[INFO] fetching crate niko-cli 0.1.8...
[INFO] checking niko-cli-0.1.8 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate niko-cli 0.1.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate niko-cli 0.1.8 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate niko-cli 0.1.8
[INFO] finished tweaking crates.io crate niko-cli 0.1.8
[INFO] tweaked toml for crates.io crate niko-cli 0.1.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate niko-cli 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.65
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[INFO] [stderr]   Downloaded libgit2-sys v0.12.9+1.0.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1912070cf1aeaaeff1a61d70a18ee5879f0752c7d49458b31655c4fbdae4a568
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1912070cf1aeaaeff1a61d70a18ee5879f0752c7d49458b31655c4fbdae4a568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1912070cf1aeaaeff1a61d70a18ee5879f0752c7d49458b31655c4fbdae4a568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1912070cf1aeaaeff1a61d70a18ee5879f0752c7d49458b31655c4fbdae4a568", kill_on_drop: false }`
[INFO] [stdout] 1912070cf1aeaaeff1a61d70a18ee5879f0752c7d49458b31655c4fbdae4a568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eda6c5115ad8d198c60c74b17c27fe4c1b2c461c2e099ed7b8c1b277badb9fdc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eda6c5115ad8d198c60c74b17c27fe4c1b2c461c2e099ed7b8c1b277badb9fdc", kill_on_drop: false }`
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[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-staticfile v0.5.3
[INFO] [stderr]     Checking niko-cli v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `watcher`
[INFO] [stdout]   --> src/main.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let watcher = watcher::create_watcher(&path, debounce).expect("could not initialize watcher");
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/watcher.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         DebouncedEvent::Rename(from, to) => {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/watcher.rs:49:54
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         DebouncedEvent::Rename(from, to) => {
[INFO] [stdout]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `watcher`
[INFO] [stdout]   --> src/main.rs:81:17
[INFO] [stdout]    |
[INFO] [stdout] 81 |             let watcher = watcher::create_watcher(&path, debounce).expect("could not initialize watcher");
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_watcher`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]   --> src/watcher.rs:49:48
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         DebouncedEvent::Rename(from, to) => {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]   --> src/watcher.rs:49:54
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         DebouncedEvent::Rename(from, to) => {
[INFO] [stdout]    |                                                      ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `watcher`
[INFO] [stdout]  --> src/watcher.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     watcher: RecommendedWatcher,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `watcher`
[INFO] [stdout]  --> src/watcher.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     watcher: RecommendedWatcher,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "eda6c5115ad8d198c60c74b17c27fe4c1b2c461c2e099ed7b8c1b277badb9fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda6c5115ad8d198c60c74b17c27fe4c1b2c461c2e099ed7b8c1b277badb9fdc", kill_on_drop: false }`
[INFO] [stdout] eda6c5115ad8d198c60c74b17c27fe4c1b2c461c2e099ed7b8c1b277badb9fdc