[INFO] cloning repository https://github.com/Micutio/surviving_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Micutio/surviving_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicutio%2Fsurviving_async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicutio%2Fsurviving_async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b766989a1bbdfa1bc2173b65113b1159c44d39f4 [INFO] testing Micutio/surviving_async against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMicutio%2Fsurviving_async" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Micutio/surviving_async on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Micutio/surviving_async [INFO] finished tweaking git repo https://github.com/Micutio/surviving_async [INFO] tweaked toml for git repo https://github.com/Micutio/surviving_async written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/Micutio/surviving_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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 ... [INFO] [stderr] Downloaded vec-arena v0.5.2 [INFO] [stderr] Downloaded argh v0.1.3 [INFO] [stderr] Downloaded argh_derive v0.1.1 [INFO] [stderr] Downloaded fastrand v1.3.4 [INFO] [stderr] Downloaded async-mutex v1.1.5 [INFO] [stderr] Downloaded blocking v0.5.2 [INFO] [stderr] Downloaded color-spantrace v0.1.4 [INFO] [stderr] Downloaded eyre v0.6.0 [INFO] [stderr] Downloaded polling v0.1.5 [INFO] [stderr] Downloaded async-io v0.1.11 [INFO] [stderr] Downloaded async-std v1.6.3 [INFO] [stderr] Downloaded color-eyre v0.5.1 [INFO] [stderr] Downloaded argh_shared v0.1.1 [INFO] [stderr] Downloaded futures-lite v0.1.11 [INFO] [stderr] Downloaded event-listener v2.4.0 [INFO] [stderr] Downloaded async-channel v1.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1723db569b4a17b76b6f96efb5fdf1018157d8969bb292ba7462ff645d495043 [INFO] running `Command { std: "docker" "start" "-a" "1723db569b4a17b76b6f96efb5fdf1018157d8969bb292ba7462ff645d495043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1723db569b4a17b76b6f96efb5fdf1018157d8969bb292ba7462ff645d495043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1723db569b4a17b76b6f96efb5fdf1018157d8969bb292ba7462ff645d495043", kill_on_drop: false }` [INFO] [stdout] 1723db569b4a17b76b6f96efb5fdf1018157d8969bb292ba7462ff645d495043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8c15769c26d09a4c00de3d3ebd29756051170e01ffdecf880bbbacb7397c3cab [INFO] running `Command { std: "docker" "start" "-a" "8c15769c26d09a4c00de3d3ebd29756051170e01ffdecf880bbbacb7397c3cab", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling futures-io v0.3.15 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling once_cell v1.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling fastrand v1.3.4 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling futures-sink v0.3.15 [INFO] [stderr] Compiling event-listener v2.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling vec-arena v0.5.2 [INFO] [stderr] Compiling eyre v0.6.0 [INFO] [stderr] Compiling block-padding v0.2.1 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling indenter v0.3.0 [INFO] [stderr] Compiling argh_shared v0.1.1 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling keccak v0.1.0 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling tracing-core v0.1.14 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling sharded-slab v0.0.9 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling polling v0.1.5 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling async-mutex v1.1.5 [INFO] [stderr] Compiling async-channel v1.4.1 [INFO] [stderr] Compiling multitask v0.2.0 [INFO] [stderr] Compiling sha3 v0.9.1 [INFO] [stderr] Compiling tracing-subscriber v0.2.11 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling futures-lite v0.1.11 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling async-io v0.1.11 [INFO] [stderr] Compiling blocking v0.5.2 [INFO] [stderr] Compiling async-executor v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.11 [INFO] [stderr] Compiling async-attributes v1.1.1 [INFO] [stderr] Compiling argh_derive v0.1.1 [INFO] [stderr] Compiling async-std v1.6.3 [INFO] [stderr] Compiling argh v0.1.3 [INFO] [stderr] Compiling tracing v0.1.19 [INFO] [stderr] Compiling tracing-error v0.1.2 [INFO] [stderr] Compiling color-spantrace v0.1.4 [INFO] [stderr] Compiling color-eyre v0.5.1 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling surviving_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | cx: &mut Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | buf: &mut [u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | inner: R, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 38.47s [INFO] running `Command { std: "docker" "inspect" "8c15769c26d09a4c00de3d3ebd29756051170e01ffdecf880bbbacb7397c3cab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8c15769c26d09a4c00de3d3ebd29756051170e01ffdecf880bbbacb7397c3cab", kill_on_drop: false }` [INFO] [stdout] 8c15769c26d09a4c00de3d3ebd29756051170e01ffdecf880bbbacb7397c3cab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a771ef553b00509c9411fe1047b765ca04e282bec24181ef7e36a9a5d037cd69 [INFO] running `Command { std: "docker" "start" "-a" "a771ef553b00509c9411fe1047b765ca04e282bec24181ef7e36a9a5d037cd69", kill_on_drop: false }` [INFO] [stderr] Compiling surviving_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cx` [INFO] [stdout] --> src/main.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | cx: &mut Context<'_>, [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buf` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | buf: &mut [u8], [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `inner` [INFO] [stdout] --> src/main.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | inner: R, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "a771ef553b00509c9411fe1047b765ca04e282bec24181ef7e36a9a5d037cd69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a771ef553b00509c9411fe1047b765ca04e282bec24181ef7e36a9a5d037cd69", kill_on_drop: false }` [INFO] [stdout] a771ef553b00509c9411fe1047b765ca04e282bec24181ef7e36a9a5d037cd69 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8fd524c057d8fd2a0f37e241a38fac18925194f8de2a542d64675d1513f3bbef [INFO] running `Command { std: "docker" "start" "-a" "8fd524c057d8fd2a0f37e241a38fac18925194f8de2a542d64675d1513f3bbef", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `cx` [INFO] [stderr] --> src/main.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | cx: &mut Context<'_>, [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_cx` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `buf` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | buf: &mut [u8], [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_buf` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `inner` [INFO] [stderr] --> src/main.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | inner: R, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/surviving_async-b3ec15ae9c9177b2) [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" "8fd524c057d8fd2a0f37e241a38fac18925194f8de2a542d64675d1513f3bbef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fd524c057d8fd2a0f37e241a38fac18925194f8de2a542d64675d1513f3bbef", kill_on_drop: false }` [INFO] [stdout] 8fd524c057d8fd2a0f37e241a38fac18925194f8de2a542d64675d1513f3bbef