[INFO] fetching crate polyfuse-tokio 0.2.3...
[INFO] testing polyfuse-tokio-0.2.3 against 1.60.0 for beta-1.61-1
[INFO] extracting crate polyfuse-tokio 0.2.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate polyfuse-tokio 0.2.3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyfuse-tokio 0.2.3
[INFO] finished tweaking crates.io crate polyfuse-tokio 0.2.3
[INFO] tweaked toml for crates.io crate polyfuse-tokio 0.2.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polyfuse v0.3.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.4.1
[INFO] [stderr]   Downloaded semver-parser v0.9.0
[INFO] [stderr]   Downloaded version-sync v0.8.1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63eb834256022fab5b0a91eb92d2f85cd9638da28518feffa421b2d47073c39
[INFO] running `Command { std: "docker" "start" "-a" "a63eb834256022fab5b0a91eb92d2f85cd9638da28518feffa421b2d47073c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63eb834256022fab5b0a91eb92d2f85cd9638da28518feffa421b2d47073c39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63eb834256022fab5b0a91eb92d2f85cd9638da28518feffa421b2d47073c39", kill_on_drop: false }`
[INFO] [stdout] a63eb834256022fab5b0a91eb92d2f85cd9638da28518feffa421b2d47073c39
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c246688ff5c65f58dc9bbd059c96deb728c0ffd326e32304e5cff333e10e6b85
[INFO] running `Command { std: "docker" "start" "-a" "c246688ff5c65f58dc9bbd059c96deb728c0ffd326e32304e5cff333e10e6b85", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling polyfuse v0.3.3
[INFO] [stderr]    Compiling polyfuse-tokio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `bufsize`
[INFO] [stdout]   --> src/pool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     bufsize: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Pool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/pool.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]    --> src/pool.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     key: Key,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `EntryInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/pool.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.10s
[INFO] running `Command { std: "docker" "inspect" "c246688ff5c65f58dc9bbd059c96deb728c0ffd326e32304e5cff333e10e6b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c246688ff5c65f58dc9bbd059c96deb728c0ffd326e32304e5cff333e10e6b85", kill_on_drop: false }`
[INFO] [stdout] c246688ff5c65f58dc9bbd059c96deb728c0ffd326e32304e5cff333e10e6b85
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d5fbfd1701104036e625c4ba903ca16d685f4312611fa59e9fe01a0051da2c
[INFO] running `Command { std: "docker" "start" "-a" "57d5fbfd1701104036e625c4ba903ca16d685f4312611fa59e9fe01a0051da2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stdout] warning: field is never read: `bufsize`
[INFO] [stdout]   --> src/pool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     bufsize: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Pool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/pool.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]    --> src/pool.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     key: Key,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `EntryInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/pool.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling version-sync v0.8.1
[INFO] [stderr]    Compiling polyfuse-tokio v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `bufsize`
[INFO] [stdout]   --> src/pool.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     bufsize: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stdout] note: `Pool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/pool.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]    --> src/pool.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     key: Key,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `EntryInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/pool.rs:114:10
[INFO] [stdout]     |
[INFO] [stdout] 114 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "57d5fbfd1701104036e625c4ba903ca16d685f4312611fa59e9fe01a0051da2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d5fbfd1701104036e625c4ba903ca16d685f4312611fa59e9fe01a0051da2c", kill_on_drop: false }`
[INFO] [stdout] 57d5fbfd1701104036e625c4ba903ca16d685f4312611fa59e9fe01a0051da2c
[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=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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 92da761ca1b3529ac73fee3fc3e2bec19eb67f91fbcb275f3f8da2c61b3ce74e
[INFO] running `Command { std: "docker" "start" "-a" "92da761ca1b3529ac73fee3fc3e2bec19eb67f91fbcb275f3f8da2c61b3ce74e", 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] warning: field is never read: `bufsize`
[INFO] [stdout] 
[INFO] [stderr]   --> src/pool.rs:15:5
[INFO] [stdout] running 1 test
[INFO] [stderr]    |
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stderr] 15 |     bufsize: usize,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Pool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/pool.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]    --> src/pool.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     key: Key,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `EntryInner` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/pool.rs:114:10
[INFO] [stderr]     |
[INFO] [stderr] 114 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bufsize`
[INFO] [stderr]   --> src/pool.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     bufsize: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(dead_code)]` implied by `#[warn(warnings)]`
[INFO] [stderr] note: `Pool` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/pool.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `polyfuse-tokio` (lib) generated 2 warnings
[INFO] [stderr] warning: `polyfuse-tokio` (lib test) generated 2 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyfuse_tokio-41aecf03f9234a90)
[INFO] [stderr]    Doc-tests polyfuse-tokio
[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" "92da761ca1b3529ac73fee3fc3e2bec19eb67f91fbcb275f3f8da2c61b3ce74e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92da761ca1b3529ac73fee3fc3e2bec19eb67f91fbcb275f3f8da2c61b3ce74e", kill_on_drop: false }`
[INFO] [stdout] 92da761ca1b3529ac73fee3fc3e2bec19eb67f91fbcb275f3f8da2c61b3ce74e