[INFO] fetching crate fs-lock 0.1.11...
[INFO] testing fs-lock-0.1.11 against 1.90.0 for beta-1.91-3
[INFO] extracting crate fs-lock 0.1.11 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate fs-lock 0.1.11
[INFO] finished tweaking crates.io crate fs-lock 0.1.11
[INFO] tweaked toml for crates.io crate fs-lock 0.1.11 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fs-lock 0.1.11 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fs-lock 0.1.11 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84a1a5c6f27b259c573191987e0caa278a5d6da34fb386b7d6b985eae16c09cb
[INFO] running `Command { std: "docker" "start" "-a" "84a1a5c6f27b259c573191987e0caa278a5d6da34fb386b7d6b985eae16c09cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a1a5c6f27b259c573191987e0caa278a5d6da34fb386b7d6b985eae16c09cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a1a5c6f27b259c573191987e0caa278a5d6da34fb386b7d6b985eae16c09cb", kill_on_drop: false }`
[INFO] [stdout] 84a1a5c6f27b259c573191987e0caa278a5d6da34fb386b7d6b985eae16c09cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4907e2ccfde1470fd0256f3d8c42c7c010afcfa1db920ce51a05b4c351cc0349
[INFO] running `Command { std: "docker" "start" "-a" "4907e2ccfde1470fd0256f3d8c42c7c010afcfa1db920ce51a05b4c351cc0349", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs-lock v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "4907e2ccfde1470fd0256f3d8c42c7c010afcfa1db920ce51a05b4c351cc0349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4907e2ccfde1470fd0256f3d8c42c7c010afcfa1db920ce51a05b4c351cc0349", kill_on_drop: false }`
[INFO] [stdout] 4907e2ccfde1470fd0256f3d8c42c7c010afcfa1db920ce51a05b4c351cc0349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c95aa1756d8706eac2edf38b535dbc633a247d2e26294fc5818c23497b2fa3ed
[INFO] running `Command { std: "docker" "start" "-a" "c95aa1756d8706eac2edf38b535dbc633a247d2e26294fc5818c23497b2fa3ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs-lock v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/lib.rs:76:36
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:76:26
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stdout]    |                          ----^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "c95aa1756d8706eac2edf38b535dbc633a247d2e26294fc5818c23497b2fa3ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95aa1756d8706eac2edf38b535dbc633a247d2e26294fc5818c23497b2fa3ed", kill_on_drop: false }`
[INFO] [stdout] c95aa1756d8706eac2edf38b535dbc633a247d2e26294fc5818c23497b2fa3ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95e56d6ba8219dbc68bd047a766aa2b486fbb4e6001dd8a69ce56e9a2157acbf
[INFO] running `Command { std: "docker" "start" "-a" "95e56d6ba8219dbc68bd047a766aa2b486fbb4e6001dd8a69ce56e9a2157acbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/lib.rs:76:36
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:76:26
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn set_file_path(mut self, path: impl Into<Box<Path>>) -> Self {
[INFO] [stderr]    |                          ----^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fs-lock` (lib) generated 2 warnings (run `cargo fix --lib -p fs-lock` to apply 1 suggestion)
[INFO] [stderr] warning: `fs-lock` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fs_lock-25e09a2a6a278940)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fs_lock
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95e56d6ba8219dbc68bd047a766aa2b486fbb4e6001dd8a69ce56e9a2157acbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e56d6ba8219dbc68bd047a766aa2b486fbb4e6001dd8a69ce56e9a2157acbf", kill_on_drop: false }`
[INFO] [stdout] 95e56d6ba8219dbc68bd047a766aa2b486fbb4e6001dd8a69ce56e9a2157acbf