[INFO] cloning repository https://github.com/gwen-lg/kas-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwen-lg/kas-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwen-lg%2Fkas-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwen-lg%2Fkas-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49790e412ee7ceda7932497e180446d25d40885e
[INFO] checking gwen-lg/kas-experiments against 1.94.0 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwen-lg%2Fkas-experiments" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gwen-lg/kas-experiments
[INFO] finished tweaking git repo https://github.com/gwen-lg/kas-experiments
[INFO] tweaked toml for git repo https://github.com/gwen-lg/kas-experiments written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gwen-lg/kas-experiments on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gwen-lg/kas-experiments 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6fdd016b004afc83e0463e1e18ccde19dd5dd5427189fb1b677f37d822248a6
[INFO] running `Command { std: "docker" "start" "-a" "f6fdd016b004afc83e0463e1e18ccde19dd5dd5427189fb1b677f37d822248a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6fdd016b004afc83e0463e1e18ccde19dd5dd5427189fb1b677f37d822248a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6fdd016b004afc83e0463e1e18ccde19dd5dd5427189fb1b677f37d822248a6", kill_on_drop: false }`
[INFO] [stdout] f6fdd016b004afc83e0463e1e18ccde19dd5dd5427189fb1b677f37d822248a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8c8c7c75a2706149039c3f37590538dcf5fa2060127a10b64d8bd9cf660e98c
[INFO] running `Command { std: "docker" "start" "-a" "d8c8c7c75a2706149039c3f37590538dcf5fa2060127a10b64d8bd9cf660e98c", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/watch-file.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{path::Path, time::Duration};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/watch-file.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let (sender, mut receiver) = flume::bounded(1);
[INFO] [stdout]     |                  ----^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/watch-file.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{path::Path, time::Duration};
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileWatch` is never used
[INFO] [stdout]   --> src/watch-file.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum FileWatch {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `loading_text` and `loaded` are never read
[INFO] [stdout]   --> src/watch-file.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |     struct FileDisplay {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |         loading_text: Text<&'static str>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 32 |         //file: Calculator = Calculator::new(),
[INFO] [stdout] 33 |         loaded: bool = false,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileDisplay` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_file` is never used
[INFO] [stdout]   --> src/watch-file.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 35 |     impl FileDisplay {
[INFO] [stdout]    |     ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |         fn read_file(&self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/watch-file.rs:108:15
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let (sender, mut receiver) = flume::bounded(1);
[INFO] [stdout]     |                  ----^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileWatch` is never used
[INFO] [stdout]   --> src/watch-file.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum FileWatch {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `loading_text` and `loaded` are never read
[INFO] [stdout]   --> src/watch-file.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |     struct FileDisplay {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |         loading_text: Text<&'static str>,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 32 |         //file: Calculator = Calculator::new(),
[INFO] [stdout] 33 |         loaded: bool = false,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileDisplay` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read_file` is never used
[INFO] [stdout]   --> src/watch-file.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 35 |     impl FileDisplay {
[INFO] [stdout]    |     ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 50 |         fn read_file(&self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "d8c8c7c75a2706149039c3f37590538dcf5fa2060127a10b64d8bd9cf660e98c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c8c7c75a2706149039c3f37590538dcf5fa2060127a10b64d8bd9cf660e98c", kill_on_drop: false }`
[INFO] [stdout] d8c8c7c75a2706149039c3f37590538dcf5fa2060127a10b64d8bd9cf660e98c