sys v0.10.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.10.0
[INFO] [stderr]    Compiling gdk-sys v0.10.0
[INFO] [stderr]    Compiling atk-sys v0.10.0
[INFO] [stderr]    Compiling gtk-sys v0.10.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking 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: 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: 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]    = note: `#[warn(dead_code)]` on by default
[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: 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]    = note: `#[warn(dead_code)]` on by default
[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 |         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 |         if let Ok(msg) = self.receiver.try_recv() {
[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 |         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 |         if let Ok(msg) = self.receiver.try_recv() {
[INFO] [stdout]    |         ~~~~~~~~~~   ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.97s
[INFO] running `Command { std: "docker" "inspect" "474fcc9a05b454a7ad86327ce47d872e2bac1572535b0da688276a038a6e7d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474fcc9a05b454a7ad86327ce47d872e2bac1572535b0da688276a038a6e7d03", kill_on_drop: false }`
[INFO] [stdout] 474fcc9a05b454a7ad86327ce47d872e2bac1572535b0da688276a038a6e7d03