[INFO] fetching crate io-reactor 0.2.1...
[INFO] checking io-reactor-0.2.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate io-reactor 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate io-reactor 0.2.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate io-reactor 0.2.1
[INFO] finished tweaking crates.io crate io-reactor 0.2.1
[INFO] tweaked toml for crates.io crate io-reactor 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.7.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.5)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded popol v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a96fb9c0f671f47352b4266682bd06e2b6ecd888491f67565de77bbacfe8b68
[INFO] running `Command { std: "docker" "start" "-a" "0a96fb9c0f671f47352b4266682bd06e2b6ecd888491f67565de77bbacfe8b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a96fb9c0f671f47352b4266682bd06e2b6ecd888491f67565de77bbacfe8b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a96fb9c0f671f47352b4266682bd06e2b6ecd888491f67565de77bbacfe8b68", kill_on_drop: false }`
[INFO] [stdout] 0a96fb9c0f671f47352b4266682bd06e2b6ecd888491f67565de77bbacfe8b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a55166d405b96a0da75e920464846c8e0200cf285994e8352a40cf17c7d5b77
[INFO] running `Command { std: "docker" "start" "-a" "8a55166d405b96a0da75e920464846c8e0200cf285994e8352a40cf17c7d5b77", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking amplify_num v0.5.2
[INFO] [stderr]     Checking popol v3.0.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling amplify_syn v2.0.1
[INFO] [stderr]    Compiling amplify_derive v4.0.0
[INFO] [stderr]     Checking amplify v4.6.0
[INFO] [stderr]     Checking io-reactor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: attribute value must be a literal
[INFO] [stdout]    --> src/resource.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |     #[doc = hidden]
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute value must be a literal
[INFO] [stdout]    --> src/resource.rs:127:13
[INFO] [stdout]     |
[INFO] [stdout] 127 |     #[doc = hidden]
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/reactor.rs:531:46
[INFO] [stdout]     |
[INFO] [stdout] 531 |                     Err(IoFail::Connectivity(flags)) => {
[INFO] [stdout]     |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/reactor.rs:539:36
[INFO] [stdout]     |
[INFO] [stdout] 539 |                     Err(IoFail::Os(flags)) => {
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `posix_events`
[INFO] [stdout]    --> src/reactor.rs:558:46
[INFO] [stdout]     |
[INFO] [stdout] 558 |                     Err(IoFail::Connectivity(posix_events)) => {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_posix_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `posix_events`
[INFO] [stdout]    --> src/reactor.rs:566:36
[INFO] [stdout]     |
[INFO] [stdout] 566 |                     Err(IoFail::Os(posix_events)) => {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_posix_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/reactor.rs:671:40
[INFO] [stdout]     |
[INFO] [stdout] 671 |                     Err(WriteError::Io(e)) => {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/reactor.rs:531:46
[INFO] [stdout]     |
[INFO] [stdout] 531 |                     Err(IoFail::Connectivity(flags)) => {
[INFO] [stdout]     |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]    --> src/reactor.rs:539:36
[INFO] [stdout]     |
[INFO] [stdout] 539 |                     Err(IoFail::Os(flags)) => {
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `posix_events`
[INFO] [stdout]    --> src/reactor.rs:558:46
[INFO] [stdout]     |
[INFO] [stdout] 558 |                     Err(IoFail::Connectivity(posix_events)) => {
[INFO] [stdout]     |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_posix_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `posix_events`
[INFO] [stdout]    --> src/reactor.rs:566:36
[INFO] [stdout]     |
[INFO] [stdout] 566 |                     Err(IoFail::Os(posix_events)) => {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_posix_events`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/reactor.rs:671:40
[INFO] [stdout]     |
[INFO] [stdout] 671 |                     Err(WriteError::Io(e)) => {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io-reactor` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io-reactor` (lib test) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8a55166d405b96a0da75e920464846c8e0200cf285994e8352a40cf17c7d5b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a55166d405b96a0da75e920464846c8e0200cf285994e8352a40cf17c7d5b77", kill_on_drop: false }`
[INFO] [stdout] 8a55166d405b96a0da75e920464846c8e0200cf285994e8352a40cf17c7d5b77
