[INFO] cloning repository https://github.com/ctbur/async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctbur/async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctbur%2Fasync", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctbur%2Fasync'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0121ca53f21472d2fb39d3c8a7d6c75bc88532bf [INFO] testing ctbur/async against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctbur%2Fasync" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ctbur/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/ctbur/async [INFO] finished tweaking git repo https://github.com/ctbur/async [INFO] tweaked toml for git repo https://github.com/ctbur/async written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/ctbur/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] Downloading crates ... [INFO] [stderr] Downloaded structopt-derive v0.2.16 [INFO] [stderr] Downloaded structopt v0.2.16 [INFO] [stderr] Downloaded syn v0.15.36 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e8b7377d5d09efb9bcba70c41768122bfbb11d223ec5da95ae196b9cc9d1fa92 [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" "e8b7377d5d09efb9bcba70c41768122bfbb11d223ec5da95ae196b9cc9d1fa92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e8b7377d5d09efb9bcba70c41768122bfbb11d223ec5da95ae196b9cc9d1fa92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8b7377d5d09efb9bcba70c41768122bfbb11d223ec5da95ae196b9cc9d1fa92", kill_on_drop: false }` [INFO] [stdout] e8b7377d5d09efb9bcba70c41768122bfbb11d223ec5da95ae196b9cc9d1fa92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1690aef0edb7a239dfac0ec5b306da4fd6ac13bb1bfa4979781914a6c58a2289 [INFO] running `Command { std: "docker" "start" "-a" "1690aef0edb7a239dfac0ec5b306da4fd6ac13bb1bfa4979781914a6c58a2289", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.3.0 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling num_cpus v1.10.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling structopt-derive v0.2.16 [INFO] [stderr] Compiling env_logger v0.6.1 [INFO] [stderr] Compiling structopt v0.2.16 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Compiling async-cmd v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.30s [INFO] running `Command { std: "docker" "inspect" "1690aef0edb7a239dfac0ec5b306da4fd6ac13bb1bfa4979781914a6c58a2289", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1690aef0edb7a239dfac0ec5b306da4fd6ac13bb1bfa4979781914a6c58a2289", kill_on_drop: false }` [INFO] [stdout] 1690aef0edb7a239dfac0ec5b306da4fd6ac13bb1bfa4979781914a6c58a2289 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7ecfbac6887c1b1097fd72a0ba3a2c8a4d8418271b38dcca536b2d03640482fa [INFO] running `Command { std: "docker" "start" "-a" "7ecfbac6887c1b1097fd72a0ba3a2c8a4d8418271b38dcca536b2d03640482fa", kill_on_drop: false }` [INFO] [stderr] Compiling async-cmd v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `Command { std: "docker" "inspect" "7ecfbac6887c1b1097fd72a0ba3a2c8a4d8418271b38dcca536b2d03640482fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ecfbac6887c1b1097fd72a0ba3a2c8a4d8418271b38dcca536b2d03640482fa", kill_on_drop: false }` [INFO] [stdout] 7ecfbac6887c1b1097fd72a0ba3a2c8a4d8418271b38dcca536b2d03640482fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b51551e721932bad898bbfaaf87ee6ef6aa721cb1856c73b4dffbc97e1bf39b [INFO] running `Command { std: "docker" "start" "-a" "4b51551e721932bad898bbfaaf87ee6ef6aa721cb1856c73b4dffbc97e1bf39b", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/async-7984534f67f176f4) [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" "4b51551e721932bad898bbfaaf87ee6ef6aa721cb1856c73b4dffbc97e1bf39b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b51551e721932bad898bbfaaf87ee6ef6aa721cb1856c73b4dffbc97e1bf39b", kill_on_drop: false }` [INFO] [stdout] 4b51551e721932bad898bbfaaf87ee6ef6aa721cb1856c73b4dffbc97e1bf39b